York S1-025-45292-000 Expansion Valve 323613-751 the /U suffix typically denotes

the /U suffix typically denotes a "Unit" or trade-packaged version of the same technical component

and RPB series unit heaters

the Maxitrol 325-5-1 does not include a 12A39 vent limiting device by default

This OEM replacement limit switch features a 150-190F temperature range

When these pool heater limit switches fail

York S1-025-45292-000 Expansion Valve 323613-751 the /U suffix typically denotesThe 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