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Grant Vortex Combi Boiler Just had service on boiler & burner & left with a fault, When heating called for CH pump starts & Burner LED lights. Burner fan can be heard but runs for about 15 mins before it ignites. later in day after running found burner being called for but no fan running...

My central heating Grant Vortex Boiler losing pressure. Initially it was every time the system shut off after the evening schedule, found each morning that pressure at zero. Expansion cylinder changed for new PSV changed Thursday and as run for 5 days now its ost pressure again. No leaks on...

During renovations to my daughters house we want to renew the light switches however we have a 2 gang switch that is different to all the others in house and it uses 4 terminals on each switch. I can only find switches with 3 terminals at B&q tool station and screwfix. Can someone give me a...