{"title":"Neptronic Switches \u0026 Safety Limits","description":"\u003cp\u003eGenuine OEM Neptronic humidifier switches, thermostats, float switches and safety limit controls. Genuine OEM Neptronic parts ship direct from Neptronic or from our warehouse. Send us the humidifier model and serial number and we will confirm the right part before you order.\u003c\/p\u003e","products":[{"product_id":"sp3035-neptronic-manual-reset-thermal-cut-out-switch","title":"SP3035 - Neptronic Manual Reset Thermal Cut-Out Switch","description":"\u003cp\u003ePart # SP 3035 - Neptronic Manual Reset Thermal Cut-Out Switch \u003c\/p\u003e\n\u003cp\u003eFast Free Shipping Nationwide\u003c\/p\u003e\n\u003cp\u003eNeptronic OEM High Temp Switch - \u003c\/p\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":44437123137755,"sku":"SP3035","price":214.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/SP3035Neptronic.png?v=1742426936"},{"product_id":"sprh35-neptronic-adjustable-pressure-switch","title":"SPRH35 – Neptronic Adjustable Pressure Switch","description":"\u003cp\u003e\u003cstrong\u003eSPRH35\u003c\/strong\u003e is a genuine Neptronic Adjustable Pressure Switch. Safety limits and switches, such as manual-reset high-temperature cut-outs, airflow and pressure switches, shut the humidifier down if it overheats or loses airflow or pressure.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRepeated high-limit trips with no cause found\u003c\/li\u003e\n\u003cli\u003eSwitch will not reset or will not open\u003c\/li\u003e\n\u003cli\u003eSwitch damaged during a dry-fire or overheat event\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped safety limit usually points to another problem, such as low water, scale or no airflow. Find and fix the cause before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different switches and safety limits across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSPRH35\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SPRH35, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50529861566683,"sku":"SPRH35","price":269.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_69eaa5c1-4a77-489c-9919-d930002129a8.png?v=1790623682"},{"product_id":"spg2123-neptronic-air-pressure-switch","title":"SPG2123 – Neptronic Air Pressure Switch","description":"\u003cp\u003e\u003cstrong\u003eSPG2123\u003c\/strong\u003e is a genuine Neptronic Air Pressure Switch. Safety limits and switches, such as manual-reset high-temperature cut-outs, airflow and pressure switches, shut the humidifier down if it overheats or loses airflow or pressure.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRepeated high-limit trips with no cause found\u003c\/li\u003e\n\u003cli\u003eSwitch will not reset or will not open\u003c\/li\u003e\n\u003cli\u003eSwitch damaged during a dry-fire or overheat event\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped safety limit usually points to another problem, such as low water, scale or no airflow. Find and fix the cause before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different switches and safety limits across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSPG2123\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SPG2123, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50530980856027,"sku":"SPG2123","price":167.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_45438c85-4296-4bd5-9b76-514bbee1b0bc.png?v=1770390252"},{"product_id":"swaps-neptronic-air-pressure-switch","title":"SWAPS – Neptronic Air Pressure Switch","description":"\u003cp\u003e\u003cstrong\u003eSWAPS\u003c\/strong\u003e is a genuine Neptronic Air Pressure Switch. Safety limits and switches, such as manual-reset high-temperature cut-outs, airflow and pressure switches, shut the humidifier down if it overheats or loses airflow or pressure.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRepeated high-limit trips with no cause found\u003c\/li\u003e\n\u003cli\u003eSwitch will not reset or will not open\u003c\/li\u003e\n\u003cli\u003eSwitch damaged during a dry-fire or overheat event\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped safety limit usually points to another problem, such as low water, scale or no airflow. Find and fix the cause before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different switches and safety limits across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSWAPS\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SWAPS, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50531183722715,"sku":"SWAPS","price":243.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_45438c85-4296-4bd5-9b76-514bbee1b0bc.png?v=1770390252"},{"product_id":"swaps-adj-neptronic-air-pressure-switch","title":"SWAPS-ADJ – Neptronic Air Pressure Switch","description":"\u003cp\u003e\u003cstrong\u003eSWAPS-ADJ\u003c\/strong\u003e is a genuine Neptronic Air Pressure Switch. Safety limits and switches, such as manual-reset high-temperature cut-outs, airflow and pressure switches, shut the humidifier down if it overheats or loses airflow or pressure.