American Water Heaters Combustion or Blower Vibration

Water heater vibrates excessively or vent rattles during operation.

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.

Possible Causes

Loose blower mounting bolts, Unbalanced blower wheel, Vent pipe not supported, Burner flame instability

Safety: Turn off power and gas before tightening or adjusting components.

1. Tighten blower and vent supports: Check all blower mounting screws and vent pipe hangers; tighten as needed.
2. Inspect blower wheel: Remove blower cover and check for debris or bent blades. Clean or replace blower if damaged.
3. Check combustion: Ensure proper gas pressure and clean burner to maintain stable flame.

Medium 3/5

Draft Inducer Blower Assembly

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