{"id":221586,"date":"2025-12-30T22:21:18","date_gmt":"2025-12-30T22:21:18","guid":{"rendered":"https:\/\/www.solinst.com\/410-peristaltic-pump-instructions\/peristaltic-pump-head-replacement-model-410-mk4-mk3\/"},"modified":"2026-05-07T21:36:09","modified_gmt":"2026-05-07T21:36:09","slug":"peristaltic-pump-head-replacement-model-410-mk4-mk3","status":"publish","type":"page","link":"https:\/\/www.solinst.com\/en-gb\/products\/groundwater-samplers\/410-peristaltic-pumps\/410-peristaltic-pump-instructions\/peristaltic-pump-head-replacement-model-410-mk4-mk3\/","title":{"rendered":"Peristaltic Pump Head Replacement Model 410 Mk4\/Mk3"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;H1 and breadcrumbs&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;792ca5bd-0808-46bd-9ce7-3bcb8e74f4d3&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;4b28f470-0d73-4e9d-b92d-e6f41f2cea24&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_font=&#8221;|700|||||||&#8221; header_font_size=&#8221;36px&#8221; custom_margin=&#8221;||5px|||&#8221; header_text_align_tablet=&#8221;&#8221; header_text_align_phone=&#8221;&#8221; header_text_align_last_edited=&#8221;on|desktop&#8221; header_font_size_tablet=&#8221;30px&#8221; header_font_size_phone=&#8221;26px&#8221; header_font_size_last_edited=&#8221;on|phone&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h1 role=\"heading\" aria-level=\"2\" data-uw-rm-heading=\"level\">Peristaltic Pump Head Replacement Model 410 Mk4\/Mk3<\/h1>\n<p>[\/et_pb_text][dsm_breadcrumbs disabled_on=&#8221;on|off|off&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; home_icon_text_color=&#8221;#d6d6d6&#8243; global_colors_info=&#8221;{}&#8221;][\/dsm_breadcrumbs][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;Mobile-Only Nav with Offset&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;4759a92f-4b27-4854-bb2c-299854634e93&#8243; global_module=&#8221;120567&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; width=&#8221;90%&#8221; custom_margin=&#8221;0px||||false|false&#8221; custom_padding=&#8221;0px||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_code admin_label=&#8221;410 Peristaltic Pumps Mobile Nav &#8211; Select Dropdown&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_css_free_form=&#8221;select {||||      font-size: 1em; \/* Adjust font size *\/||      padding: 10px;   \/* Optional: Increase padding for better spacing *\/||      width: 100%;||      box-sizing: border-box;\/* Optional: Adjust width to fit the container *\/||      height: 50px;||}||||    \/* Style for dropdown options (fallback if needed) *\/||select option {||      font-size: 1.2em; \/* Ensures option text matches select styling *\/||      width: 100%;||    }&#8221; global_colors_info=&#8221;{}&#8221;]<select name=\"dropdown\" onchange=\"location = this.value;\"><!-- [et_pb_line_break_holder] --><option value=\"\">410 Peristaltic Pumps Menu<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/\">Peristaltic Pumps Main Page<\/option><!-- [et_pb_line_break_holder] -->  <!-- [et_pb_line_break_holder] --><option 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value=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-mk5-peristaltic-pump-operating-ins-117865\/410-mk5-operating-ins-117865.pdf\">-Mk5 Peristaltic Pump Operating Instructions (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/groundwater-samplers\/410-peristaltic-pumps\/peristaltic-pump-instructions\/410-mk4-peristatlic-pump-operating-instructions\/\">-Mk4 Peristaltic Pump Operating Instructions<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/peristaltic-pump\/410-instructions.pdf\">&#8211;Download (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/groundwater-samplers\/410-peristaltic-pumps\/peristaltic-pump-instructions\/pump-head-replacement-410-mk4\/\">-Mk4\/Mk3 Pump Head Replacement<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-head-replacement-113953\/410-113953.pdf\">&#8211;Download (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/groundwater-samplers\/410-peristaltic-pumps\/peristaltic-pump-instructions\/potentiometer-replacement-410-mk4\/\">-Mk4 Potentiometer Replacement<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-potentiometer-replacement-109903\/410-potentiometer-replacement.pdf\">&#8211;Download (PDF)<\/option><!-- 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value=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-motor-replacement-114332\/410-motor-replacement.pdf\">&#8211;Download (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/groundwater-samplers\/410-peristaltic-pumps\/peristaltic-pump-instructions\/peristaltic-pump-motor-gear-inspection-and-lubrication\/\">-Mk4 Motor Gear Inspection and Lubrication<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-gear-inspection-lubrication\/410-gear-inspection-lubrication.pdf\">&#8211;Download (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/groundwater-samplers\/410-peristaltic-pumps\/peristaltic-pump-instructions\/410-battery-clip-replacement\/\">-Battery Clip Replacement<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-clip-replacement-111799\/410-battery-clip-replacement-111799.pdf\">&#8211;Download (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/groundwater-samplers\/410-peristaltic-pumps\/peristaltic-pump-instructions\/peristaltic-pump-12v-battery-holder-instructions\/\">-12V Battery