Hang on...just noticed you've said overflow pipe. Is it a condensing combi, and is this a plastic pipe about 20mm diameter? Or do you mean a 15mm copper pipe from the pressure relief?
Hi, i am having a similar problem, i have water trickling out of the plastic pipe out side, it has been constant now for 3days. the pressure on my gauge is nearly at 3. i have tried to turn it down but nothing is happening when i do.
please could you give me some advice on what i can do
It is better to start anew. Your boiler is not the same model as what is mentioned in the original post. Your boiler model would help, also, service history detail would assist. The problem you are having is often due to lack of proper service and care
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