Nordyne 669546R Muffler 321894-709 This millivolt gas valve sensor

This millivolt gas valve sensor includes an integrated mica washer to provide superior insulation and prevent shorting under high-stress conditions

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

Nordyne 669546R Muffler 321894-709 This millivolt gas valve sensorAs 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