Raypak Mechanical Vibration / Blower Noise

Heater is very noisy – loud blower, rattling, or vibration 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 bearings, Loose mounting hardware, Debris in blower wheel, Cabinet panels not secured

How to Fix / Troubleshooting

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

Steps to reduce noise and vibration:

  • Check cabinet panels: Ensure all access panels are properly seated and screws are tight.
  • Inspect blower assembly: Remove blower access and check for debris in the blower wheel. Clean carefully.
  • Tighten mounts: Tighten blower mounting bolts and any loose brackets.
  • Replace blower if worn: If the blower shaft has play or makes grinding noises, replace the blower assembly with a Raypak‑approved unit.

Note: Excessive vibration can damage wiring and controls over time.

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Repair Difficulty

Medium 3/5

Required Part

Blower Assembly
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