this specific version is designed for the 5-inch diameter "old style" MP953A

F in steam and hydronic heat exchange applications

While primarily designed for IEC and Taco systems

specifically the PF1700-2000 and PB1700-2000 series

As a legitimate York replacement part

Nordyne D07482R Blower Housing 323080-701 this specific version is designedThe Nordyne D07482R Blower Housing is a precision engineered OEM replacement part designed for integration within Nordyne, Nortek, Intertherm, and Miller HVAC systems. Built to heavy duty industrial standards, this housing provides the critical structural enclosure required to secure the blower motor and maintain optimized laminar airflow across the heat exchanger or evaporator coil. Constructed from high grade galvanized steel, the D07482R is