{"product_id":"mastertemp-high-limit-switch-42001-0063s","title":"Mastertemp High Limit Switch   42001-0063S","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eGenuine Pentair 42001-0063S High Limit Switch Replacement for MasterTemp \u0026amp; Max-E-Therm Heaters\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eEnsure the safe and reliable operation of your pool or spa heating system with the genuine OEM \u003cb\u003ePentair 42001-0063S High Limit Switch\u003c\/b\u003e. This critical safety device, sometimes referred to as a thermal cutout (TCO), is designed to automatically shut down the heater if water temperatures exceed safe limits (typically 140°F or 150°F). It is compatible with all Pentair MasterTemp (125, 250, 300, 400 BTU models) and Sta-Rite Max-E-Therm pool and spa heaters. Constructed with durable brass materials, this non-resettable switch is an essential protective measure against overheating, preventing damage to internal components and ensuring peace of mind.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eCritical Safety Component:\u003c\/b\u003e Automatically interrupts power to the heater if the water temperature exceeds a safe threshold (typically around \u003cb\u003e140°F - 150°F\u003c\/b\u003e), preventing overheating and potential damage.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eWide Compatibility:\u003c\/b\u003e A genuine replacement part compatible with most Pentair MasterTemp and Sta-Rite Max-E-Therm heaters (all BTU models, both natural gas and propane versions).\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eDurable Construction:\u003c\/b\u003e Made from corrosion-resistant \u003cb\u003ebrass\u003c\/b\u003e material for a secure, long-lasting fit and reliable performance in aquatic environments.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eNon-Resettable Design:\u003c\/b\u003e This is a non-resettable fuse-style high limit switch, meaning it must be replaced if triggered by an overheat event.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eEasy Installation:\u003c\/b\u003e Features a simple, thread-mount design (typically 1\/4\" NPT) and two male spade electrical connectors for quick and hassle-free installation.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eOEM Quality:\u003c\/b\u003e A genuine factory-authorized Pentair\/Zodiac replacement part engineered for an exact fit and dependable performance.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eDiagnostic Aid:\u003c\/b\u003e Often associated with diagnostic error codes related to high temperature or overheating events, signaling the need for replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e","brand":"MSP Supply","offers":[{"title":"Default Title","offer_id":67702852157755,"sku":"42001-0063S","price":101.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0121\/1475\/5646\/files\/mastertemp-high-limit-switch-42001-0063s-square.jpg?v=1791834643","url":"https:\/\/greatcallathletics.com\/products\/mastertemp-high-limit-switch-42001-0063s","provider":"Great Call Athletics","version":"1.0","type":"link"}