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System details:- condensing boiler with fully pumped Heating & H/W open vented Due to proposed building works at home I want to move the hot water cylinder from upstairs, to downstairs next to the boiler, but to save work I would like to move the existing cold feed and the open vent from the...

I am sure I can hear air in the CH/HW system at the pump on start up, after a time it does diminish but not go completly. I have tried bleeding all the air vents and rad's also the pump but all I get out is water. does anyone have any ideas on what might be causing this, how to bleed the air...

Hi I have a Baxi Barcelona boiler that is driving me round the bend in that it has an intermittant fault the symptoms are it will fire up for approx 15 sec, shut down for 3-4 min then fire up again for approx 15sec and will keep on doing this untill I either get fed up and shut it off or it...