{"product_id":"pentairmastertemppoolheaterhighlimitswitch420010063spen420010063s","title":"Pentair MasterTemp Pool Heater High Limit Switch | 42001-0063S","description":"\u003cdiv\u003e\n\u003ch2\u003ePentair High‑Limit Switch – Model 42001‑0063S\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePentair 42001‑0063S\u003c\/strong\u003e is an OEM high‑limit safety switch designed for use in select Sta‑Rite Max‑E‑Therm and Pentair MasterTemp pool \u0026amp; spa heaters. It monitors high temperatures in the heater system and interrupts the electrical circuit if safe thresholds are exceeded.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFail‑safe thermal cut‑off switch for heater control systems\u003c\/li\u003e\n\u003cli\u003eDirect replacement part: 42001‑0063S\u003c\/li\u003e\n\u003cli\u003eCompatible with Sta‑Rite Max‑E‑Therm and Pentair MasterTemp heater electrical assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel \/ SKU: 42001‑0063S\u003c\/li\u003e\n\u003cli\u003eFunction: High‑limit electrical switch — opens the circuit when the water or heat exchanger exceeds set temperature\u003c\/li\u003e\n\u003cli\u003eApplication: Sta‑Rite Max‑E‑Therm (SR‑series) and Pentair MasterTemp heaters\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year limited (check manufacturer terms)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eMaintenance Tip:\u003c\/em\u003e When servicing the heater, always turn off power first. Verify correct part number and settings. Inspect thermal switch for signs of overheating or discoloration. Replace immediately if the heater displays a “HLS” error code or if the switch shows evidence of thermal stress. After installation, perform a system test run to confirm heater resets properly and all safeties are functioning.\u003c\/p\u003e\n\u003cp\u003eSKU: 42001-0063S\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":46797765148847,"sku":"42001-0063S","price":47.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/pentair-mastertemp-pool-heater-high-limit-switch-42001-0063s-heater-parts-9169654.jpg?v=1777066981","url":"https:\/\/freshized.com\/products\/pentairmastertemppoolheaterhighlimitswitch420010063spen420010063s","provider":"Freshized","version":"1.0","type":"link"}