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I have the exact same problem, but can I check this though. The droning noise comes from different rads, and opening up a valve (any valve) stops it. Can this still be the TRV? I got my system 12 months ago and has only just started the dreaded noise! Ta as always Jase (should of...

Turned out to be the dreaded leak. Guy came round and scratched his head a lot. Then we looked around. Dining room ceiling damp, and when I pulled all the floor boards up I have punctured the pipe 3 times :< Have been told that the way the pipes ran through the beams was very "unique"...

Thanks for that, will give that a try tonight. Update on last night: Turned off CH with water available but not used. Same again, dreaded red light and no hot water.

Not had rads off as wanted heat due to kids. Heating has been on more or less for a couple of weeks constant. Work was only a new floor, but as no thermo in bathroom it was too hot to work in!

Glow worm 38cxi ( I think cxi or something similar) Just over 1 year old

Still online and desperate for an answer :) Want hot water in the morning! Jase

Hi yet again :< I have read the solving guide for loss of pressure, but think it is not really what I am after. Please help again! I needed to turn the CH off on my combi to do some work in the bathroom and turned it fully off, then back on within a few seconds. Then switched the CH...

Thanks a lot. Will give it a try on an easy to get at one first! Will be gentle to the pin. Thanks for the advice as always

Will have a go myself as if it is just that the pin needs releaseing, then it should not be a problem doing it myself. If not then I am lucky enough that the guy lives close by but he is very unreliable for further jobs I have asked him to do!

they were installed at the same time as the new boiler, although I remember him one time taking the valve off and gently tapping the pin. But I cant seem to get them off! Are they twist or pull off generally?

Hi once again , and a happy new year to you all. Got a problem with my rads. Had a new combi boiler fitted around 13 months ago and all has appeared to be ok. Now I occasionally get a droning noise from one or two rads which is cured temporary by lowering the rad thermostat and back to...

As I say, I appologise, and have stopped the other thread identical to this on the plumbing board.

Sorry I was not aware of that, but thanks for the advice.

I know it is vague, and will depend on a lot of factors but any chance anyone could give me a rough guess on how much it would cost for 2 things (1 elec and 1 plumbing so will put this also on the plumbing board). Got someone coming today and would help to have an idea. One Looking to add 2...

My thanks to you both

But I will need to drain the bath and sink taps which will come from the boiler Sorry if I seem very amateurish, but I am :)

So this is a safe way then. Will go ahead with that, and refill the system after. I can get the pressure up to 1.2 or so (amateurs!) so guess this is all I need to do. Ta

So this would lead to empty hot water in the boiler then which I am worried about I think

Just thinking When I run off the hot water tap, the water will come from the boiler and will enpty that. Still safe to do that? Surely with the infeed closed, and hot water being drained it will run dry....

Well I am confident now then that I can crack on with the work, I thank you Chris for your time and speed. :D I was going to ask about the 2 valves on the boiler pipes (I have 6 pipes but 2 have a cut off valves similar to a washing machine pipe 1 red and 1 blue) and wether I have to close...