Williams P500406 Limit Switch Are these compatible with both

Are these compatible with both ASME and non-ASME headers

Engineered for high-accuracy thermal monitoring

ideal for system balancing or temporary servicing

Engineered for high-performance sealing

Made in the USA kit is the professional standard for preventative maintenance and verifying successful system cleanup after acidic contamination treatment

Williams P500406 Limit Switch Are these compatible with bothThe 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