Smith 100277765 Thermal Switch is a critical safety component designed for high-limit temperature protection in residential and commercial water heaters

This unit features a robust 32-inch armored cable to protect the internal wiring from high-temperature exposure and mechanical wear

System Protection: Acts as a failsafe against abnormal pressure rises caused by fan failure

Common Questions Will this work with other brands besides York

Weil McLain 386-300-213 Kit R-410A Smith 100277765 Thermal Switch isThe Weil McLain 386 300 213 Section Replacement Kit is a specialized field service assembly engineered for Series 86 and 88 commercial cast iron boilers. As a critical component for maintaining a gas tight seal in large scale hydronic systems, this boiler section seal kit includes high temperature fiberglass rope (1 2" diameter in 10 foot and 17 foot lengths), precision molded elastomer sealing rings, industrial grade high temp sealant, and dedicated