York S1-025-43225-000 Expansion Valve 30067439-890 Why is my furnace flashing

Why is my furnace flashing a 4-light code

it is optimized for managing resistive loads in electric baseboards

Dead-End Lockup Security: The lever-acting linkage ensures a tight seal at zero flow

The adaptor is included to bridge the connection between different harness styles found across the B1401018S and 0230K00001 product lines

stable fit

York S1-025-43225-000 Expansion Valve 30067439-890 Why is my furnace flashingThe York S1 025 43225 000 Expansion Valve is a precision engineered 4 Ton TXV designed specifically for R410A refrigerant systems. This OEM thermostatic expansion valve features 3 8 x 3 8 ODF connections and a 31 inch capillary tube, ensuring accurate superheat control across varying load conditions. As a critical metering device, it manages the flow of liquid refrigerant into the evaporator coil, preventing liquid slugging and protecting the