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Same as always. About 1.2 b

Sorry meant to say in terms repressuring, added water to vessel to desired pressure.

Once rad was fitted I opened the lock shield, then the trv. Bled the rad. Then bled others that had air in them ( 2 I recall). What’s the problem with leak sealer? Chris

Hi. Drained rad through closing lock shield and trv. Then removed, drained and put new one in. When heating on, pressure increases as it always has - apart 0.5b. Re system I have - standard boiler, pressure vessel. All has been fine with stable pressure up until I removed and replaced rad...

hope I’m on the right part of the forum. Replaced a rad yesterday. Refit went fine. Problem now though is I am continuously losing pressure as indicated on gauge on pressure vessel. Loss is about 0.1 bar per hour! No obvious leaks. Happening when ch is off or on. Only thing I can think is I have...

Hi. Cw storage in loft, yes

Ok - let me start by being clear - my plumbing knowledge is non existent, but I would like to think I have a very simple question. I have a 2 storey house. HW tank upstairs. Bathroom downstairs with a pump in adjacent cupboard. Pump currently fed by 15mm H and C. I have a Stuart Turner pump in...

Thanks for response. Wooden floors throughout downstairs. Looked carefully at all valves and no evidence of a leak.

recently had my central heating system pressurised. Pressure at 1 bar when cold. Losing approx 0.5 bar every 10-14 days, requiring smallish top up. Assume a leak? Looked everywhere but most of pipes are under the floor (suspended) and cannot see them. Plan to add leak seal (1 litre for 100...

Thanks to everyone that helped me with this problem. It turned out that after ripping up our solid wood flooring (not happy) we had 3 seperate leaks within the pipework beneath. Now Im fearful that i have leaks in other places - laws of deduction says that it is possible. But anyway we now...

To all you good people that have responded so far. My limited update is as follows. 2 bottles of leak sealer has made no difference. I have managed to pull floor boards up in a variety of places on the ground floor, and assisted with a torch and mirror, i could see nothing even remotely...

JohnD - its a potterton profile and from what I believe, it is a good 10-15 years old.

JohnD, now we reach the limits of my knowledge. What do you mean re condensing boiler? The flow into the ch header tank is from the mains and the flow out is from beneath, feeding the radiators. does that help? I am convinced it is a leak but asking around at work, they do not seem to be as...

will do. Cannot do this until tomorrow night. What might this tell me and should I leave the ch running whilst I do this? I'm assuming not.

Thanks. I was primarily concerned what damge the leaked water could be doing to he foundations or structue of the house. Much to worry about?

Hi - yes to both questions.

Thanks very much for that. I have only been in the house for 4 months. This for all I know, could have been going on for years!! Bearing in mind the rate of flow and the fact it is potentially leaking 24 hours a day, could the damage be significant?

Really hoping you can help. I have just had my CH header tank replaced (in the loft) as it was very corroded and running continuously. I assumed that the ball cock was faulty and the continual flow was going out the overflow pipe. Header tank and new ball cock later and the continual...