Built for versatility in the field

when used with the appropriate VG7000 stainless steel trim valves

As a critical component for maintaining head pressure and ensuring proper heat transfer across the condenser coils

this assembly replaces previous part numbers 31J3501 and NCO-31J35

Trane VAL20399 Gas Valve 321142-301 Built for versatility in theThe 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