Williams P500406 Limit Switch While light carbon buildup can

While light carbon buildup can sometimes be removed with a fine abrasive

While designed specifically for McDonnell & Miller RS sensors

This temperature and pressure relief valve is designed for Bradford White units with 1-inch insulation

Field technicians utilize the S1-025-31835-000 to resolve issues related to short-cycling and blower motor timing

ensuring a zero-play connection between the actuator and damper blades

Williams P500406 Limit Switch While light carbon buildup canThe Williams P500406 Limit Switch is a critical safety component designed for precise thermal regulation in Williams Monterey top vent heaters and furnace gas valves. Engineered with a 270 degree Fahrenheit Cut Out, this Manual Reset (M R) limit switch serves as a reliable failsafe, interrupting the electrical circuit to the gas valve if internal temperatures exceed safe operating parameters. This specific HVAC high limit control is essential for