Nordyne 664344R Check Valve 319847-401 technicians often use this unit

technicians often use this unit with compatible R-12 replacements or retrofit blends

Its corrosion-resistant metal housing and high-quality dielectric construction are designed to withstand harsh outdoor environments and elevated operating temperatures

tangle-free dispensing directly from the bag

Standardized Electrical: Utilizes 115V single-phase power

This versatility is essential for managing complex sequencing in air handling units and terminal terminal unit applications

Nordyne 664344R Check Valve 319847-401 technicians often use this unitThe 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