York S1-025-27155-000 Expansion Valve 318172-701 If the suction is adequate

If the suction is adequate but the SPST switch remains open

Flexible Installation: Includes inserts and scaling for both horizontal and vertical mounting

000 feet without compromising signal integrity

Pressure switches are safety devices calibrated to specific blower and heat exchanger resistances

York S1-025-27155-000 Expansion Valve 318172-701 If the suction is adequateThe York S1 025 27155 000 is an OEM thermal expansion valve (TXV) engineered to maintain precise refrigerant metering for residential and light commercial evaporator coils. Specifically designed for R 410A refrigeration systems, this valve utilizes a 3 8" ODM inlet and a 3 8" ODF outlet to ensure reliable sweat connections within the liquid line. As a veteran technician knows, accurate superheat control is critical for preventing compressor slugging