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Hi, I hope someone can help. I have an Icos HE15 boiler (bad boiler I know but only fitted in feb 2010 in the kitchen). It makes loud banging noises for about an hour every morning. I think this may be Kettling as it sounds like bubbles inside the boiler and metal contracting. The...

Hi All, Hope someone can help with this problem. I have recently moved into a new house with an Icos HE15 (only fitted in Feb). Note: I have very little knowledge of CH and plumbing. The boiler seems to function fine and does not return any error codes or cut out etc but when it starts...