Nordyne 664344R Check Valve 319847-401 allowing for longer vent runs

allowing for longer vent runs than traditional direct-vent configurations

The Belimo FSLF120-S is a specialized fire and smoke damper actuator engineered for life safety applications in HVAC systems

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

Using an LBP unit in an HBP application will overload the motor

Nordyne 664344R Check Valve 319847-401 allowing for longer vent runsThe 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