including 48HG and 48WGD rooftop units

this OEM York furnace part ensures a normally closed circuit that opens under fault conditions to prevent equipment damage and hazardous venting

This SPDT air pressure switch is factory-calibrated to a 0

Featuring a cadmium-plated steel construction

Failure usually results from wire drawing caused by high-velocity fluid across the seat or wire erosion from debris like welding slag

Nordyne 903902 Heater Element 319847-401 including 48HG and 48WGD rooftopThe Nordyne 903902 Heater Element is a heavy duty OEM replacement part engineered for high performance electric furnaces and air handlers. Rated at 5. 4KW at 240V, this resistance heating coil provides the thermal output necessary for residential and light commercial HVAC applications. As a direct fit component, it eliminates the need for field modifications, ensuring compatibility with Nordyne, Intertherm, Miller, and Broan electric furnace series.