Intermittent dripping from boiler pipe outside

I have a combo boiler and the pipe outside is connected to my drain pipe. Every so often I can hear water dripping into the drain pipe but not all the time. Is there a problem of is this normal? The pressure is ok on the boiler.

Asked by Lisa on 8th May 2025
Expert Trade Answers
"Hi
It’s normal it’s coming from the condensation pipe on boiler"
Answered on 8th May 2025 - Member since Sep 2023 - report
"Yes it's normal. It's just the condensing pipe letting off"
Answered on 8th May 2025 - Member since Sep 2023 - report
"Hello . I believe thats condense pipe - when boiler producing hot water or heating -thats normal process - however please make sure - the pipe termination is correct.
Best.rob"
Answered on 8th May 2025 - Member since Jan 2024 - report
"It’s okay, it’s condensation from the boiler going down the pipe"
Answered on 8th May 2025 - Member since May 2024 - report
"Based on your description, youre talking about the condense pipe, and that's totally normal, the condense trap inside the boiler drains when is full ."
Answered on 8th May 2025 - Member since Dec 2024 - report
"This sounds like the condensate pipe from your boiler - this is usually a white plastic pipe. If this is the case then its totoally ok."
Answered on 9th May 2025 - Member since Nov 2024 - report
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