{"product_id":"wholesale-sensors-pentair-42001-0063s-replacement-high-limit-switch-12-month-warranty-usa-support-easy-installation","title":"Wholesale Sensors: Pentair 42001-0063S Replacement High Limit Switch | 12-Month Warranty \u0026 USA Support | Easy Installation","description":"\u003cp\u003eKeep your pool or spa heater safe and efficient with the Pentair 42001-0063S replacement high limit switch from Wholesale Sensors. This component helps regulate heat and prevents overheating by providing a precise cut-off as part of the heater’s safety system. It’s designed for compatibility with Pentair MasterTemp and Max-E-Therm models, including the SR200, SR333, and SR400. Built to endure damp, humid environments common to pool equipment, the switch features corrosion-resistant construction and a sensor engineered for reliable thermal detection. When installed correctly, it supports steady heater operation and can be a smart part of a broader maintenance plan.\u003c\/p\u003e\n\n\u003ch2\u003eKey benefits at a glance\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSafe, reliable protection for pool and spa heaters, helping to prevent overheating scenarios.\u003c\/li\u003e\n  \u003cli\u003ePrecise temperature regulation thanks to a dedicated thermal sensor and calibrated cut-off at 135°F.\u003c\/li\u003e\n  \u003cli\u003eDirect OEM-style replacement with matching size and performance for seamless installation.\u003c\/li\u003e\n  \u003cli\u003eDurable, corrosion-resistant materials designed to cope with humid pool environments.\u003c\/li\u003e\n  \u003cli\u003eSimple, tool-light installation that minimizes downtime and avoids complex wiring updates.\u003c\/li\u003e\n  \u003cli\u003eTrusted USA manufacturer support, backed by a 12-month warranty for peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat’s included and compatibility\u003c\/h2\u003e\n\u003cp\u003eThe package contains one high-limit switch, part number 42001-0063S, built as a direct substitute for compatible Pentair heater models. It aligns with Pentair MasterTemp and Max-E-Therm series, including SR200, SR333, and SR400, and it operates at a 135°F cut-off to guard against excessive heat exposure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne replacement high limit switch 42001-0063S\u003c\/li\u003e\n  \u003cli\u003eDirect compatibility with MasterTemp and Max-E-Therm heaters\u003c\/li\u003e\n  \u003cli\u003eOEM-equivalent sizing for straightforward installation\u003c\/li\u003e\n  \u003cli\u003e135°F cut-off to safeguard your equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eEasy installation and ongoing care\u003c\/h2\u003e\n\u003cp\u003eEquip yourself with a product designed for quick field replacement. The switch is built for reliable function in demanding environments, with internal sensing tuned for accurate readings. A straightforward installation process helps you restore your heater’s safety function in minutes, so you can focus on enjoying your outdoor space rather than complex repairs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePower down the heater and remove the faulty switch\u003c\/li\u003e\n  \u003cli\u003eInstall the new 42001-0063S and secure connections\u003c\/li\u003e\n  \u003cli\u003eRestore power and test heater operation to confirm proper function\u003c\/li\u003e\n  \u003cli\u003eFollow routine maintenance to keep the protection in good working order\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWarranty and USA support\u003c\/h2\u003e\n\u003cp\u003eWholesale Sensors stands behind this high-limit switch with a 12-month warranty and USA-based support. Our team is ready to assist with fitment questions, installation tips, and troubleshooting to help you keep your pool or spa running smoothly.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which heater models are compatible with the Pentair 42001-0063S replacement high limit switch?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Direct replacement for Pentair MasterTemp and Max-E-Therm heaters, including SR200, SR333, and SR400.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What warranty and support come with this part?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: 12-month warranty with USA-based support from Wholesale Sensors for installation help.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Wholesale Sensors","offers":[{"title":"Default Title","offer_id":45739746033850,"sku":"B07GCVHVFC","price":51.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/wholesale-sensors-pentair-42001-0063s-high-limit-switch-front-view.jpg?v=1774749610","url":"https:\/\/gardencanada.ca\/products\/wholesale-sensors-pentair-42001-0063s-replacement-high-limit-switch-12-month-warranty-usa-support-easy-installation","provider":"Garden Canada","version":"1.0","type":"link"}