Recent content by JeffT

Nige F Yes I know. The cylinder is foam insulated not sure of the grade etc but its lasted 26 years with me living here. Probably installed by the last occupant. Problem with doing any testing is that the connecting valves have frozen so I have to drain the whole system down to disconnect...

Hi Nige F No the vents are OK I put the plastic tanks in years ago so know exactly whats connected to what, & nothing has ever come out of the vents either. The only explanation I can think of is a leaky coil in the HW cylinder. At this very moment the CH header tank has one drip every 3...

Thanks Easyflow & Nige F. I have changed the ballvalves and these are not leaking. I think the drip in the CH header tank is because the water is being lost into the Hot water cylinder through the leak and then leaving through the cold water tank overflow as this is where the hot water...

Yes thats what I think. But why doesn't it fill the CH header tank when the boiler / pump etc is off. The water level in the Domestic Cold storage is higher than the CH header tank, simply because the bottom of each is at the same level, but the CH header tank is smaller. I'd have thought...

Hi I'm pretty sure I know what the problem is but just wonder if somebody could advise. The central heating system is 25+ years old with pumps, valves etc being replaced at intervals. The system has a boiler with indirect hot water & pumped CH with a header tank in the loft. I have a water...

If where the soil pipe passes out through the wall is above / below the joist and its just the section which falls which becomes progressively in the way, then an additional joist spanning the new extension walls could be placed outside the sloping section to pick up the joists. the ceiling /...