York S1-025-45292-000 Expansion Valve Freon If the external valve body

If the external valve body shows no signs of mechanical damage or corrosion

installing this OEM-spec lower tank sensor is essential to restore the correct firing sequence and prevent short-cycling

This assembly features a robust thermopile and thermocouple configuration designed to maintain a consistent millivolt signal to the gas control valve

Corrosion-resistant stainless steel ball and stem compatible with chilled or hot water and up to 60% glycol solutions

Why is the valve chattering or buzzing

York S1-025-45292-000 Expansion Valve Freon If the external valve bodyThe York S1 025 45292 000 is an OEM Thermostatic Expansion Valve (TXV) engineered for high precision refrigerant metering in R 410A air conditioning and heat pump systems. Featuring a 3 8" x 5 8" ODF sweat connection, this 4 ton expansion valve is a critical replacement component for maintaining optimal superheat levels and protecting compressors from liquid slugging. As a factory authorized York HVAC part, the S1 025 45292 000 is designed to match