High Pressure Rated: UL listed for operating pressures up to 650 PSIG

Key Benefits Dual-Action Core: Combines 80% molecular sieve for moisture removal with 20% activated alumina for superior acid adsorption

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

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

Always install the sensor on insulated conductors to ensure safe operation and compliance with local electrical codes

Nordyne 664344R Check Valve 326070-701 High Pressure Rated: UL listedThe 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