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

Specifically designed for Watts Series 3001 and compatible with several other models in the RK-3000 collection

Adjustable water detection sensitivity

The McDonnell & Miller 354141

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

Nordyne 664344R Check Valve 326070-701 Key Benefits Dual-Action Core: CombinesThe 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