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- 19 Jan 2022
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Hi, I had a new boiler installed about a month ago and I've noticed the external wall seems to constantly damp. The patch seems to be originating at the condensate pipe hole? It seems to be seeping through to the internal wall as I've noticed a couple of small patches of damp under the boiler particular on the opposite side of the wall to the metal prong (pressure relief valve?). Does this look normal or should I call back the plumbers who installed it to have a look? Hope the pic has attached. Thanks