York S1-025-27155-000 Expansion Valve 318172-701 engineered specifically as a low

engineered specifically as a low signal selector relay

preventing the nuisance lockouts often caused by debris or hairline fractures in aged

Ensure the bulb end is securely fixed to the evaporator surface or within the designated airflow path for accurate thermal transfer

If the suction is adequate but the SPST switch remains open

ensuring precise electrical matching with factory specifications

York S1-025-27155-000 Expansion Valve 318172-701 engineered specifically as a lowThe 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