Holder<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-12v-battery-holder-114675\/410-12v-battery-holder-114675.pdf\">&#8211;Download (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/data\/groundwater-samplers.pdf\">-Solinst Groundwater Samplers (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/groundwater-samplers\/410-peristaltic-pumps\/peristaltic-pump-instructions\/potentiometer-replacement-410-mk3\/\">-Mk3 Potentiometer Replacement<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-potentiometer-replacement-109903\/410-mk3-potentiometer-replacement.pdf\">&#8211;Download (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/groundwater-samplers\/410-peristaltic-pumps\/peristaltic-pump-instructions\/fuse-holder-replacement-model-410-mkiii\/\">-Mk3 Fuse Holder Assembly Replacement<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-fuse-holder-assembly-replacement-110734\/410-peristaltic-pump-fuse-holder-assembly-replacement.pdf\">&#8211;Download (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/groundwater-samplers\/410-peristaltic-pumps\/peristaltic-pump-instructions\/power-cable-assembly-replacement-410-mk3\/\">-Mk3 Power Cable Assembly Replacement<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-power-cable-assembly-replacement-110793\/410-peristaltic-pump-power-cable-assembly-replacement.pdf\">&#8211;Download (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/groundwater-samplers\/410-peristaltic-pumps\/peristaltic-pump-instructions\/410-mk3-control-board-replacement\/\">-Mk3 Control Board Replacement<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-control-board-replacement-109708\/410-mk3-peristaltic-pump-control-board-replacement.pdf\">&#8211;Download (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/groundwater-samplers\/410-peristaltic-pumps\/peristaltic-pump-instructions\/strain-relief-replacement-410-mk3\/\">-Mk3 Strain Relief Replacement<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-strain-relief-replacement\/410-strain-relief-replacement-112243.pdf\">&#8211;Download (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><\/select>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; specialty=&#8221;on&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;5a5bca26-a9a5-4e6c-8fca-d64da3bdcd40&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_menu menu_id=&#8221;402&#8243; admin_label=&#8221;410 Peristaltic Pumps Main Nav&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;242faa89-ac4f-4e46-90fe-505e8c1eab79&#8243; global_module=&#8221;120318&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_menu][et_pb_slider disabled_on=&#8221;on|on|off&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; display_conditions=&#8221;W10=&#8221; link_option_url=&#8221;https:\/\/downloads.solinst.com\/free-shipping?utm_source=solinst&#038;utm_medium=WC-global-sidebar-position1&#038;utm_campaign=free-shipping&#8221; global_module=&#8221;53188&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_slide button_text=&#8221;Advantages of Using Water Flute&#8221; button_link=&#8221;https:\/\/www.solinst.com\/en-gb\/solinst-flute\/405-water-flute\/?utm_source=solinst&amp;utm_medium=WC-global-sidebar-position1&amp;utm_campaign=405-water-flute&#8221; use_bg_overlay=&#8221;on&#8221; bg_overlay_color=&#8221;rgba(224,97,0,0.58)&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#F07C00&#8243; background_enable_color=&#8221;on&#8221; background_image=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2024\/12\/405-water-flute-multilevel-groundwater-system-installation.webp&#8221; background_enable_image=&#8221;on&#8221; background_position=&#8221;top_center&#8221; custom_button=&#8221;on&#8221; button_bg_color=&#8221;#f58025&#8243; button_border_width=&#8221;2px&#8221; button_border_radius=&#8221;20px&#8221; button_font=&#8221;|600|||||||&#8221; background_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221; sticky_transition=&#8221;on&#8221;]<\/p>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<p>&nbsp;<\/p>\n<h2>Depth Discrete Groundwater Monitoring<\/h2>\n<p><b>Reduce Costs and Field Time<\/b><\/p>\n<p>[\/et_pb_slide][\/et_pb_slider][et_pb_slider disabled_on=&#8221;on|on|on&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; link_option_url=&#8221;https:\/\/connect.spohr-messtechnik.de\/spohr-10-percent-off?utm_source=solinst&#038;utm_medium=WC-global-sidebar-position2&#038;utm_campaign=spohr-lw-wlm&#8221; disabled=&#8221;on&#8221; global_module=&#8221;53561&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_slide heading=&#8221;Spohr Low Cost Water Level Meters&#8221; button_text=&#8221;10% OFF&#8221; button_link=&#8221;https:\/\/connect.spohr-messtechnik.de\/spohr-10-percent-off?utm_source=solinst&amp;utm_medium=WC-global-sidebar-position2&amp;utm_campaign=spohr-lw-wlm&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_text_color=&#8221;#000000&#8243; background_color=&#8221;RGBA(255,255,255,0)&#8221; background_enable_color=&#8221;on&#8221; background_image=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/11\/spohr-lightweight-water-level-meter-10off-965&#215;500-1.webp&#8221; background_enable_image=&#8221;on&#8221; background_size=&#8221;contain&#8221; custom_button=&#8221;on&#8221; button_bg_color=&#8221;#f58025&#8243; button_border_width=&#8221;2px&#8221; button_border_radius=&#8221;20px&#8221; button_font=&#8221;|600|||||||&#8221; header_text_shadow_style=&#8221;preset3&#8243; global_colors_info=&#8221;{}&#8221; sticky_transition=&#8221;on&#8221;]<\/p>\n<h2\/>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_slide][\/et_pb_slider][\/et_pb_column][et_pb_column