York S1-3390-00 Valve 320734-701 this sensor prevents excessive ice

this sensor prevents excessive ice accumulation on the outdoor coils

This 375V potential relay features a 3-screw terminal panel mount design

specifically designed to interface with multi-stage furnace induction systems

Ensuring correct HVAC furnace ignitor troubleshooting involves checking the terminal connections and verifying 120V at the inducer signal to confirm the 41-602 is receiving proper power for ignition

York S1-3390-00 Valve 320734-701 this sensor prevents excessive iceThe York S1 3390 00 Solenoid Valve is a heavy duty, pilot operated component engineered for precise refrigerant metering in commercial and residential HVACR systems. This assembly features a 3 8 ODF (Outside Diameter Female) sweat connection, allowing for a secure, leak free braze into the liquid or suction line without the need for extensive disassembly. Operating at 230V, the included solenoid coil facilitates rapid actuation, ensuring the system