noisy boiler

[feltham]

hi i have a remeha avanta 28c boiler and its making a sort of vibrating noise from the heat exchanger as it goes into hi fire when calling for hot water.
heating and hot water seem to be working ok.
any help will be amazin thanks .

 

[newbie1]

sounds blocked it isnt more boomy like excess gas pressure is it

 

[feltham]

boomy? how do you mean.
checked the gas pressure and it seems ok i am having it upgraded soon tho.
what sounds blocked?

bump......

 

[migoplumber]

only met this problem once and we fit an avanta weekly. one of the screws on the casing was loose, with its washer 'tapping' the combustion chamber.