Reznor 210855 Limit Switch 318518-761 typically in the thermostat wiring

typically in the thermostat wiring or a failing contactor coil

and clean rooms

which monitors motor rotation and provides electronic overload protection throughout the full 95° stroke

Blower Bearing1" W/Grease Cup

Reznor 210855 Limit Switch 318518-761 typically in the thermostat wiringThe Reznor 210855 Limit Switch is a critical high limit safety component designed for precise thermal monitoring in commercial unit heaters and air handlers. Engineered as an L240F manual reset limit switch, this device is calibrated to trip at 240F, effectively interrupting the power supply to the heating circuit to prevent unit damage or safety hazards. This specific HVAC high limit control features a 60 inch capillary, providing the necessary reach