Chaffoteaux Mechanical Vibration / Fan Imbalance

Water heater vibrates excessively or rattles when the fan runs.

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 fan mounting screws, Debris in fan impeller, Worn fan bearings, Loose casing panels

Safety: Isolate power before touching the fan or casing.

Tighten casing screws: Check all front and side panel screws and tighten.
Inspect fan: Remove the front cover and visually inspect the fan for debris or damage. Clean the impeller carefully.
Check fan mounting: Ensure all fan bracket screws are tight and any rubber mounts are intact.
Replace fan: If vibration persists and the fan feels rough when spun by hand, replace the fan assembly.

Medium 3/5

Combustion Fan Assembly

Check Price on Amazon

We may earn a commission from links on this page.