Immergas
Mechanical Vibration / Mounting Fault
Water heater vibrates excessively or rattles when the fan or pump runs.
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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
Loose mounting screws, Worn fan bearings, Pump cavitation due to air, Loose internal panels or pipe clips
How to Fix / Troubleshooting
Safety: Disconnect power before tightening any components.
- Check wall mounting: Ensure the Immergas unit is firmly fixed to the wall and not rocking.
- Tighten internal screws: Gently tighten loose screws on the fan, pump brackets, and internal panels.
- Bleed air from system: Remove air to prevent pump cavitation, which can cause noise and vibration.
- Inspect fan and pump: If bearings are noisy or there is play in the shafts, the components may need replacement.
Note: Persistent vibration can damage pipework; address promptly.
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Repair Difficulty
Medium
3/5
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