{"title":"Heater Parts","description":null,"products":[{"product_id":"sw-41-001","title":"Swimables SW-41-001 Manifold Bypass Valve for MasterTemp \u0026 Max-E-Therm | 77707-0001","description":"\u003ch2\u003eKey Benefits + Heater Water-System Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSwimables replacement manifold bypass valve for compatible Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters.\u003c\/li\u003e\n\u003cli\u003eCross-references Pentair part number 77707-0001.\u003c\/li\u003e\n\u003cli\u003eInstalls in the heater water manifold as the internal bypass-valve component.\u003c\/li\u003e\n\u003cli\u003eUseful when heater troubleshooting or inspection has confirmed the internal bypass valve requires replacement.\u003c\/li\u003e\n\u003cli\u003ePart-number matching helps reduce wrong-part orders on heater water-system repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuick Product Summary\u003c\/h2\u003e\u003cp\u003eThe Swimables SW-41-001 is a replacement manifold bypass valve for compatible Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters. Swimables cross-references SW-41-001 to industry part number 77707-0001, and Pentair lists 77707-0001 as the Manifold Bypass Valve Kit or Manifold Bypass Valve Package in its MasterTemp and Max-E-Therm water-system replacement-parts documentation. The internal bypass valve is located in the heater manifold and is one of the water-system components Pentair identifies during troubleshooting when heater temperature or flow-related problems persist. This replacement is best for service professionals and equipment owners who have confirmed 77707-0001 as the required part. Verify the exact heater model, header\/manifold design, and original part number before ordering.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cp\u003eReplacing a confirmed 77707-0001 internal manifold bypass valve on compatible Pentair MasterTemp and Sta-Rite Max-E-Therm heaters.\u003c\/p\u003e\u003ch2\u003eWhy This Matters\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThe bypass valve is part of the heater water manifold and must operate correctly as part of the overall water system.\u003c\/li\u003e\n\u003cli\u003ePentair troubleshooting guidance specifically calls for checking the internal bypass valve when certain high-limit or water-temperature problems persist.\u003c\/li\u003e\n\u003cli\u003eUsing the correct bypass-valve kit helps maintain the intended heater water-system configuration.\u003c\/li\u003e\n\u003cli\u003eMatching SW-41-001 to 77707-0001 is more reliable than ordering by appearance alone.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Signs You Need This \/ Use This When\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eYour heater parts diagram or existing component identifies 77707-0001.\u003c\/li\u003e\n\u003cli\u003eInspection has found the internal manifold bypass valve damaged, worn, stuck, or otherwise unsuitable for continued service.\u003c\/li\u003e\n\u003cli\u003eHeater troubleshooting has directed you to verify the internal bypass valve and diagnosis confirms replacement is required.\u003c\/li\u003e\n\u003cli\u003eYou are servicing a compatible MasterTemp or Max-E-Therm water manifold and need the listed bypass-valve replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSwimables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePool \u0026amp; Spa Heater Manifold Bypass Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwimables Part Number\u003c\/td\u003e\n\u003ctd\u003eSW-41-001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePentair \/ Industry Cross-Reference\u003c\/td\u003e\n\u003ctd\u003e77707-0001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarcode \/ UPC\u003c\/td\u003e\n\u003ctd\u003e810108820314\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnown Heater Families\u003c\/td\u003e\n\u003ctd\u003ePentair MasterTemp; Sta-Rite Max-E-Therm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnown MasterTemp Water-System Families\u003c\/td\u003e\n\u003ctd\u003e175, 200, 250, 300, and 400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnown Max-E-Therm Water-System Families\u003c\/td\u003e\n\u003ctd\u003e200, 333, and 400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocation \/ System\u003c\/td\u003e\n\u003ctd\u003eInternal heater water manifold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eASME Fitment Note\u003c\/td\u003e\n\u003ctd\u003eVerify header design and manufacture date; Pentair lists a different bypass kit for certain older ASME header designs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eCompatibility \/ Fitment Notes\u003c\/h2\u003e\u003cp\u003eSwimables identifies SW-41-001 as a MasterTemp \/ Max-E-Therm style bypass valve and cross-references it to 77707-0001. Pentair lists 77707-0001 in both MasterTemp and Max-E-Therm water-system replacement-parts documentation. For ASME heaters, header design and manufacture date matter because Pentair identifies a different bypass-valve kit for certain older header designs. Confirm the heater model, original part number, and manifold\/header design before purchase.