Nordyne 903977 Door Assembly 340155-7024 The heavy-duty aluminum construction is

The heavy-duty aluminum construction is reinforced by a corrosion-resistant center spider to withstand outdoor exposure and high-cycle operation

40" wc (water column) with a Single Pole Single Throw (SPST) electrical configuration

Common Technician Questions Is the 257472 kit compatible with Liquid Propane (LP) units

5-inch overall length and moisture-resistant lead wires for long-term reliability in varying temperatures

For burners that operate continuously without cycling

Nordyne 903977 Door Assembly 340155-7024 The heavy-duty aluminum construction isThe Nordyne 903977 Door Assembly is a critical OEM HVAC replacement part engineered specifically for mobile home and residential furnace cabinets. This heavy duty assembly, featuring an integrated door latch, provides an airtight seal that is essential for maintaining proper static pressure and furnace efficiency. Designed as a direct application for Nordyne furnace modelsincluding the popular M3RL seriesthis component ensures the blower compartment