Nordyne 903094 Door 318973-401 This Reznor replacement part is

This Reznor replacement part is built to withstand the high-cycle demands of industrial air handling units

6-inch by 15

and a 30-second post-purge to ensure safe combustion chamber conditions

technicians must refer to the specific furnace's installation guide for high-altitude derating and manifold pressure adjustments

the Lennox Y8737 is specifically calibrated for R410A refrigerant and its specific pressure-temperature relationship

Nordyne 903094 Door 318973-401 This Reznor replacement part isThe Nordyne 903094 Bottom Coil Door is a genuine OEM furnace replacement part engineered specifically for mobile home and residential HVAC configurations. As a critical component of the furnace cabinet, this Nordyne replacement door ensures the bottom coil compartment is properly sealed to maintain static pressure and system efficiency. Designed for compatibility with select Nordyne air handlers and gas furnaces, it functions as a direct fit HVAC coil