Trane WHL0488 Blower Wheel R-22 SPST Configuration: Simplified Single-Pole Single-Throw

SPST Configuration: Simplified Single-Pole Single-Throw design allows for clean

If the trap is failing open (wasting steam) or if there is visible erosion on the seating surface

it is thermally protected to handle high-demand cycles while maintaining a maximum flue gas temperature rating of 750°F

For veteran technicians servicing York or Johnson Controls equipment

Trane WHL0488 Blower Wheel R-22 SPST Configuration: Simplified Single-Pole Single-ThrowOptimizing airflow within central air handlers and furnace assemblies requires high precision components like the Trane WHL0488 Blower Wheel. This OEM Trane replacement part is engineered for double inlet centrifugal fan applications, measuring 10. 6" diameter by 10. 6" width. Designed with a clockwise (CW) rotation and a standard 1 2" bore, it ensures a secure fit on the motor shaft using a dedicated set screw mount. The wheel utilizes a forward