Recent content by leftofcentre

The 15m pipe above the ball-o-fix valve terminates with a keyed valve after about 30cm. See more detailled video:

Have shot a video of the pipe arrangement. The silver valve with the slot head screw that the video lingers on is the one that is shut tight. I'm thinking from reading other threads that this shouldn't be closed and should be open to allow the system to balance correctly. Is that...

Gate valve appears to be fully closed. By my thinking that means that the pump is trying to force water into a cylinder that is already full as the water in the cylinder has nowhere else to go. ??

Yes there is a gate valve near the return that has a slot head adjustment on it. I just touched it and heard what sounded like a load of sediment rushing through nearby pipes. A few drops of brown water also leaked from the slot head screw.

Gas4u. Pump is running fine although case is extremely hot. I have two valves. A Tower switched to manual open which is feeding the cylinder and a Honeywell one set to auto feeding the rads. Yes there is an air vent next to the cylinder and it is not covered. The BG man checked the...

Err... did I say that I had messed with it? All I am asking the experts on here who have more that 3 posts to their name is whether this is normal or not. If it is not then I will get BG out again. If you have nothing useful to contribute then dont bother posting.

BG man didn't replace the pump; just tapped it to get it moving again then turned it through its different speeds to ensure that it was properly functioning. The boiler runs constantly without cutting out when the heating is switched on, the problem occurs only when its on hot water only...

Hi there, hope you can help. I have a Potterton Prima 50F, about 3-4 yrs old. (Just bought the flat that I was renting so have inherited the system) I left the flat vacant while doing a ski season for 5 months recently and switch the heating and hot water off completely while away. Upon...