Nordyne 664344R Check Valve L99H008 This assembly features a stainless

This assembly features a stainless steel ball and stem to resist scaling and corrosion

it will automatically close once the pressure falls to 310 PSI

critical for maintaining system efficiency and preventing delayed ignition lockouts in residential and commercial forced-air equipment

Broad Compatibility: Fits various York HVAC systems

Nordyne 664344R Check Valve L99H008 This assembly features a stainlessThe Nordyne 664344R is a high performance R410A 3 Ton TXV Check Valve designed for precise refrigerant metering in residential and light commercial HVAC systems. This OEM Nordyne replacement part acts as a critical thermal expansion device, sensing evaporator temperature and pressure to regulate flow and maintain the ideal superheat. Engineered for 3 ton capacity units, the 664344R check valve ensures consistent cooling performance and prevents