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRepeated high-limit trips with no cause found\u003c\/li\u003e\n\u003cli\u003eSwitch will not reset or will not open\u003c\/li\u003e\n\u003cli\u003eSwitch damaged during a dry-fire or overheat event\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped safety limit usually points to another problem, such as low water, scale or no airflow. Find and fix the cause before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different switches and safety limits across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSWAPS-ADJ\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SWAPS-ADJ, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50531183788251,"sku":"SWAPS-ADJ","price":266.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_45438c85-4296-4bd5-9b76-514bbee1b0bc.png?v=1770390252"},{"product_id":"sp3030-neptronic-2060af28-26-klixon-switch","title":"SP3030 – Neptronic 2060AF28-26 Klixon Switch","description":"\u003cp\u003e\u003cstrong\u003eSP3030\u003c\/strong\u003e is a genuine Neptronic 2060AF28-26 Klixon Switch. Safety limits and switches, such as manual-reset high-temperature cut-outs, airflow and pressure switches, shut the humidifier down if it overheats or loses airflow or pressure.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRepeated high-limit trips with no cause found\u003c\/li\u003e\n\u003cli\u003eSwitch will not reset or will not open\u003c\/li\u003e\n\u003cli\u003eSwitch damaged during a dry-fire or overheat event\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped safety limit usually points to another problem, such as low water, scale or no airflow. Find and fix the cause before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different switches and safety limits across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSP3030\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SP3030, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50531188801755,"sku":"SP3030","price":168.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_45438c85-4296-4bd5-9b76-514bbee1b0bc.png?v=1770390252"},{"product_id":"sp3036-neptronic-manual-reset-limiting-temp104c-for-ske4-n-series","title":"SP3036 – Neptronic Manual Reset Limiting Temp104c for SKE4-N Series","description":"\u003cp\u003e\u003cstrong\u003eSP3036\u003c\/strong\u003e is a genuine Neptronic Manual Reset Limiting Temp104c used on Neptronic SKE4-N Series humidifiers. Safety limits and switches, such as manual-reset high-temperature cut-outs, airflow and pressure switches, shut the humidifier down if it overheats or loses airflow or pressure.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRepeated high-limit trips with no cause found\u003c\/li\u003e\n\u003cli\u003eSwitch will not reset or will not open\u003c\/li\u003e\n\u003cli\u003eSwitch damaged during a dry-fire or overheat event\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped safety limit usually points to another problem, such as low water, scale or no airflow. Find and fix the cause before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different switches and safety limits across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSP3036\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SP3036, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50531188834523,"sku":"SP3036","price":172.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_45438c85-4296-4bd5-9b76-514bbee1b0bc.png?v=1770390252"},{"product_id":"sp3040-neptronic-90-0001-mcgill-toggle-switch","title":"SP3040 – Neptronic #90-0001 Mcgill Toggle Switch","description":"\u003cp\u003e\u003cstrong\u003eSP3040\u003c\/strong\u003e is a genuine Neptronic #90-0001 Mcgill Toggle Switch. Safety limits and switches, such as manual-reset high-temperature cut-outs, airflow and pressure switches, shut the humidifier down if it overheats or loses airflow or pressure.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRepeated high-limit trips with no cause found\u003c\/li\u003e\n\u003cli\u003eSwitch will not reset or will not open\u003c\/li\u003e\n\u003cli\u003eSwitch damaged during a dry-fire or overheat event\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped safety limit usually points to another problem, such as low water, scale or no airflow. Find and fix the cause before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different switches and safety limits across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSP3040\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SP3040, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50531188932827,"sku":"SP3040","price":161.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_45438c85-4296-4bd5-9b76-514bbee1b0bc.png?v=1770390252"},{"product_id":"sp3045-neptronic-92-0001-toggle-switch","title":"SP3045 – Neptronic #92-0001 Toggle Switch","description":"\u003cp\u003e\u003cstrong\u003eSP3045\u003c\/strong\u003e is a genuine Neptronic #92-0001 Toggle Switch. Safety limits and switches, such as manual-reset high-temperature cut-outs, airflow and pressure switches, shut the humidifier down if it overheats or loses airflow or pressure.