Trane VAL9574 TXV 321702-401 If the furnace blower runs

If the furnace blower runs constantly while the burners fail to ignite

Optimized Airflow: Engineered to provide the specific CFM output required for safe flue gas venting

providing a robust maximum flow rate of 143 GPM and up to 26 feet of head

maintaining the original equipment’s UL certification and performance standards

Leak-Free Integration: High-tolerance threading ensures a secure seal for pneumatic pilot positioners and sensing lines

Trane VAL9574 TXV 321702-401 If the furnace blower runsThe Trane VAL9574 is an 8 ton thermostatic expansion valve (TXV) designed for high capacity R 410A refrigerant systems. This OEM refrigerant metering device features a 5 foot capillary tube and a 1 2" x 7 8" brazed connection profile, ensuring a precise fit in heavy duty air handlers and evaporator coil assemblies. Engineered for durability, the VAL9574 utilizes a forged brass body and a stainless steel power element to resist corrosion in demanding