\u003c\/p\u003e\u003ch2\u003eInstallation \/ Use Notes\u003c\/h2\u003e\u003cp\u003ePool-heater service involves hot water, electrical, and gas-fired equipment. Follow the heater manufacturer’s service instructions, allow the heater to cool, shut off the filter pump and electrical power, and follow all applicable gas shutoff procedures before opening the heater. If the heater is below pool water level, isolate the equipment as required before opening the water system. Installation and heater diagnosis should be performed by a qualified pool-heater service professional when appropriate.\u003c\/p\u003e\u003ch2\u003eBuy with Confidence\u003c\/h2\u003e\u003cp\u003eBenchmark Pool Supply helps customers identify pool-heater replacement parts using real equipment knowledge and part-number matching. For internal water-system parts like SW-41-001, we focus on the exact cross-reference, heater family, and manifold design so you can verify the correct replacement before ordering.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat does the Swimables SW-41-001 replace?\u003c\/h3\u003e\u003cp\u003eSwimables cross-references SW-41-001 to Pentair 77707-0001, the manifold bypass valve kit used in compatible MasterTemp and Max-E-Therm heater water systems.\u003c\/p\u003e\u003ch3\u003eWhere is the SW-41-001 bypass valve installed?\u003c\/h3\u003e\u003cp\u003eIt is an internal bypass-valve component in the heater water manifold. Pentair parts diagrams identify 77707-0001 in the water-system manifold assembly.\u003c\/p\u003e\u003ch3\u003eDoes SW-41-001 fit both MasterTemp and Max-E-Therm heaters?\u003c\/h3\u003e\u003cp\u003eYes, Swimables lists SW-41-001 for MasterTemp and Max-E-Therm style applications, and Pentair lists 77707-0001 in replacement-parts documentation for both heater families. Verify your exact model and original part number before ordering.\u003c\/p\u003e\u003ch3\u003eCan a bypass-valve problem contribute to heater temperature or flow faults?\u003c\/h3\u003e\u003cp\u003eIt can be part of the diagnosis. Pentair troubleshooting guidance directs technicians to verify the internal bypass valve when certain high-limit or water-temperature problems persist, but the complete water system should be diagnosed before replacing parts.\u003c\/p\u003e\u003ch3\u003eWhat should I verify before ordering SW-41-001?\u003c\/h3\u003e\u003cp\u003eConfirm the heater model, original 77707-0001 part reference, and the manifold\/header design. This is especially important on ASME heaters because older header designs may use a different bypass-valve kit.\u003c\/p\u003e","brand":"Swimables","offers":[{"title":"Default Title","offer_id":43722495557706,"sku":"Sw-41-001","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/6580\/7178\/files\/198_122_679938ff1ee5d6.35578151_Main_20Image_20SW-41-001_20_281_29_large_e8352a9d-a85e-430c-8512-6ae80f25a42a.webp?v=1787585192"},{"product_id":"sw-41-010","title":"Swimables SW-41-010 Thermal Regulator Kit for MasterTemp \u0026 Max-E-Therm | 77707-0010","description":"\u003ch2\u003eKey Benefits + Heater Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSwimables replacement thermal regulator kit for select Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters.\u003c\/li\u003e\n\u003cli\u003eCross-references Pentair part number 77707-0010.\u003c\/li\u003e\n\u003cli\u003eKit includes the thermal regulator, spring, O-ring, cap, and spring clip.\u003c\/li\u003e\n\u003cli\u003eHelps regulate water flow through the heat exchanger so the heater can maintain proper outlet temperature.