Verify your old motor's rotation to ensure compatibility with your current blower wheel pitch

Because steam boiler controls operate in high-pressure

20 PSI Max Boiler Pressure

Common Questions Can this valve be installed in any orientation

Lennox 25M53 Fan Blade 328140-751 Verify your old motor's rotationThe Lennox 25M53 Fan Blade is a precision engineered OEM replacement part designed for high performance heat rejection in residential condensing units. This 24 inch 3 blade fan features a 29 degree pitch and a 1 2 inch bore, ensuring optimal static pressure management and airflow efficiency. Constructed with a hub on the discharge side, it is designed for CW facing discharge rotation, making it a direct match for specific Lennox HSXA15 and HSXA19