type=&#8221;3_4&#8243; specialty_columns=&#8221;3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_row_inner _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3d68e16c-1ed2-447f-b17f-a63c20af3cf6&#8243; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner saved_specialty_column_type=&#8221;3_4&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][dsm_icon_list icon_font_size=&#8221;30px&#8221; list_alignment=&#8221;flex-end&#8221; text_indent=&#8221;10px&#8221; list_alignment_tablet=&#8221;flex-end&#8221; list_alignment_phone=&#8221;flex-start&#8221; list_alignment_last_edited=&#8221;on|desktop&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|600|||||||&#8221; link_option_url_new_window=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;][dsm_icon_list_child text=&#8221;410 Mk4\/Mk3 Pump Head Replacement PDF&#8221; font_icon=&#8221;&#xf1c1;||fa||900&#8243; icon_color=&#8221;#ff8500&#8243; url=&#8221;https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-head-replacement-113953\/410-113953.pdf&#8221; url_new_window=&#8221;on&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; icon_color__hover_enabled=&#8221;on|hover&#8221; icon_color__hover=&#8221;#828282&#8243; text_text_color__hover_enabled=&#8221;on|hover&#8221; text_text_color__hover=&#8221;#7a7a7a&#8221;][\/dsm_icon_list_child][\/dsm_icon_list][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner saved_specialty_column_type=&#8221;3_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; hover_enabled=&#8221;0&#8243; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;rgba(0,0,0,0.23)&#8221; global_colors_info=&#8221;{}&#8221; _module_preset=&#8221;e910b435-fe18-45d2-b351-bda808b1a267&#8243; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p><strong>Note:<\/strong><br \/>See section below for instructions to install the pump head on an Mk3 Peristaltic Pump.<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; hover_enabled=&#8221;0&#8243; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;rgba(0,0,0,0.23)&#8221; global_colors_info=&#8221;{}&#8221; _module_preset=&#8221;e910b435-fe18-45d2-b351-bda808b1a267&#8243; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h2><strong>Tools and Materials Needed<\/strong><\/h2>\n<ol>\n<li>Replacement Mk4 <a href=\"..\/..\/index.php\" title=\"Solinst Peristaltic Pumps\">410 Peristaltic Pump<\/a> Head Assembly (#113949)<\/li>\n<li>9\/64&#8243; (3.60 mm) Allen Key<\/li>\n<li>11\/32&#8243; (8.70 mm) Nut Driver<\/li>\n<li>Phillips Screwdriver<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/12\/410-pump-head-assembly.jpg\" width=\"1000\" height=\"458\" alt=\"Solinst 410 peristaltic pump head replacement parts for Mk4 version\" class=\"wp-image-148304 alignnone size-full\" srcset=\"https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/12\/410-pump-head-assembly.jpg 1000w, https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/12\/410-pump-head-assembly-980x449.jpg 980w, https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/12\/410-pump-head-assembly-480x220.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1000px, 100vw\" \/><\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><img decoding=\"async\" src=\"\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-head-replacement-113953\/images\/410-mk4-1x.jpg\" alt=\"Solinst Mk4 peristaltic pump 112981\" width=\"500\" title=\"Solinst MK4 Peristaltic Pump 112981\"><\/p>\n<p>Solinst Mk4 Peristaltic Pump (#112981)<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Instructions<\/strong><\/h2>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; hover_enabled=&#8221;0&#8243; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;rgba(0,0,0,0.23)&#8221; global_colors_info=&#8221;{}&#8221; _module_preset=&#8221;e910b435-fe18-45d2-b351-bda808b1a267&#8243; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p><strong>Note:<\/strong><br \/>The motor brace and foam tape are not required when replacing the pump head on an Mk4 Peristaltic Pump.<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]<img decoding=\"async\" src=\"\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-head-replacement-113953\/images\/410-remove-cover-1x.jpg\" alt=\"loosen the four thumbscrews on the 410 peristaltic pump Mk4 head, remove the pump head cover\" width=\"500\" title=\"Loosen The Four Thumbscrews On The 410 Peristaltic Pump MK4 Head, Remove The Pump Head Cover\"><\/p>\n<p>&nbsp;[\/et_pb_text][et_pb_text _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<ol>\n<li>Disconnect the pump from the power supply. By hand, loosen the four thumbscrews on the pump head. Remove the pump head cover.  <\/li>\n<p><img decoding=\"async\" src=\"\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-head-replacement-113953\/images\/410-rotate-head-roller-1x.jpg\" alt=\"manually rotate the head roller while pulling gently on the tubing to remove it from the 410 peristaltic pump head Mk4\" width=\"500\" title=\"Manually Rotate The Head Roller While Pulling Gently On The Tubing To Remove It From The 410 Peristaltic Pump Head MK4\"><\/p>\n<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<ol start=\"2\">\n<li>Manually rotate the head roller while pulling gently on the tubing to remove it from the pump head.