\u003c\/li\u003e\n\u003cli\u003ePart-number matching helps reduce wrong-part orders when servicing heater water-system temperature regulation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuick Product Summary\u003c\/h2\u003e\u003cp\u003eThe Swimables SW-41-010 is a replacement thermal regulator kit for compatible Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters. Swimables cross-references SW-41-010 to Pentair 77707-0010, and Pentair lists 77707-0010 as the thermal regulator kit containing the thermal regulator, spring, O-ring, cap, and spring clip. The thermal regulator works with the heater water system to help control flow through the heat exchanger and maintain the intended outlet temperature. Pentair lists this replacement for MasterTemp and Max-E-Therm 175, 200, 250, 300, 333, and 400 heater families and specifically excludes the 125,000 BTU heater. Verify the exact heater model and original part number before ordering.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cp\u003eReplacing a confirmed 77707-0010-style thermal regulator assembly on compatible Pentair MasterTemp and Sta-Rite Max-E-Therm heaters.\u003c\/p\u003e\u003ch2\u003eWhy This Matters\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThe thermal regulator is part of the heater water system and helps maintain the proper outlet temperature.\u003c\/li\u003e\n\u003cli\u003eA damaged or malfunctioning regulator can affect water flow through the heat exchanger when it has been correctly identified as the failed component.\u003c\/li\u003e\n\u003cli\u003eThe complete kit provides the regulator and associated sealing and retaining components listed by Pentair.\u003c\/li\u003e\n\u003cli\u003eMatching the original 77707-0010 part reference helps avoid ordering the wrong heater water-system component.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Signs You Need This \/ Use This When\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eYour heater parts diagram or existing assembly identifies 77707-0010 or SW-41-010.\u003c\/li\u003e\n\u003cli\u003eA qualified diagnosis has identified the thermal regulator assembly as the required replacement.\u003c\/li\u003e\n\u003cli\u003eThe existing regulator, cap, spring, O-ring, or retaining clip is damaged or unsuitable for reassembly.\u003c\/li\u003e\n\u003cli\u003eYou are servicing a compatible MasterTemp or Max-E-Therm heater in the listed model families.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSwimables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePool \u0026amp; Spa Heater Thermal Regulator Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwimables Part Number\u003c\/td\u003e\n\u003ctd\u003eSW-41-010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePentair Cross-Reference\u003c\/td\u003e\n\u003ctd\u003e77707-0010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarcode \/ UPC\u003c\/td\u003e\n\u003ctd\u003e810108820345\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit Components\u003c\/td\u003e\n\u003ctd\u003eThermal regulator, spring, O-ring, cap, and spring clip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnown Heater Families\u003c\/td\u003e\n\u003ctd\u003ePentair MasterTemp; Sta-Rite Max-E-Therm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfirmed Model Families\u003c\/td\u003e\n\u003ctd\u003e175, 200, 250, 300, 333, and 400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExcluded Model\u003c\/td\u003e\n\u003ctd\u003eNot compatible with 125,000 BTU heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eHelps regulate water flow through the heat exchanger to maintain proper outlet temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eCompatibility \/ Fitment Notes\u003c\/h2\u003e\u003cp\u003eSwimables identifies SW-41-010 as a MasterTemp \/ Max-E-Therm style thermal regulator kit and cross-references it to Pentair 77707-0010. Pentair lists 77707-0010 for MasterTemp and Max-E-Therm 175, 200, 250, 300, 333, and 400 heater families and specifically notes that it is not compatible with the 125,000 BTU heater. Confirm the heater model and original part number before purchase.\u003c\/p\u003e\u003ch2\u003eInstallation \/ Use Notes\u003c\/h2\u003e\u003cp\u003eFollow the heater manufacturer’s service instructions and allow the heater to cool before servicing the water system. Disconnect power and follow all applicable heater shutdown procedures before opening the equipment. Replace the regulator and associated sealing\/retaining components as required by the manufacturer, and inspect the surrounding water-system parts before reassembly. Pool-heater service should be performed by a qualified professional when appropriate.