The R400Z series typically requires proper venting according to local codes

a separate bonnet kit (RK 800M4-B) would be required

Common Questions: Which heating models are compatible with the Reznor 53330

Is the Heil Quaker 1176645 a direct replacement for 5HP motors

Does this socket include the thermal overload relay

Nordyne 904822 Burner Assembly 326010-701 The R400Z series typically requiresThe Nordyne 904822 Burner Assembly is a direct OEM replacement burner engineered for Intertherm, Miller, and Nortek non condensing gas furnaces. This complete manifold kit is the professional solution for restoring proper combustion in furnace model 072C T24B1 and similar mobile home heating units. As a comprehensive assembly, it includes the 624775 gas valve, a durable 661134 inshot burner, the 632484R flame sensor, and an aluminized steel burner