For optimal longevity and to prevent sediment buildup in the normally closed solenoid armature

Broad Compatibility: Standard 1/2-inch diameter drive hub mounts directly to damper shafts

This part effectively replaces Bunn 03093

extending the service life of the blower motor and housing

ideal for multi-zone damper assemblies

Trane BLW0521 Blower Assembly THPU32HP7Y For optimal longevity and toThe Trane BLW0521 (also identified as BLW00521) is a heavy duty, 208 230V combustion blower assembly designed for high demand HVAC induction applications. This OEM replacement assembly features a dual speed motor capable of operating at 2800 1500 RPM with 1 45 HP, providing critical draft induction for efficient furnace combustion cycles. Engineered to withstand the thermal stress of modern heating systems, the BLW0521 includes an integrated high