Check the listing for details. 42001-0063S High Limit Switch Replacement Pool/Spa Heater. Condition: New. Listed at 10.45 USD. Upgrade your Pentair pool or spa heater with our high-quality replacement sensors designed specifically for the Pentair 42001-0063S High Limit Switch. Crafted with precision and durability in mind, these sensors ensure accurate temperature regulation, providing a seamless heating experience for your pool or spa. Designed as a wholesale solution, our replacement sensors offer affordability without compromising on quality. 12-Month Warranty by Wholesale Sensors, a USA Manufacturer: Rest easy knowing your purchase is protected by our 12-month warranty. Wholesale Sensors, a trusted USA manufacturer, takes full responsibility for ensuring the quality and performance of our product, offering you added peace of mind with every purchase.Replacement for Pentair 42001-0063S High Limit Switch for Pool/Spa HeaterCompatible with Pentair MasterTemp (All Models) & Max-E-Therm - Models SR200, SR333, SR400Built to withstand the rigors of pool and spa environments, our sensors are made with high-quality materials for long-lasting performance. Maintain precise temperature control for your pool or spa with our replacement sensors, ensuring a comfortable and enjoyable experience.42001-0063S sensor detects when water temperature exceeds safe level and automatically opens heat exchanger outlet. High Limit Switch (135°F)Crafted to meet and exceed industry standards, these sensors provide accurate high limit control, promoting efficient and safe heating for your pool or spa.Upgrade your Pentair pool or spa heater with our high-quality replacement sensors designed specifically for the Pentair 42001-0063S High Limit Switch. Crafted with precision and durability in mind, these sensors ensure accurate temperature regulation, providing a seamless heating experience for your pool or spa. Designed as a wholesale solution, our replacement sensors offer affordability without compromising on quality. 12-Month Warranty by Wholesale Sensors, a USA Manufacturer: Rest easy knowing your purchase is protected by our 12-month warranty. Wholesale Sensors, a trusted USA manufacturer, takes full responsibility for ensuring the quality and performance of our product, offering you added peace of mind with every purchase.Replacement for Pentair 42001-0063S High Limit Switch for Pool/Spa HeaterCompatible with Pentair MasterTemp (All Models) & Max-E-Therm - Models SR200, SR333, SR400Built to withstand the rigors of pool and spa environments, our sensors are made with high-quality materials for long-lasting performance. Maintain precise temperature control for your pool or spa with our replacement sensors, ensuring a comfortable and enjoyable experience.42001-0063S sensor detects when water temperature exceeds safe level and automatically opens heat exchanger outlet. High Limit Switch (135°F)Crafted to meet and exceed industry standards, these sensors provide accurate high limit control, promoting efficient and safe heating for your pool or spa.