Lennox 15M42 Rollout Switch specifically engineered to open the

specifically engineered to open the electrical circuit at a fixed set point of 145 degrees Fahrenheit

The Honeywell 311852 spring is a critical component for maintaining precise pressure control in commercial HVACR pneumatic systems

this Williams Comfort Products part is designed to operate accurately regardless of the installation elevation

" where flames exit the heat exchanger

Reliable Lockup: Supports the regulator's ability to maintain control from full flow down to pilot flow

Lennox 15M42 Rollout Switch specifically engineered to open theMaintain critical furnace safety and prevent equipment damage with the Lennox 15M42 Rollout Switch. Designed as a direct fit OEM replacement flame rollout switch, this component is engineered to monitor the burner compartment for abnormal heat conditions. The 15M42 is a single pole single throw (SPST) switch calibrated to actuate at 250 degrees F, effectively interrupting the burner circuit if a flame rollout or excessive thermal event occurs. This