Adjustable water detection sensitivity

3 red flashes typically indicate a pressure switch that failed to close

Thermal Protection: Prevents nuisance tripping by staggering the electrical draw of resistive heating elements

The McDonnell & Miller 354141

SPNO Close On Fall Logic: Direct electrical match for specific York and Coleman inducer motor pressure monitoring

Nordyne 664344R Check Valve 326070-701 Adjustable water detection sensitivityThe 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