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Col Mill
My boiler is combi making is making banging noises. 
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montserrat
I have lost the instruction manual and I do not know how to adjust the pressure that goes up and up. I have turned the water flow valve open but now I don't know if it was open or close. Does anyone...
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marhan31
We have a 4 year old Vokera Combi boiler. The system overflow runs most of the time (steady but slow). The boiler pressure does not drop, and in fact the system pressure slowly rises over a day or...

1 to 3 of 3