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Discuss Vaillant boiler noise in the Boilers area at Plumbers Forums
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Does this noise remind you of a Trombone?
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Your engineer needs to revisit and adjust the co2 on low rate on the gas valve , also check on high rate this is can only be done by GSI with a flue gas analyser. Kop
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If it was a rattle and hum i'd say it could be U2.
If this rumble is like water boiling then it won't be combustion as I first suspected. Your Engineer needs to hear/witness it as you know but he/she should be able to solve it once they have.
If this rumble is like water boiling then it won't be combustion as I first suspected. Your Engineer needs to hear/witness it as you know but he/she should be able to solve it once they have.
I have a video of the boiler making the noise which I attached at the start of this thread but it doesn’t work for some reason!?!
J
James Brent
I know its been a few years but hoping you see this.. have this issue and the sound does remind me of a loud Trombone.. Is it the Co2 thing mentioned below?
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Still here!
It could be, yes.
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Thank you for reply. I have isolated the noise...
That's good to know - thank you
Thanks a lot for your help
Issue has now been resolved!