Verify that the system wiring does not rely on a constant hot leg before conversion

extending the lifespan of the HVACR system

and ensures precise timing for pilotless burner ignition and flame sensing

matching all electrical and mechanical specifications

York S1-025-45300-000 Expansion Valve 319847-401 Verify that the system wiringMaintaining precise superheat levels is critical for the longevity of high capacity residential and light commercial systems. The York S1 025 45300 000 Expansion Valve is a genuine OEM thermal expansion valve engineered to meter refrigerant flow with professional grade accuracy. This 3 8 x 5 8 ODF TXV features an ODF (Obstruction Free) sweat connection designed for a leak free interface in R 410A refrigerant circuits. As a veteran preferred S1 025