If the motor fails to reach the required RPM

The Weil-McLain 450-021-242 isolates the combustion chamber from external wind conditions and chimney draft variations

It is frequently found in Armstrong

this model is a standard choice for VAV terminal units and small multizone dampers

Featuring a 48 Nema frame

York S1-7990-6451 Inducer Assembly R-410A If the motor fails toThe York S1 7990 6451 Inducer Assembly is a high performance draft motor designed for direct replacement in specific York, Coleman, and Luxaire gas fired furnaces. This 120V, single stage centrifugal blower operates at 2950 RPM, ensuring positive pressure is maintained to exhaust combustion gases through the flue pipe effectively. Engineered to meet OEM specifications, this assembly features a robust motor housing and a precision balanced impeller to