<\/li>\n<p><img decoding=\"async\" src=\"\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-head-replacement-113953\/images\/410-unscrew-socket-screw-1x.jpg\" alt=\"Solinst Model 410 peristaltic pump Mk4 pump head without cover showing rollers and motor shaft\" width=\"500\" title=\"Solinst Model 410 Peristaltic Pump MK4 Pump Head Without Cover Showing Rollers And Motor Shaft\">\n<\/ol>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<ol start=\"3\">\n<li>Use the 9\/64&#8243; (3.60 mm) Allen key and 11\/32&#8243; (8.70 mm) nut driver to unscrew and remove the socket screw, nut, and washer from the head roller. Remove the head roller from the motor shaft. <\/li>\n<li>Unscrew the two Phillips screws from inside the pump head.<\/li>\n<li>Use the nut driver to remove the four tapping screws from the pump head. Remove the old pump head from the pump housing. <\/li>\n<li>Place the new pump head over the motor shaft and attach it to the pump housing using the two Phillips screws and four tapping screws.<\/li>\n<li>Rotate the shaft of the motor so the screw hole in the shaft is vertically facing. Slide the head roller onto the motor shaft and secure it using the screw, washer, and nut. Make sure the head roller turns freely and is not touching the pump head.  <\/li>\n<li>Position the tubing around the impeller in a &#8220;U&#8221; shape with equal lengths. Turn the impeller to the 6 and 12 o&#8217;clock position and push the right-hand tubing into the tubing pathway, holding near the bottom. Rotate the impeller clockwise until tubing is in place. Push the left half of the tubing into place and rotate the impeller.   <\/li>\n<\/ol>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; hover_enabled=&#8221;0&#8243; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;rgba(0,0,0,0.23)&#8221; global_colors_info=&#8221;{}&#8221; _module_preset=&#8221;e910b435-fe18-45d2-b351-bda808b1a267&#8243; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p><strong>Note:<\/strong><br \/>To use 3\/8&#8243; tubing with the new pump head, you will require Tubing Adaptor Kit #113913 (see Peristaltic Pump Operating Instructions). Tubing adaptor kits used with the original Mk1, Mk2 or Mk3 pump head will not work with the Mk4 pump head.<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]<img decoding=\"async\" src=\"\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-head-replacement-113953\/images\/410-replace-cover-1x.jpg\" alt=\"finger tighten 410 peristaltic pump head cover using thumbscrews\" width=\"500\" title=\"Finger Tighten 410 Peristaltic Pump Head Cover Using Thumbscrews\"><\/p>\n<p>&nbsp;[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<ol start=\"9\">\n<li>Position the pump head cover and screw it firmly in place by hand. Thumbscrews should be finger tight. Do not use a wrench or over-tighten.  <\/li>\n<\/ol>\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner saved_specialty_column_type=&#8221;3_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_button button_url=&#8221;https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/get-quote.php&#8221; button_text=&#8221;Get Quote&#8221; admin_label=&#8221;410 get quote&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;c9e00792-1360-4998-8cf9-5f6772c944ba&#8221; global_module=&#8221;120346&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner saved_specialty_column_type=&#8221;3_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; hover_enabled=&#8221;0&#8243; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;rgba(0,0,0,0.23)&#8221; global_colors_info=&#8221;{}&#8221; _module_preset=&#8221;e910b435-fe18-45d2-b351-bda808b1a267&#8243; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h2><strong>Tools and Materials Needed<\/strong><\/h2>\n<ol>\n<li>Replacement Mk4 <a href=\"..\/..\/index.php\" title=\"Solinst Peristaltic Pumps\">410 Peristaltic Pump<\/a> Head Assembly (#113949)<\/li>\n<li>9\/64&#8243; (3.60 mm) Allen Key<\/li>\n<li>11\/32&#8243; (8.70 mm) Nut Driver<\/li>\n<li>Phillips Screwdriver<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/12\/410-pump-head-assembly.jpg\" width=\"1000\" height=\"458\" alt=\"Solinst 410 peristaltic pump head replacement parts for Mk4 version\" class=\"wp-image-148304 alignnone size-full\" srcset=\"https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/12\/410-pump-head-assembly.jpg 1000w, https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/12\/410-pump-head-assembly-980x449.jpg 980w, https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/12\/410-pump-head-assembly-480x220.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1000px, 100vw\" \/><\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><img decoding=\"async\" src=\"\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-head-replacement-113953\/images\/410-mk3-1x.jpg\" alt=\"Solinst Mk3 peristaltic pump 108592\" width=\"500\" title=\"Solinst MK3 Peristaltic Pump 108592\"><\/p>\n<p>Solinst Mk3 Peristaltic Pump (#108592)<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Instructions<\/strong><\/h2>\n<p><img decoding=\"async\" src=\"\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-head-replacement-113953\/images\/410-mk3-remove-cover-1x.jpg\" alt=\"loosen the four thumbscrews on the 410 peristaltic pump Mk3 head, remove the pump head cover\" width=\"500\" title=\"Loosen The Four Thumbscrews On The 410 Peristaltic Pump MK3 Head, Remove The Pump Head Cover\"><\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<ol>\n<li>Disconnect the <a href=\"..