{"product_id":"mastertemp-thermistor-42001-0053s","title":"Mastertemp Thermistor  42001-0053S","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eGenuine Pentair 42001-0053S Thermistor for MasterTemp \u0026amp; Max-E-Therm Pool Heaters \u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eEnsure accurate water temperature monitoring and efficient operation of your pool heating system with the genuine OEM Pentair 42001-0053S thermistor. This crucial replacement part is designed for seamless integration with Pentair MasterTemp (including 125, 250, 300, 400 BTU models) and Sta-Rite Max-E-Therm (200, 333, 400 BTU models) pool and spa heaters. Constructed from durable, corrosion-resistant stainless steel, this non-resettable sensor accurately detects water temperature and sends precise readings to the heater's control board, helping to maintain consistent water temperature, prevent system errors (like the E01 code), and prolong the lifespan of your heater. \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul type=\"disc\" style=\"margin-top: 0in;\"\u003e\n\u003cli style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\n\u003cb\u003eAccurate Temperature Monitoring: \u003c\/b\u003eAccurately measures the water temperature entering the heater's manifold and sends precise, real-time data to the control system for efficient operation.\u003c\/li\u003e\n\u003cli style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\n\u003cb\u003eWide Compatibility: \u003c\/b\u003eA direct replacement for most Pentair MasterTemp and Sta-Rite Max-E-Therm heaters, including all BTU models for both natural gas and propane versions.\u003c\/li\u003e\n\u003cli style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\n\u003cb\u003eDurable Construction: \u003c\/b\u003eMade from high-quality, corrosion-resistant stainless steel for dependable performance and longevity in harsh pool and spa environments.\u003c\/li\u003e\n\u003cli style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\n\u003cb\u003eEssential Safety Component: \u003c\/b\u003ePlays a vital role in the heater's safety systems by ensuring the water temperature does not exceed safe limits (e.g., 104°F).\u003c\/li\u003e\n\u003cli style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\n\u003cb\u003eEasy Installation: \u003c\/b\u003eFeatures two electrical connectors and a simple, thread-mount design for quick and hassle-free replacement, suitable for both professionals and DIY enthusiasts.\u003c\/li\u003e\n\u003cli style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\n\u003cb\u003eDiagnostic Function: \u003c\/b\u003eA common replacement item when the heater's control panel displays an E01 error code, indicating a faulty temperature sensor.\u003c\/li\u003e\n\u003cli style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\n\u003cb\u003eOperating Range: \u003c\/b\u003eAccording to sources like Poolandspasupplystore.com, it operates effectively within a temperature range of -20°C to 80°C (-4°F to 176°F). \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MSP Supply","offers":[{"title":"Default Title","offer_id":67702855467323,"sku":"42001-0053S","price":122.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0121\/1475\/5646\/files\/mastertemp-thermistor-42001-0053s-square.jpg?v=1791834649","url":"https:\/\/greatcallathletics.com\/products\/mastertemp-thermistor-42001-0053s","provider":"Great Call Athletics","version":"1.0","type":"link"}