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High Amperage Rating: Engineered to handle inductive loads typical of contactor coils and motorized actuators
This versatility is essential for managing complex sequencing in air handling units and terminal terminal unit applications
This unit supports a maximum working pressure of 175 psi and an operating temperature range of 33°F to 180°F
technicians often use this unit with compatible R-12 replacements or retrofit blends
Nordyne 664344R Check Valve 319847-401 High Amperage Rating: Engineered toThe 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