Nordyne 669546R Muffler 321894-709 Reliable Actuation: The normally closed

Reliable Actuation: The normally closed piloted design ensures the valve remains securely shut when de-energized

also identified as the BTG-UWM

By replacing the globe valve packing and internal components

It will close the circuit once the temperature drops below the differential (160°F)

or visible grease leakage

Nordyne 669546R Muffler 321894-709 Reliable Actuation: The normally closedAs a seasoned technician, you know that managing refrigerant pulse and vibration is critical for extending the life of your compressor and preventing brazed joint failures. The Nordyne 669546R Muffler is a direct OEM HVAC replacement part engineered specifically for high pressure refrigerant piping systems. This heavy duty discharge line muffler effectively mitigates acoustic oscillations and mechanical vibrations that lead to system fatigue. With a