Williams P500406 Limit Switch Engineered for high-accuracy thermal monitoring

Engineered for high-accuracy thermal monitoring

and 1/2" Stroke for 12 PSI Span SPRING FOR 5/16-1/2"

Is the mounting orientation critical for performance

Engineered for high-performance sealing

Williams P500406 Limit Switch Engineered for high-accuracy thermal monitoringThe 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