Condensate pipe dripping heavily or gurgling noises from boiler
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.
Possible Causes
How to Fix / Troubleshooting
Safety first: Condensate is mildly acidic; avoid skin contact and wear gloves if handling. Turn off the boiler before any work.
User checks:
- External pipe routing: Ensure the external condensate pipe is not kinked or visibly blocked.
- Freezing risk: In cold weather, insulate exposed condensate pipe where possible.
Engineer tasks: Remove and clean the condensate trap inside the boiler, correct pipe fall, and flush any blockages.
Repair Difficulty
Required Part
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