\/..\/index.php\" title=\"Solinst Peristaltic Pumps\"><strong>Peristaltic Pump<\/strong><\/a> from the power supply. By hand, loosen the four thumbscrews on the pump head. Remove the pump head cover.  <\/li>\n<p><img decoding=\"async\" src=\"\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-head-replacement-113953\/images\/410-mk3-remove-tubing-1x.jpg\" alt=\"manually rotate the head roller while pulling gently on the tubing to remove it from the 410 peristaltic pump head Mk3\" width=\"400\" title=\"Manually Rotate The Head Roller While Pulling Gently On The Tubing To Remove It From The 410 Peristaltic Pump Head MK3\"><\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<ol start=\"2\">\n<li>Remove the tubing clamps if necessary and manually rotate the head roller while pulling gently on the tubing to remove it from the pump head.<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-head-replacement-113953\/images\/410-mk3-unscrew-socket-screw-1x.jpg\" alt=\"Solinst Model 410 peristaltic pump Mk3 pump head without cover showing rollers and motor shaft\" width=\"500\" title=\"Solinst Model 410 Peristaltic Pump MK3 Pump Head Without Cover Showing Rollers And Motor Shaft\">[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<ol start=\"3\">\n<li>Use the 9\/64&#8243; (3.60 mm) Allen key and 11\/32&#8243; (8.70 mm) nut driver to unscrew and remove the socket screw, nut, and washer from the head roller. Remove the head roller from the motor shaft. <\/li>\n<li>Unscrew the four Phillips screws from inside the pump head and remove it from the end plate.<\/li>\n<li>Undo the four screws from the end plate and remove the end plate from the pump housing.<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-head-replacement-113953\/images\/410-mk3-disconnect-wires-1x.jpg\" alt=\"Undo the four screws from the end plate and remove the end plate from the 410 peristaltic pump Mk3 housing\" width=\"500\" title=\"Undo The Four Screws From The End Plate And Remove The End Plate From The 410 Peristaltic Pump MK3 Housing\"><\/p>\n<p>&nbsp;[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<ol start=\"6\">\n<li>Disconnect the black and red wires from the motor terminals.<\/li>\n<li>Unscrew the motor adaptor from the end plate. You will not need this end plate with the new pump head. <\/li>\n<li>Unscrew the adaptor and remove it from the motor. You will not need the adaptor with the new pump head. <\/li>\n<li>Slide the motor brace onto the motor until it seats against the two terminals. Secure in place using the foam tape. <\/li>\n<li>Fasten the new pump motor to the pump head using the two Phillips screws.<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-head-replacement-113953\/images\/410-mk3-reconnect-wires-1x.jpg\" alt=\"fasten the new 410 peristaltic pump motor to the pump head using the two Phillips screws\" title=\"Fasten The New Pump Motor To The Pump Head Using The Two Phillips Screws\"><\/p>\n<p>&nbsp;[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<ol start=\"11\">\n<li>Reconnect the red and black wires to the motor terminals.<\/li>\n<li>Align the tabs on the motor brace with the grooves in the pump housing and insert the motor into the pump housing. Secure the new pump head to the pump housing using the four screws. <\/li>\n<li>Rotate the shaft of the motor so the screw hole in the shaft is vertically facing.<\/li>\n<li>Slide the head roller onto the motor shaft and secure it using the screw, washer, and nut. Make sure the head roller turns freely and is not touching the pump head. <\/li>\n<li>Position the tubing around the impeller in a &#8220;U&#8221; shape with equal lengths. Turn the impeller to the 6 and 12 o&#8217;clock position and push the right-hand tubing into the tubing pathway, holding near the bottom. Rotate the impeller clockwise until tubing is in place. Push the left half of the tubing into place and rotate the impeller.   <\/li>\n<\/ol>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; hover_enabled=&#8221;0&#8243; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;rgba(0,0,0,0.23)&#8221; global_colors_info=&#8221;{}&#8221; _module_preset=&#8221;e910b435-fe18-45d2-b351-bda808b1a267&#8243; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p><strong>Note:<\/strong><br \/>To use 3\/8&#8243; tubing with the new pump head, you will require Tubing Adaptor Kit #113913 (see Peristaltic Pump Operating Instructions). Tubing adaptor kits used with the original Mk3 pump head will not work with the Mk4 pump head.<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]<img decoding=\"async\" src=\"\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-head-replacement-113953\/images\/410-mk3-replace-cover-1x.jpg\" alt=\"finger tighten 410 peristaltic pump head cover using thumbscrews\" title=\"Finger Tighten 410 Peristaltic Pump Head Cover Using Thumbscrews\">[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<ol start=\"16\">\n<li>Position the pump head cover and screw it firmly in place by hand. Thumbscrews should be finger tight. Do not use a wrench or over-tighten.  <\/li>\n<\/ol>\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner saved_specialty_column_type=&#8221;3_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_button button_url=&#8221;https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/get-quote.php&#8221; button_text=&#8221;Get Quote&#8221; admin_label=&#8221;410 get quote&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;c9e00792-1360-4998-8cf9-5f6772c944ba&#8221; global_module=&#8221;120346&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner saved_specialty_column_type=&#8221;3_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;Related Products&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; title_level=&#8221;h2&#8243; title_font=&#8221;|700|||||||&#8221; title_font_size=&#8221;22px&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_heading][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner column_structure=&#8221;1_2,1_2&#8243; disabled_on=&#8221;off|off|off&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; border_width_bottom=&#8221;1px&#8221; border_color_bottom=&#8221;#d3d3d3&#8243; global_module=&#8221;119863&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner type=&#8221;1_2&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/09\/415-12v-submersible-pump.webp&#8221; alt=&#8221;Solinst Model 415 12V Submersible Pump&#8221; title_text=&#8221;Solinst Model 415 12V Submersible Pump&#8221; url=&#8221;https:\/\/www.solinst.com\/products\/level-measurement-devices\/103-tag-line\/&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; border_color_all=&#8221;#bcbcbc&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column_inner][et_pb_column_inner type=&#8221;1_2&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_2_line_height=&#8221;1.3em&#8221; custom_margin=&#8221;60px||||false|false&#8221; custom_margin_tablet=&#8221;0px||||false|false&#8221; custom_margin_phone=&#8221;0px||||false|false&#8221; custom_margin_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2><strong>415 12V Submersible Pump<\/strong><\/h2>\n<p>The <a href=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/415-12v-submersible-pump\/415.php\" title=\"Solinst 12V Submersible Pump\"><strong>Solinst 12V Submersible Pump<\/strong><\/a> provides an efficient means of purging and obtaining groundwater samples from 2&#8243; OD monitoring wells. The compact pump can sample from depths of 36.5 m (120 ft) below ground surface, and is easy to adjust the flow rates up to 13.5 L\/min (3.6 US gpm) in shallower applications. <\/p>\n<p>[\/et_pb_text][et_pb_button button_url=&#8221;https:\/\/www.solinst.com\/products\/groundwater-samplers\/415-12v-submersible-pump\/415.php&#8221; button_text=&#8221;12V Submersible Pump&#8221; button_alignment=&#8221;right&#8221; button_alignment_tablet=&#8221;center&#8221; button_alignment_phone=&#8221;center&#8221; button_alignment_last_edited=&#8221;on|phone&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_text_size=&#8221;20px&#8221; button_text_color=&#8221;#000000&#8243; button_bg_color=&#8221;#FFFFFF&#8221; button_border_color=&#8221;#ff8500&#8243; button_border_radius=&#8221;20px&#8221; button_icon=&#8221;&#x3d;||divi||400&#8243; custom_padding=&#8221;0px|||||&#8221; button_text_size_tablet=&#8221;18px&#8221; button_text_size_phone=&#8221;16px&#8221; button_text_size_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner column_structure=&#8221;1_2,1_2&#8243; disabled_on=&#8221;off|off|off&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; border_width_bottom=&#8221;1px&#8221; border_color_bottom=&#8221;#d3d3d3&#8243; global_module=&#8221;119816&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner type=&#8221;1_2&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/09\/800m-mini-low-pressure-packer.webp&#8221; alt=&#8221;Solinst Model 800M Mini Low Pressure Packer&#8221; title_text=&#8221;Solinst Model 800M Mini Low Pressure Packer&#8221; url=&#8221;https:\/\/www.solinst.com\/products\/level-measurement-devices\/103-tag-line\/&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; border_color_all=&#8221;#bcbcbc&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column_inner][et_pb_column_inner type=&#8221;1_2&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_2_line_height=&#8221;1.3em&#8221; custom_margin=&#8221;60px||||false|false&#8221; custom_margin_tablet=&#8221;0px||||false|false&#8221; custom_margin_phone=&#8221;0px||||false|false&#8221; custom_margin_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2><strong>800M Mini Packer<\/strong><\/h2>\n<p>The <a href=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/800-low-pressure-packers\/index.php\" title=\"800M Mini Packer\"><strong>800M Mini Packer<\/strong><\/a> is 1 ft in length and is designed to fit in nominal 2&#8243; OD monitoring wells to temporarily isolate discrete zones for groundwater monitoring and sampling applications \u2013 available as a single and straddle packer setup.