Noisy Boiler (Baxi Bermuda) Help and information on all topics relating to your central heating, air conditioning and ventilation issues.

[raymond45]

I have recently had central heating problems. The pump was replaced but since then the boiler is making kettling sounds. I have tried varying the speed of the new pump but this doesn't cure the problem or reduce the noise. Could this be caused by a build up of sludge or scale? If this is the case could it be flushed.

[ianr]

Sounds like air in the system as result of the pump change, if it has an auto air bleed it may be a simple case of turning on the filling loop until the pressure in the system reaches a stable presure of between 2-3 bar then turn off the filling loop. If the auto air bleed is working then the air will be removed by the addtional water.

If this doesnt cure it, I would suggest you invite your plumber back to complete the job they started.

[htg engineer]

The Baxi Bermuda is a back boiler therefore there wont be a filling loop or pressure gauge on the boiler.

Read the post by SALLYTB