York S1-025-44125-000 Gas Valve 30067439-890 This kit focuses on the

This kit focuses on the gas manifold and valve transition

Veteran technicians know that aftermarket "universal" valves can cause nuisance lockouts or improper combustion under varying load conditions

This high-reliability low voltage bypass switch allows service technicians or property owners to manually override the set points of an outdoor thermostat (OT)

or if the furnace is frequently locking out due to high-limit temperature spikes caused by improper exhaust flow

Should the heater stay energized while the compressor is running

York S1-025-44125-000 Gas Valve 30067439-890 This kit focuses on theThe York S1 025 44125 000 Gas Valve is a critical OEM replacement component designed for high performance gas regulation in residential heating systems. Operating on a 24VAC coil voltage, this valve is engineered for precision, maintaining a factory set 3. 5" WC outlet pressure for natural gas while supporting up to 10" WC for specialized applications. This specific model features a 1 2" x 3 4" pipe size configuration, ensuring a secure fit and robust