<\/p>\n<p>[\/et_pb_text][et_pb_button button_url=&#8221;https:\/\/www.solinst.com\/products\/groundwater-samplers\/800-low-pressure-packers\/index.php&#8221; button_text=&#8221;Mini Low Pressure Groundwater Packer&#8221; button_alignment=&#8221;right&#8221; button_alignment_tablet=&#8221;center&#8221; button_alignment_phone=&#8221;center&#8221; button_alignment_last_edited=&#8221;on|phone&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_text_size=&#8221;20px&#8221; button_text_color=&#8221;#000000&#8243; button_bg_color=&#8221;#FFFFFF&#8221; button_border_color=&#8221;#ff8500&#8243; button_border_radius=&#8221;20px&#8221; button_icon=&#8221;&#x3d;||divi||400&#8243; custom_padding=&#8221;0px|||||&#8221; button_text_size_tablet=&#8221;18px&#8221; button_text_size_phone=&#8221;16px&#8221; button_text_size_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner column_structure=&#8221;1_2,1_2&#8243; disabled_on=&#8221;off|off|off&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; border_width_bottom=&#8221;1px&#8221; border_color_bottom=&#8221;#d3d3d3&#8243; global_module=&#8221;119793&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner type=&#8221;1_2&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/09\/880-well-mount-field-table.webp&#8221; alt=&#8221;solinst model 880 well mount field table&#8221; title_text=&#8221;Solinst Model 880 Well Mount Field Table&#8221; url=&#8221;https:\/\/www.solinst.com\/products\/level-measurement-devices\/103-tag-line\/&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; border_color_all=&#8221;#bcbcbc&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column_inner][et_pb_column_inner type=&#8221;1_2&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_2_line_height=&#8221;1.3em&#8221; custom_margin=&#8221;60px||||false|false&#8221; custom_margin_tablet=&#8221;0px||||false|false&#8221; custom_margin_phone=&#8221;0px||||false|false&#8221; custom_margin_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2><strong>Make Your Life Easier In The Field<\/strong><\/h2>\n<p>Consider making your life easier in the field by ordering one of our convenient <a href=\"https:\/\/www.solinst.com\/products\/field-equipment\/880-field-table\/field-table.php\" title=\"Solinst Field Tables\"><strong>Field Tables<\/strong><\/a>. We have two models available, Well-mount and Stand-alone, to keep your equipment organised and provide a clean, sturdy surface to hold your field tools. <\/p>\n<p>Well-mount Field Table &#8211; 115209<br \/>Stand-alone Field Table &#8211; 115312<\/p>\n<p>[\/et_pb_text][et_pb_button button_url=&#8221;https:\/\/www.solinst.com\/products\/field-equipment\/880-field-table\/field-table.php&#8221; button_text=&#8221;Convenient Field Tables&#8221; button_alignment=&#8221;right&#8221; button_alignment_tablet=&#8221;center&#8221; button_alignment_phone=&#8221;center&#8221; button_alignment_last_edited=&#8221;on|phone&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_text_size=&#8221;20px&#8221; button_text_color=&#8221;#000000&#8243; button_bg_color=&#8221;#FFFFFF&#8221; button_border_color=&#8221;#ff8500&#8243; button_border_radius=&#8221;20px&#8221; button_icon=&#8221;&#x3d;||divi||400&#8243; custom_padding=&#8221;0px|||||&#8221; button_text_size_tablet=&#8221;18px&#8221; button_text_size_phone=&#8221;16px&#8221; button_text_size_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;Adobe Analytics Code&#8221; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;||4px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_code admin_label=&#8221;AA Code for this page&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<!-- SiteCatalyst code version: H.21. 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All Rights Reserved More info available at http:\/\/www.omniture.com --><!-- [et_pb_line_break_holder] --><script language=\"JavaScript\" type=\"text\/javascript\" src=\"\/\/www.solinst.com\/s_code.js\"><\/script><!-- [et_pb_line_break_holder] --><script language=\"JavaScript\" type=\"text\/javascript\"><!--<!-- [et_pb_line_break_holder] -->s.pageName=\"410 mk4 pump head replacement\"<!-- [et_pb_line_break_holder] -->s.server=\"\"<!-- [et_pb_line_break_holder] -->s.channel=\"products\"<!-- [et_pb_line_break_holder] -->s.pageType=\"\"<!-- [et_pb_line_break_holder] -->s.prop1=\"groundwater samplers\"<!-- [et_pb_line_break_holder] -->s.prop2=\"410 peristalic pump\"<!-- [et_pb_line_break_holder] -->s.prop3=\"instructions\"<!-- [et_pb_line_break_holder] -->s.prop4=\"410 mk4 pump head replacement\"<!-- [et_pb_line_break_holder] -->s.prop5=\"\"<!-- [et_pb_line_break_holder] -->s.prop6=\"\"<!-- [et_pb_line_break_holder] -->s.prop7=\"\"<!-- [et_pb_line_break_holder] -->s.prop8=\"\"<!-- [et_pb_line_break_holder] -->s.prop9=\"\"<!-- [et_pb_line_break_holder] -->s.prop10=\"\"<!-- [et_pb_line_break_holder] -->s.prop11=\"\"<!-- [et_pb_line_break_holder] -->s.prop12=\"\"<!-- [et_pb_line_break_holder] -->s.prop13=\"\"<!-- [et_pb_line_break_holder] -->s.prop14=\"\"<!-- [et_pb_line_break_holder] -->s.prop15=\"\"<!-- [et_pb_line_break_holder] -->s.prop16=\"\"<!-- [et_pb_line_break_holder] -->s.prop17=\"\"<!-- [et_pb_line_break_holder] -->s.prop18=\"\"<!-- [et_pb_line_break_holder] -->s.prop19=\"\"<!-- [et_pb_line_break_holder] -->s.prop20=\"\"<!-- [et_pb_line_break_holder] -->s.prop21=\"\"<!-- [et_pb_line_break_holder] -->s.prop22=\"\"<!-- [et_pb_line_break_holder] -->s.prop23=\"\"<!-- [et_pb_line_break_holder] -->s.prop24=\"\"<!-- [et_pb_line_break_holder] -->s.prop25=\"\"<!-- [et_pb_line_break_holder] -->s.prop26=\"\"<!-- [et_pb_line_break_holder] -->s.prop27=\"\"<!-- [et_pb_line_break_holder] -->s.prop28=\"\"<!-- [et_pb_line_break_holder] -->s.prop29=\"\"<!-- [et_pb_line_break_holder] -->s.prop30=\"\"<!-- [et_pb_line_break_holder] -->s.prop31=\"\"<!-- [et_pb_line_break_holder] -->s.prop32=\"\"<!-- [et_pb_line_break_holder] -->s.prop33=\"\"<!-- [et_pb_line_break_holder] -->s.hier1=\"solinst:products:groundwater samplers:410 peristalic pump:instructions:410 mk4 pump head replacement\"<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->\/* Conversion Variables *\/<!