\u003c\/p\u003e\u003ch2\u003eBuy with Confidence\u003c\/h2\u003e\u003cp\u003eBenchmark Pool Supply helps customers identify pool-heater replacement parts using real equipment knowledge and part-number matching. For water-system components like SW-41-010, we focus on the exact cross-reference, kit contents, and heater-family fitment so you can verify the correct replacement before ordering.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat does the Swimables SW-41-010 replace?\u003c\/h3\u003e\u003cp\u003eSwimables cross-references SW-41-010 to Pentair 77707-0010, the thermal regulator kit used in compatible MasterTemp and Max-E-Therm heater applications.\u003c\/p\u003e\u003ch3\u003eWhat is included in the SW-41-010 thermal regulator kit?\u003c\/h3\u003e\u003cp\u003ePentair lists 77707-0010 as including the thermal regulator, spring, O-ring, cap, and spring clip.\u003c\/p\u003e\u003ch3\u003eWhat does the thermal regulator do in a MasterTemp heater?\u003c\/h3\u003e\u003cp\u003eThe thermal regulator works with the heater water system to help regulate flow through the heat exchanger and maintain the intended outlet temperature.\u003c\/p\u003e\u003ch3\u003eWhich MasterTemp and Max-E-Therm models use this kit?\u003c\/h3\u003e\u003cp\u003ePentair lists 77707-0010 for compatible 175, 200, 250, 300, 333, and 400 heater families. Verify the exact heater model and original part number before ordering.\u003c\/p\u003e\u003ch3\u003eDoes SW-41-010 fit the 125,000 BTU MasterTemp heater?\u003c\/h3\u003e\u003cp\u003eNo. Pentair specifically lists this thermal regulator kit as not compatible with the 125,000 BTU heater.\u003c\/p\u003e","brand":"Swimables","offers":[{"title":"Default Title","offer_id":43722496344138,"sku":"sw-41-010","price":79.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/6580\/7178\/files\/210_28_67993a3944bf21.91931329_Main_20Image_20SW-41-010_20_281_29_large_34cd46de-b876-4641-850a-1e6df1aa8cf0.webp?v=1787584873"},{"product_id":"sw-41-061","title":"Swimables SW-41-061 Air Flow Switch for Pentair MasterTemp \u0026 Max-E-Therm","description":"\u003ch2\u003eKey Benefits + Heater Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSwimables replacement air flow switch for select Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters.\u003c\/li\u003e\n\u003cli\u003eCross-references Pentair part number 42001-0061S.\u003c\/li\u003e\n\u003cli\u003eMonitors blower vacuum \/ negative pressure as part of the heater safety and ignition-control sequence.\u003c\/li\u003e\n\u003cli\u003eHelps the control system verify combustion-air flow before allowing the ignition module to operate.\u003c\/li\u003e\n\u003cli\u003ePart-number matching helps reduce wrong-part orders when servicing heater airflow or ignition faults.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuick Product Summary\u003c\/h2\u003e\u003cp\u003eThe Swimables SW-41-061 is a MasterTemp \/ Max-E-Therm style air flow switch that cross-references Pentair 42001-0061S. It is used in compatible Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters as part of the combustion-air safety circuit. Pentair describes the air flow switch as a factory-set safety device that monitors negative pressure in the blower housing and must be closed, along with the other safety switches, before the ignition module can operate. This replacement is best for pool professionals and equipment owners who have confirmed 42001-0061S or SW-41-061 as the required heater part. Verify the exact heater model, original part number, and diagnosis before ordering.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cp\u003eReplacing a confirmed 42001-0061S-style air flow switch on compatible Pentair MasterTemp and Sta-Rite Max-E-Therm pool or spa heaters.\u003c\/p\u003e\u003ch2\u003eWhy This Matters\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThe air flow switch is part of the heater’s combustion-air safety system.\u003c\/li\u003e\n\u003cli\u003eIt helps verify that the blower is producing the required negative pressure before ignition is permitted.\u003c\/li\u003e\n\u003cli\u003eA failed or open switch can prevent the ignition sequence from proceeding when the switch has been correctly identified as the problem.\u003c\/li\u003e\n\u003cli\u003eMatching the original 42001-0061S part reference helps avoid replacing the wrong heater safety component.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Signs You Need This \/ Use This When\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eYour heater parts diagram or existing switch identifies 42001-0061S or SW-41-061.