Brötje
Mechanical imbalance / mounting issue
Furnace causes strong vibration transmitted into the flue or wall
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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
Imbalanced fan wheel, Loose mounting brackets, Flue not properly supported, Pump cavitation due to air
How to Fix / Troubleshooting
Safety: Turn off power before tightening mounts or accessing the fan.
- 1. Check wall brackets: Ensure the Brötje wall-hung boiler is firmly fixed to the wall and all mounting points are tight.
- 2. Inspect flue supports: Verify that the flue is properly supported and not acting as a lever amplifying vibration.
- 3. Fan inspection: Have a technician inspect the fan wheel for damage or imbalance and replace if necessary.
- 4. Bleed system: Remove air from the system to prevent pump cavitation, which can cause vibration.
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Repair Difficulty
Medium
3/5
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