Lennox 15W77 Blower Wheel 321894-709 This factory-authorized OEM replacement part

This factory-authorized OEM replacement part is rated at 300°F and utilizes a Manual Reset SPST (Single Pole Single Throw) configuration

For field technical support

As a direct replacement for MA-7203 and MA40-7073

If your local code requires manual reset for the low water cut-off

Lennox 15W77 Blower Wheel 321894-709 This factory-authorized OEM replacement partThe Lennox 15W77 Blower Wheel is a precision engineered direct drive blower wheel designed for high efficiency airflow management in commercial and residential HVAC systems. Featuring an 11 inch diameter and 10 inch width, this OEM Lennox replacement part (replaces LB 29333BDC) provides the necessary centrifugal force to maintain consistent indoor temperatures. The 1 2 inch bore ensures a secure fit on standard motor shafts, while the CCW (Counter