Williams P321942 Limit Switch 321042-401 While the motor design requires

While the motor design requires a capacitor for operation

while the high-fire switch is rated for a 0

Industrial Build: Features a standard 48 frame and sleeve bearings for quiet

though technical documentation indicates it is designed for compatibility with specific OEM fan rotations found in 21 frame configurations

it restores 24V circuit continuity and maintains optimal system efficiency for long-term operational reliability

Williams P321942 Limit Switch 321042-401 While the motor design requiresThe Williams P321942 Limit Switch is a critical OEM safety component engineered for Williams Forsaire Direct Vent Wall Furnaces and 6007 Series counterflow units. This temperature sensitive switch, classified as an L210 40F limit switch, monitors plenum air temperature to prevent heat exchanger damage and hazardous overheating conditions. As a technical HVAC replacement part, it is designed with a normally closed contact configuration that opens the