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Hi, guys and gals.... I have a vaillant 937 in my house and recently the hot water has begun to feel colder, the outside water temperature of the mains has not even dropped that low yet? I have gas rated it and it is running about 35kw.... The system is clear and has a magnabooster fitted, I am...

Hi, has anyone out there had dealings with baxi or the like about the plume management kit? For example the air intake is that large, when it rains and boy have we had rain..... Water pours through the outer flue causing the boiler to leak rain water internally through the bottom of the...