Pay in 4 interest-free payments of $9.45 Learn more
Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
Professional contractors utilize this valve bonnet kit to upgrade legacy terminal unit systems or replace failed components without replacing the entire valve assembly
ensuring exact fit and pin alignment
this 410169001 limit switch is the standard component for restoring factory-spec safety operations
WeatherKing
Common Technician Questions: Why does the L290F thermal switch keep tripping
Williams P200200 Fan Switch Professional contractors utilize this valveThis Williams P200200 Fan Switch is a critical OEM replacement fan control designed for precise thermal management in Williams Forsaire and Magnum series furnaces. Engineered with a setpoint of 120F ON and a 15F differential, this SPST (Single Pole Single Throw) switch operates on a normally open circuit. It triggers fan activation once the plenum reaches the 120F threshold to ensure efficient heat exchange and prevent short cycling. As temperatures