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About this item RELIABLE POOL & SPA HEATER PROTECTION – The Pentair Replacement High Limit Switch 42001-0063S is a crucial safety component that prevents overheating in your pool or spa heater. Designed for optimal temperature regulation, this high-limit switch ensures your heating system runs safely and efficiently. Its precision engineering helps extend the lifespan of your equipment, making it an essential replacement part for maintaining a well-functioning heating system. COMPLETE REPLACEMENT SWITCH WITH PRECISE COMPATIBILITY – This package includes one high-limit switch 42001-0063S, designed as a direct replacement for Pentair MasterTemp and Max-E-Therm heater models, including SR200, SR333, and SR400. Engineered for seamless integration, it matches OEM specifications for size and performance, ensuring a hassle-free replacement. The switch operates at a cut-off temperature of 135°F, safeguarding your heater from excessive heat damage. DURABLE & HIGH-QUALITY CONSTRUCTION – Manufactured with premium-grade materials, this high-limit switch is built to endure harsh pool and spa environments. Its corrosion-resistant design ensures longevity, even in high-humidity conditions. The internal sensor is engineered for precise thermal detection, providing consistent and reliable performance. This quality construction guarantees your pool or spa heater maintains a safe and steady operation for years to come. SIMPLE INSTALLATION FOR INSTANT USE – Designed for easy installation, this high-limit switch can be replaced quickly without the need for specialized tools. Just remove the faulty switch, secure the new one in place, and restore your heater’s safety function within minutes. Ideal for pool and spa owners looking for a straightforward solution, this switch enhances your heater’s reliability while preventing costly damage caused by overheating. TRUSTED USA MANUFACTURER WITH 12-MONTH WARRANTY – Backed by Wholesale Sensors, a reputable USA-based manufacturer, this high-limit switch is tested for accuracy and reliability. With a 12-month warranty included, you can be confident in the quality and durability of your purchase. Our dedicated customer support team is available to assist you, ensuring you receive a reliable product that meets or exceeds industry standards. › See more product details
RELIABLE POOL & SPA HEATER PROTECTION – The Pentair Replacement High Limit Switch 42001-0063S is a crucial safety component that prevents overheating in your pool or spa heater. Designed for optimal temperature regulation, this high-limit switch ensures your heating system runs safely and efficiently. Its precision engineering helps extend the lifespan of your equipment, making it an essential replacement part for maintaining a well-functioning heating system.
COMPLETE REPLACEMENT SWITCH WITH PRECISE COMPATIBILITY – This package includes one high-limit switch 42001-0063S, designed as a direct replacement for Pentair MasterTemp and Max-E-Therm heater models, including SR200, SR333, and SR400. Engineered for seamless integration, it matches OEM specifications for size and performance, ensuring a hassle-free replacement. The switch operates at a cut-off temperature of 135°F, safeguarding your heater from excessive heat damage.
DURABLE & HIGH-QUALITY CONSTRUCTION – Manufactured with premium-grade materials, this high-limit switch is built to endure harsh pool and spa environments. Its corrosion-resistant design ensures longevity, even in high-humidity conditions. The internal sensor is engineered for precise thermal detection, providing consistent and reliable performance. This quality construction guarantees your pool or spa heater maintains a safe and steady operation for years to come.
SIMPLE INSTALLATION FOR INSTANT USE – Designed for easy installation, this high-limit switch can be replaced quickly without the need for specialized tools. Just remove the faulty switch, secure the new one in place, and restore your heater’s safety function within minutes. Ideal for pool and spa owners looking for a straightforward solution, this switch enhances your heater’s reliability while preventing costly damage caused by overheating.
TRUSTED USA MANUFACTURER WITH 12-MONTH WARRANTY – Backed by Wholesale Sensors, a reputable USA-based manufacturer, this high-limit switch is tested for accuracy and reliability. With a 12-month warranty included, you can be confident in the quality and durability of your purchase. Our dedicated customer support team is available to assist you, ensuring you receive a reliable product that meets or exceeds industry standards.
Bought this item to repair a Pentair Mastertemp 400HD. Tried to use our pool heater for the first time this season and was met with disappointment. When our Easytouch called for heat, the heaters would light up, with the "service heater" light on. Heater would not attempt to light and blower motor dis not activate. I removed the top panel to read the service codes on the back of the main board and the HLS high limit sensor led light was lit. Ordered a more expensive sensor from another vendor on Amazon, because it said it was OEM. Turned out it was falsely advertised and was a non oem replacement like the one sold in this add. I returned, then purchased this non oem replacement and could not be happier. Cheaper price and it functions just like advertised.
