Nordyne 669546R Muffler 321894-709 also identified as the BTG-UWM

also identified as the BTG-UWM

You should verify your specific model number against the parts manual to ensure this elbow matches your collector box configuration

it is a drop-in replacement part

By replacing the globe valve packing and internal components

Nordyne 669546R Muffler 321894-709 also identified as the BTG-UWMAs 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