As an authentic Mestek replacement part

Is the 7/8" sweat connection compatible with standard ACR tubing

SPDT switch logic provides flexibility to wire for open-on-rise or close-on-rise sequences

gas-fired boilers

York 025-53822-000 Valve Freon As an authentic Mestek replacementThe York 025 53822 000 ETS250 is a reliable thermal expansion valve designed for precise refrigerant flow control in commercial and residential HVAC systems. Built with a 1 5 8" ODF connection, this TXV valve ensures accurate superheat regulation, improving system efficiency and protecting the compressor from floodback. It is commonly used in York air conditioning units and is suitable for retrofit or replacement applications where consistent metering