how can i stop the loud noise coming from my Glow worm fuel saver F55?
my boiler is making a terrible noise when it reach's temperature , I have been told that it could be a heat exchanger required please do you have any other ideas . please help me !
It sounds like "kettling "- a build up of limescale, etc, in the boiler and primaries.
Add some system descaler and leave for recommended time, drain, flush, refill add inhibitor and see how it goes.
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