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Hi we have a problem with our hot water supply to both the shower and taps. It runs hot for about 2 mins then goes cold then gets\hot again !! Any ideas ?? Thanks in advance :? :? I have read some posts from 2007 and I notice that if the hot tap is on the lights go on and off...

Hi All Today I have moved the vent /overflow pipe to the highest point Drained hot water cylinder etc moved pipe refilled tank turned on tap got water & air (never happened before ) no air lock have filled 6 bath fulls still no air thanks to every one hopefully problem may be sorted Many...

Thanks looking at it the tee for the vent is just above the tank around 2ft 6 from the highest point of the pipework will try moveing this first thing tomorow :D

Many Thanks To Everyone helping me with this problem, I have now been told that as the header tank sits on the joists there may be a need to raise it up as high as possible to increase the header pressure while i am doing this i will check for possible sludge and blockages once again many...

Thanks I have changed the restrictor on the ball valve for a larger one so after running a bath the header tank is still over half full, could it possibly be the fact that the water has to go up around 3ft then across loft about 5ft then back down to floor level and around walls to the taps :?:

Wahoo, thank you so much for replying so quickly... We live in a bungalow and the hot water tank is in the hallway, the water then goes up into the loft, across the loft floor and down the wall into the bathroom and kitchen. Could this be the problem ??? Bit blonde when it comes to...

We have a really old gravity fed system. The problem is that the hot water keeps stopping due to air. We have connected the mains cold to the hot and blown the air out, it will run one bath full of water and then stops again. Been going on for ages.... Please any suggestions :oops: