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Posted by roy hardwick on December 17, 2006 at 15:40:12:
In Reply to: Heating but no hotwater posted by Confused on January 05, 2007 at 18:03:48:
: I have a vaillant combi boiler.
: When the heating is on and fired up heating the water for the radiators, when I turn the tap on, I have running hot water.
: If the boiler is not fired up heating the water for the radiators it isn't firing up to heat the water when I turn the tap on.
: If I turn the boiler to tap only, it isn't firing up to heat the water for the tap as it should.
: I live in a hard water area and the boiler is only about 5 years old.
: TIA
: Any help and advice muchly appreciated :)
check your recirculating pump for the hot water system, if it is running okay check the lines as they may be plugged