Is it bad if the boiler sounds like a plane?

It’s started making this really loud whirring noise every time it kicks in. Is that dangerous or just annoying? Not sure if I should switch it off and call someone

Asked by Bill on 12th Aug 2025
Expert Trade Answers
"Yes I would beek a engineer as this could be a fan issue"
Answered on 12th Aug 2025 - Member since Aug 2022 - report
"Hi Bill, I would recommend booking an engineer, it could be a fan issue, or an issue with the circulating pump. Thanks Will"
Answered on 12th Aug 2025 - Member since Jun 2025 - report
"Could be the fan bearings on there way out. Older boilers can be serviced/oiled to prevent from failing. Newer will just fail and need replacing."
Answered on 26th Aug 2025 - Member since Aug 2025 - report
"Yes turn the boiler off and then call a gas safe registered engineer like me"
Answered on 26th Aug 2025 - Member since Oct 2024 - report
"Hi, it's not likely to be immediately dangerous, but could be the fan, pump or gas valve. Best to get an Gas Engineer booked for a diagnostic appointment."
Answered on 13th Aug 2025 - Member since May 2025 - report
"Might be a pump or a fan that’s worn. Or might be air/gas mixture fault. For your own safety you should have it checked by a gas safe engineer"
Answered on 14th Aug 2025 - Member since Aug 2025 - report
"Everything wants doing wrong with the boiler is not safety. I my opinion fan need to be changed."
Answered on 14th Aug 2025 - Member since Dec 2024 - report
"Hi bill,
It sounds like you could have a problem with the Fan , pump or Gas valve . What make and model of boiler is it??

Thanks Gerry"
Answered on 12th Aug 2025 - Member since Apr 2025 - report
"Hi

Yes this could be a number of problems. Gas valve .fan .heat exchanger.

I would get boiler looked at ."
Answered on 12th Aug 2025 - Member since Jan 2023 - report
"It sounds like there might be something there. It might be best to call someone jsut to give it a check. It might need a service or sounds like something on the waterside but without seeing the boiler i can not say."
Answered on 19th Aug 2025 - Member since Jul 2025 - report
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