-- [et_pb_line_break_holder] -->s.campaign=\"\"<!-- [et_pb_line_break_holder] -->s.events=\"\"<!-- [et_pb_line_break_holder] -->s.eVar1=\"\"<!-- [et_pb_line_break_holder] -->s.eVar2=\"\"<!-- [et_pb_line_break_holder] -->s.eVar3=\"\"<!-- [et_pb_line_break_holder] -->s.eVar4=\"\"<!-- [et_pb_line_break_holder] -->s.eVar5=\"\"<!-- [et_pb_line_break_holder] -->s.eVar6=\"\"<!-- [et_pb_line_break_holder] -->s.eVar7=\"\"<!-- [et_pb_line_break_holder] -->s.eVar8=\"\"<!-- [et_pb_line_break_holder] -->s.eVar9=\"\"<!-- [et_pb_line_break_holder] -->s.eVar10=\"\"<!-- [et_pb_line_break_holder] -->s.eVar11=\"\"<!-- [et_pb_line_break_holder] -->s.eVar12=\"\"<!-- [et_pb_line_break_holder] -->s.eVar13=\"\"<!-- [et_pb_line_break_holder] -->s.eVar14=\"\"<!-- [et_pb_line_break_holder] -->s.eVar15=\"\"<!-- [et_pb_line_break_holder] -->s.eVar16=\"\"<!-- [et_pb_line_break_holder] -->s.eVar17=\"\"<!-- [et_pb_line_break_holder] -->s.state=\"\"<!-- [et_pb_line_break_holder] -->s.zip=\"\"<!-- [et_pb_line_break_holder] -->\/************* DO NOT ALTER ANYTHING BELOW THIS LINE ! **************\/<!-- [et_pb_line_break_holder] -->var s_code=s.t();if(s_code)document.write(s_code)\/\/--><\/script><!-- [et_pb_line_break_holder] --><script language=\"JavaScript\" type=\"text\/javascript\"><!--<!-- [et_pb_line_break_holder] -->if(navigator.appVersion.indexOf('MSIE')>=0)document.write(unescape('%3C')+'!-'+'-')<!-- [et_pb_line_break_holder] -->\/\/--><\/script><!-- [et_pb_line_break_holder] --><noscript><!-- [et_pb_line_break_holder] -->  <a href=\"https:\/\/www.omniture.com\" title=\"Web Analytics\"><!-- [et_pb_line_break_holder] -->    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/solinst.d2.sc.omtrdc.net\/b\/ss\/solinst-prod\/1\/H.21--NS\/0\" height=\"1\" width=\"1\" border=\"0\" alt=\"\"><!-- [et_pb_line_break_holder] -->  <\/a><!-- [et_pb_line_break_holder] --><\/noscript><!-- [et_pb_line_break_holder] --><!--\/DO NOT REMOVE\/--><!-- [et_pb_line_break_holder] --><!-- End SiteCatalyst code version: H.21. -->[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Peristaltic Pump Head Replacement Model 410 Mk4\/Mk3<div class=\"et_pb_module dsm_breadcrumbs dsm_breadcrumbs_0\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module_inner\">\n\t\t\t\t\t<nav class=\"dsm_breadcrumbs_wrap\">\n\t\t\t\t<ul class=\"dsm_breadcrumbs\" itemscope itemtype=\"https:\/\/schema.org\/BreadcrumbList\">\t\t\t<li class=\"dsm_breadcrumbs_item dsm_home_item dsm_home_item_custom\" itemprop=\"itemListElement\" itemscope\n\t\t\titemtype=\"https:\/\/schema.org\/ListItem\">\n\t\t\t\t<a href=\"https:\/\/www.solinst.com\/en-gb\/\" itemprop=\"item\" target=\"\">\n\t\t\t\t\t<span class='dsm_home_text_wrapper'>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"et-pb-icon dsm_home_icon\">\ue009<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"dsm_home_text\" itemprop=\"name\">\n\t\t\t\t\t\t\t\tHome\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t<\/a>\n\t\t\t\t<meta itemprop=\"position\" content=\"1\" \/>\n\t\t\t<\/li>\n\n\t\t<li class=\"dsm_breadcrumbs_separator\"> <span class=\"et-pb-icon dsm_separator_icon\">5<\/span><\/li><\/ul>\n\t\t\t<\/nav>\n\t\t\t\t<\/div>\n\t\t\t<\/div> &nbsp; Depth Discrete Groundwater Monitoring Reduce Costs and Field Time &nbsp; &nbsp; &nbsp;<div class=\"et_pb_module dsm_icon_list dsm_icon_list_0\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module_inner\">\n\t\t\t\t\t<ul class=\"dsm_icon_list_items dsm_icon_list_ltr_direction dsm_icon_list_layout_vertical\"><li class=\"dsm_icon_list_child dsm_icon_list_child_0\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<a href=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/operating-instructions\/410-peristaltic-pump-head-replacement-113953\/410-113953.pdf\" target=\"_blank\"><span class=\"dsm_icon_list_wrapper\"><span class=\"dsm_icon_list_icon\">\uf1c1<\/span><\/span><span class=\"dsm_icon_list_text\">410 Mk4\/Mk3 Pump Head Replacement PDF<\/span><\/a>\n\t\t\t<\/li><\/ul>\n\t\t\t\t<\/div>\n\t\t\t<\/div>Note:See section below for instructions to install the pump head on an Mk3 Peristaltic Pump.Tools and Materials Needed Replacement Mk4 410 Peristaltic Pump Head Assembly (#113949) 9\/64&#8243; (3.60 mm) Allen Key 11\/32&#8243; (8.70 mm) Nut Driver Phillips Screwdriver Solinst Mk4 Peristaltic Pump (#112981) &nbsp; &nbsp; InstructionsNote:The motor brace and foam tape are not required when replacing the pump head on an Mk4 Peristaltic Pump. &nbsp; Disconnect the pump from the power supply. By hand, loosen the four thumbscrews on the pump head. Remove the pump head cover. Manually rotate the head roller while pulling gently on the tubing to remove it from the pump head. Use the 9\/64&#8243; (3.60 mm) Allen key and 11\/32&#8243; (8.70 mm) nut driver to unscrew and remove the socket screw, nut, and washer from the head roller. Remove the head roller from the motor shaft. Unscrew the two Phillips screws from inside the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":221588,"parent":219685,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"folder":[412],"class_list":["post-221586","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Solinst 410 Peristaltic Pump Head Replacement MK4<\/title>\n<meta name=\"description\" content=\"Disconnect the Peristaltic Pump from the power supply. By hand, loosen the four thumbscrews on the Pump Head. 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