Trane VAL20399 Gas Valve 319825-402 always replace a L185F switch

always replace a L185F switch with an identical L185F rated 78H74 control

Broad ICP Compatibility: Engineered for seamless integration with Heil Quaker

Replacing a failing sensor with this genuine Carrier part eliminates the calibration DRIFT and signal interference often found with lower-quality aftermarket alternatives

What are the contact ratings for this part

Trane VAL20399 Gas Valve 319825-402 always replace a L185F switchThe Trane VAL20399 is an essential 3 4x3 4 Service Gas Valve specifically engineered for high performance gas furnace repair and commercial HVAC applications. This OEM Trane service valve features a robust 0. 75 ODS x 0. 75 ODS connection with female braze ports, ensuring a leak free interface in demanding environments. Designed for left hand mounting, this replacement gas valve provides precise fuel regulation and a reliable point of entry for