\u003c\/li\u003e\n\u003cli\u003eThe heater shows an air-flow-related fault and proper diagnosis has identified the air flow switch as the failed component.\u003c\/li\u003e\n\u003cli\u003eThe existing switch, tubing connection, or mounting assembly is damaged and the correct replacement part has been confirmed.\u003c\/li\u003e\n\u003cli\u003eYou are servicing a compatible MasterTemp or Max-E-Therm heater and need the listed air flow switch replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSwimables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePool \u0026amp; Spa Heater Air Flow Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwimables Part Number\u003c\/td\u003e\n\u003ctd\u003eSW-41-061\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndustry \/ Pentair Cross-Reference\u003c\/td\u003e\n\u003ctd\u003e42001-0061S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnown Heater Families\u003c\/td\u003e\n\u003ctd\u003ePentair MasterTemp; Sta-Rite Max-E-Therm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eMonitors blower vacuum \/ negative pressure as part of the heater safety and ignition circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eCompatibility \/ Fitment Notes\u003c\/h2\u003e\u003cp\u003eSwimables identifies SW-41-061 as a MasterTemp \/ Max-E-Therm style air flow switch and cross-references it to Pentair 42001-0061S. Pentair lists 42001-0061S as the air flow switch in its heater replacement-parts catalog. Heater generations and configurations can vary, so confirm the exact heater model and original switch part number before purchase.\u003c\/p\u003e\u003ch2\u003eInstallation \/ Use Notes\u003c\/h2\u003e\u003cp\u003eGas pool-heater service involves electrical, combustion, and gas-safety systems. Follow the heater manufacturer’s service instructions and disconnect power before service. Do not bypass, alter, or defeat the air flow switch or other heater safety controls. Diagnosis and replacement should be performed by a qualified pool-heater service professional when appropriate.\u003c\/p\u003e\u003ch2\u003eBuy with Confidence\u003c\/h2\u003e\u003cp\u003eBenchmark Pool Supply helps customers identify pool-heater replacement parts using real equipment knowledge and part-number matching. For safety-control components like SW-41-061, we focus on the exact cross-reference and heater family so you can verify the correct part before ordering.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat does the Swimables SW-41-061 replace?\u003c\/h3\u003e\u003cp\u003eSwimables cross-references SW-41-061 to Pentair 42001-0061S, the air flow switch used in compatible MasterTemp and Max-E-Therm heater applications.\u003c\/p\u003e\u003ch3\u003eWhat does the air flow switch do in a MasterTemp heater?\u003c\/h3\u003e\u003cp\u003ePentair describes the air flow switch as a safety device that monitors negative pressure in the blower housing. The ignition module does not operate unless the air flow switch and the heater’s other safety switches are closed.\u003c\/p\u003e\u003ch3\u003eDoes SW-41-061 fit both MasterTemp and Max-E-Therm heaters?\u003c\/h3\u003e\u003cp\u003eSwimables lists SW-41-061 for MasterTemp and Max-E-Therm style applications. Confirm the exact heater model and original 42001-0061S part reference before ordering.\u003c\/p\u003e\u003ch3\u003eCan an air flow switch cause a heater not to ignite?\u003c\/h3\u003e\u003cp\u003eAn open or failed air flow switch can prevent the ignition module from operating because it is part of the heater safety circuit. The complete heater should be properly diagnosed before replacing the switch.\u003c\/p\u003e\u003ch3\u003eWhat should I verify before ordering SW-41-061?\u003c\/h3\u003e\u003cp\u003eConfirm the heater model, original air flow switch part number, and that diagnosis has identified the switch as the required replacement. Match SW-41-061 to 42001-0061S rather than ordering by appearance alone.\u003c\/p\u003e","brand":"Swimables","offers":[{"title":"Default Title","offer_id":43722498572362,"sku":"Sw-41-061","price":89.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/6580\/7178\/files\/114_679938e88b1625.62272021_Main_20Image_20SW-41-061_20_281_29_large_19a77879-7f59-459f-90b3-99994a5f0348.webp?v=1787584340"}],"url":"https:\/\/benchmarkpoolsupply.com\/collections\/heater-parts.oembed","provider":"Benchmark Pool Supply","version":"1.0","type":"link"}