Intergas Condensate Leakage from Flue System

Condensate water dripping from flue joints or boiler casing

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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 seals, Cracked flue pipe, Blocked condensate drain path

How to Fix / Troubleshooting

Safety first: Turn off the boiler. Flue gases can be hazardous; only qualified personnel should dismantle the flue.

Technician steps:

  • Inspect flue slope: Ensure the Intergas flue is installed with the correct fall back to the boiler or to a condensate drain as specified.
  • Check seals: Disassemble suspect joints and inspect O-rings and seals. Replace any damaged seals with OEM parts.
  • Examine flue sections: Look for cracks or damage in flue pipes and replace as necessary.

After repair, perform a flue integrity test according to local regulations.

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Repair Difficulty

Professional Required 5/5

Required Part

Flue kit
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