Mr. Heater High Limit Switch for MH35FA/MH170FAVT/MH400FAVT/HS35FA/HS170FAVT/HS400FAVT

Protect your heater and ensure safe, reliable operation with the Mr. Heater High Limit Switch. Designed to monitor internal temperatures and automatically shut off the unit when temperatures exceed safe operating levels, this replacement component helps prevent overheating and supports proper heater function. Built for dependable performance, the high limit switch helps protect critical heater components while extending equipment life. Ideal for replacing worn or damaged safety controls, it provides a reliable solution for maintaining safe and efficient operation in demanding heating environments.