Rotation Direction: Clockwise Lead End (CWLE) configuration to align with original fan blade pitch

providing a clear

This part is commonly found in the Smart System control panels of Knight boilers and many A

the York S1-431-01972-100 is specifically designated as the modern replacement for that part number

this lubricated sleeve bearing minimizes radial play and heat buildup

Fasco 50747-D500 Vent Assembly 318820-201 Rotation Direction: Clockwise Lead EndThe Fasco 50747 D500 Vent Assembly is a high performance centrifugal blower designed for critical draft inducer applications in furnaces, water heaters, and pellet stoves. Engineered for 115V operation, this single speed unit features a shaded pole motor that delivers approximately 60 CFM at a rated 3000 3200 RPM. As a frequent HVAC replacement part for diverse internal OEM componentsincluding references such as 7021 2373 and 7021 4735it offers a drop