Wolf
Condensate / Flue Drainage Issue
Boiler flue terminal dripping water or staining 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, Failed flue joint seals, Condensate not draining back to boiler, Cracked flue components
How to Fix / Troubleshooting
Safety: Flue gases are hazardous. Do not dismantle flue components yourself.
- Observe drip location: If water drips from flue joints or wall penetration, note the exact area.
- Check condensate pipe: Ensure the condensate drain from the boiler is not blocked or frozen.
- Do not seal over flue joints: Avoid using silicone or tape on flue joints; this can trap condensate and flue gases.
- Technician tasks: A heating engineer must inspect the flue system, correct the slope, replace damaged seals or sections, and ensure safe operation.
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Repair Difficulty
Hard
4/5
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