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRepeated high-limit trips with no cause found\u003c\/li\u003e\n\u003cli\u003eSwitch will not reset or will not open\u003c\/li\u003e\n\u003cli\u003eSwitch damaged during a dry-fire or overheat event\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped safety limit usually points to another problem, such as low water, scale or no airflow. Find and fix the cause before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different switches and safety limits across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSP3045\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SP3045, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50531188965595,"sku":"SP3045","price":151.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_45438c85-4296-4bd5-9b76-514bbee1b0bc.png?v=1770390252"},{"product_id":"sp3600-neptronic-vertical-plastic-float-switch","title":"SP3600 – Neptronic Vertical Plastic Float Switch","description":"\u003cp\u003e\u003cstrong\u003eSP3600\u003c\/strong\u003e is a genuine Neptronic Vertical Plastic Float Switch. Safety limits and switches, such as manual-reset high-temperature cut-outs, airflow and pressure switches, shut the humidifier down if it overheats or loses airflow or pressure.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRepeated high-limit trips with no cause found\u003c\/li\u003e\n\u003cli\u003eSwitch will not reset or will not open\u003c\/li\u003e\n\u003cli\u003eSwitch damaged during a dry-fire or overheat event\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped safety limit usually points to another problem, such as low water, scale or no airflow. Find and fix the cause before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different switches and safety limits across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSP3600\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SP3600, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50531191488731,"sku":"SP3600","price":223.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_45438c85-4296-4bd5-9b76-514bbee1b0bc.png?v=1770390252"},{"product_id":"sph4006-3-neptronic-pressure-switch","title":"SPH4006-3 – Neptronic Pressure Switch","description":"\u003cp\u003e\u003cstrong\u003eSPH4006-3\u003c\/strong\u003e is a genuine Neptronic Pressure Switch. Safety limits and switches, such as manual-reset high-temperature cut-outs, airflow and pressure switches, shut the humidifier down if it overheats or loses airflow or pressure.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRepeated high-limit trips with no cause found\u003c\/li\u003e\n\u003cli\u003eSwitch will not reset or will not open\u003c\/li\u003e\n\u003cli\u003eSwitch damaged during a dry-fire or overheat event\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped safety limit usually points to another problem, such as low water, scale or no airflow. Find and fix the cause before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different switches and safety limits across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSPH4006-3\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SPH4006-3, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50531191849179,"sku":"SPH4006-3","price":146.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_45438c85-4296-4bd5-9b76-514bbee1b0bc.png?v=1770390252"},{"product_id":"sp4137-neptronic-no-pressure-switch-for-ske4-n-series","title":"SP4137 – Neptronic No Pressure Switch for SKE4-N Series","description":"\u003cp\u003e\u003cstrong\u003eSP4137\u003c\/strong\u003e is a genuine Neptronic No Pressure Switch used on Neptronic SKE4-N Series humidifiers. Safety limits and switches, such as manual-reset high-temperature cut-outs, airflow and pressure switches, shut the humidifier down if it overheats or loses airflow or pressure.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRepeated high-limit trips with no cause found\u003c\/li\u003e\n\u003cli\u003eSwitch will not reset or will not open\u003c\/li\u003e\n\u003cli\u003eSwitch damaged during a dry-fire or overheat event\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped safety limit usually points to another problem, such as low water, scale or no airflow. Find and fix the cause before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different switches and safety limits across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSP4137\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SP4137, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50531195191515,"sku":"SP4137","price":194.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_45438c85-4296-4bd5-9b76-514bbee1b0bc.png?v=1770390252"},{"product_id":"sprh3-neptronic-adjustable-pressure-switch","title":"SPRH3 – Neptronic Adjustable Pressure Switch","description":"\u003cp\u003e\u003cstrong\u003eSPRH3\u003c\/strong\u003e is a genuine Neptronic Adjustable Pressure Switch. Safety limits and switches, such as manual-reset high-temperature cut-outs, airflow and pressure switches, shut the humidifier down if it overheats or loses airflow or pressure.