York S1-026-25529-701 Blower Wheel Freon What causes the F09 fault

What causes the F09 fault code on Advantage Plus units

This HVAC gas valve replacement is a direct match for many York furnaces and rooftop units

Automatic Reset: Deactivates at 170 degrees Fahrenheit and resets at 140 degrees

the thermocouple and pilot burner should be cleaned and tested for millivolt output during annual preventative maintenance

Critical Safety Mechanism: Prevents the accumulation of hazardous flue gases by verifying negative pressure in the blower housing

York S1-026-25529-701 Blower Wheel Freon What causes the F09 faultThe York S1 026 25529 701 Blower Wheel is a high performance OEM replacement centrifugal fan wheel designed for precise airflow management in residential and commercial York air handlers and furnaces. Engineering for a 12 x 12 inch configuration, this double inlet wheel features a 1 inch bore and is specifically balanced for counter clockwise (CCW) rotation. It serves as the direct, drop in successor to the S1 026 25529 001, ensuring a perfect fit