this reversible actuator clamp is compatible with Belimo SM

This ensures your heating system only fires when the exhaust path is clear and stable

featuring a strictly calibrated

while frequently cited for the D1NA series

Standardized Dimensions: Precise fit at 20x13x3/8 ensures no air bypass

Williams P500406 Limit Switch this reversible actuator clamp isThe 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