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRepeated high-limit trips with no cause found\u003c\/li\u003e\n\u003cli\u003eSwitch will not reset or will not open\u003c\/li\u003e\n\u003cli\u003eSwitch damaged during a dry-fire or overheat event\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped safety limit usually points to another problem, such as low water, scale or no airflow. Find and fix the cause before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different switches and safety limits across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSPRH3\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SPRH3, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50531222651099,"sku":"SPRH3","price":255.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_45438c85-4296-4bd5-9b76-514bbee1b0bc.png?v=1770390252"},{"product_id":"sp4233-69-neptronic-skg4-airflow-switch-tube-for-skg4-series","title":"SP4233-69 – Neptronic SKG4 Airflow Switch Tube for SKG4 Series","description":"\u003cp\u003e\u003cstrong\u003eSP4233-69\u003c\/strong\u003e is a genuine Neptronic SKG4 Airflow Switch Tube used on Neptronic SKG4 Series humidifiers. Safety limits and switches, such as manual-reset high-temperature cut-outs, airflow and pressure switches, shut the humidifier down if it overheats or loses airflow or pressure.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRepeated high-limit trips with no cause found\u003c\/li\u003e\n\u003cli\u003eSwitch will not reset or will not open\u003c\/li\u003e\n\u003cli\u003eSwitch damaged during a dry-fire or overheat event\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped safety limit usually points to another problem, such as low water, scale or no airflow. Find and fix the cause before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different switches and safety limits across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSP4233-69\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SP4233-69, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50531222814939,"sku":"SP4233-69","price":124.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_45438c85-4296-4bd5-9b76-514bbee1b0bc.png?v=1770390252"},{"product_id":"swskswitch-assy-neptronic-sk300-switch-assembly-for-sk300-series","title":"SWSKSWITCH-ASSY – Neptronic SK300 Switch Assembly for SK300 Series","description":"\u003cp\u003e\u003cstrong\u003eSWSKSWITCH-ASSY\u003c\/strong\u003e is a genuine Neptronic SK300 Switch Assembly used on Neptronic SK300 Series humidifiers. Safety limits and switches, such as manual-reset high-temperature cut-outs, airflow and pressure switches, shut the humidifier down if it overheats or loses airflow or pressure.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRepeated high-limit trips with no cause found\u003c\/li\u003e\n\u003cli\u003eSwitch will not reset or will not open\u003c\/li\u003e\n\u003cli\u003eSwitch damaged during a dry-fire or overheat event\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped safety limit usually points to another problem, such as low water, scale or no airflow. Find and fix the cause before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different switches and safety limits across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSWSKSWITCH-ASSY\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SWSKSWITCH-ASSY, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50531241689307,"sku":"SWSKSWITCH-ASSY","price":144.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_45438c85-4296-4bd5-9b76-514bbee1b0bc.png?v=1770390252"},{"product_id":"swpsa2-neptronic-air-pressure-switch","title":"SWPSA2 – Neptronic Air Pressure Switch","description":"\u003cp\u003e\u003cstrong\u003eSWPSA2\u003c\/strong\u003e is a genuine Neptronic Air Pressure Switch. Safety limits and switches, such as manual-reset high-temperature cut-outs, airflow and pressure switches, shut the humidifier down if it overheats or loses airflow or pressure.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRepeated high-limit trips with no cause found\u003c\/li\u003e\n\u003cli\u003eSwitch will not reset or will not open\u003c\/li\u003e\n\u003cli\u003eSwitch damaged during a dry-fire or overheat event\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA tripped safety limit usually points to another problem, such as low water, scale or no airflow. Find and fix the cause before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different switches and safety limits across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSWPSA2\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SWPSA2, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50531258368219,"sku":"SWPSA2","price":219.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_45438c85-4296-4bd5-9b76-514bbee1b0bc.png?v=1770390252"}],"url":"https:\/\/www.rapidhvacparts.com\/collections\/neptronic-switches-safety-limits.oembed","provider":"RapidHVACParts","version":"1.0","type":"link"}