This valve features a 5/8" ODF sweat inlet and a 7/8" ODF sweat outlet

It features a rugged stainless steel diaphragm and dual SPST switches that break simultaneously upon pressure rise

the SA69-104 facilitates proper boiler control maintenance by protecting the sensitive bellows and float from debris

Nitride systems require the 50A65 series to prevent premature igniter failure

Nordyne 920666A TXV THPU32HP7Y This valve features a 5/8"The Nordyne 920666A TXV is a critical OEM component designed for 4 ton R 22 HVAC systems. This thermal expansion valve is engineered to maintain a precise superheat by regulating the flow of R 22 refrigerant into the evaporator coil, preventing liquid slugging and ensuring compressor protection. As a genuine Nordyne replacement part, it eliminates the calibration issues often found with universal aftermarket valves, providing a direct fit for 4 ton