This single pole high pressure control features a close high open low switch action

immediately disconnecting power to the gas valve to prevent heat exchanger damage or unsafe rollout conditions

Also recognized by the alternate part number 93J3101

Is this regulator suitable for moist air environments

Will this replace a 24V gas valve

Williams P323366 Limit Switch 320735-701 This single pole high pressureThe Williams P323366 Limit Switch is a critical high limit safety component designed for Williams Forsaire Electric Furnaces and specific direct vent heating systems. This L240 40F limit switch features a bimetallic disc that monitors internal plenum temperatures to prevent thermal overstressed conditions. When the temperature reaches the fixed 240F trip point, the switch opens the circuit to interrupt power to the heating elements or gas valve,