Search results

hi i have a gravity fed system with a glow worm ultimate 50 boiler i dont appear to have either a 3 port valve or a header tank in my loft.the problem is that when i turn my heating on it only stays warm for a couple of minutes then goes luke warm at best.i replaced the pump and did a drain down...

hi i have what i am told is a gravity fed system i get very hot water,and until recently very hot radiators,past few days however radiators are only warm i have drained and re bled the entire system after fitting a new c h pump there is no air in system what i have noticed is that the boiler...