Reznor 112753 Switch ensure your furnace burner assembly

ensure your furnace burner assembly is properly grounded

Using high-grade

by rotating the sensor 90 degrees and using only one of the ports

Engineered as a Single-Pole

preventing the common "lazy flame" or pilot failure issues often seen in older Reznor duct furnaces

Reznor 112753 Switch ensure your furnace burner assemblyThe Reznor 112753 High Limit Switch is a critical safety component designed for precise thermal regulation in Reznor unit heaters. This Hi Limit Block Vent Switch features an L150F temperature rating, specifically engineered to open the electrical circuit when internal temperatures reach 150F. As a manual reset limit switch, it provides an essential layer of protection for the heat exchanger and venting system, preventing operation under unsafe