In a typical refrigeration or HVAC circuit

this solid steel rod provides the necessary rigidity to prevent flexing or bowing during high-torque modulating cycles

Common signs include uneven flame heights

maintaining strict operational tolerances

Reznor 164792 Limit Switch Els PW 17895 In a typical refrigeration orThe Reznor 164792 Limit Switch is a critical safety component designed for high limit protection in unit heaters and industrial HVACR systems. As a genuine Reznor OEM replacement part, this L300F high limit switch is engineered to monitor heat exchanger temperatures and interrupt the burner circuit if conditions exceed a safe thermal threshold of 300F. This specific model features a 54 inch capillary tube, providing the necessary reach for precise