Sta-Rite
Blower Bearing Wear / Mechanical Noise
Heater fan or blower is extremely loud or squeals during operation
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Worn blower motor bearings, Debris in blower wheel, Loose mounting hardware
How to Fix / Troubleshooting
Safety: Turn off power before touching the blower assembly. Moving parts can cause injury.
- Inspect blower wheel: Remove the blower cover and check for leaves or debris lodged in the wheel. Clean carefully.
- Check mounting bolts: Tighten any loose screws or bolts securing the Sta-Rite combustion blower to the cabinet.
- Spin blower by hand: With power off, rotate the blower wheel. Roughness or grinding indicates bearing failure.
- Replace blower assembly: Install a new Sta-Rite blower motor/wheel assembly if noise persists or bearings are worn.
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Repair Difficulty
Medium
3/5
Required Part
Combustion Blower Assembly
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