Vokera
Condensate / Flue Drainage Issue
Water heater’s flue terminal drips large amounts of water or stains the 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
Incorrect flue slope, Blocked condensate trap, Damaged flue seals, Excessive condensate due to low return temperatures
How to Fix / Troubleshooting
Safety first: Do not attempt to dismantle the flue yourself. Condensate is mildly acidic; avoid prolonged skin contact.
User checks:
- Observe whether the condensate pipe is discharging normally to a drain.
- Note any water marks around the flue terminal and report to the engineer.
Engineer steps:
- Inspect the flue installation for correct fall back to the appliance.
- Check and clean the condensate trap and pipework.
- Replace any damaged flue seals or joints.
Flue integrity is critical for safety; only qualified personnel should work on it.
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Repair Difficulty
Hard
4/5
Required Part
Condensate Trap / Flue Seals
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