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Thanks all. It’s not really practical to only fit the PRV to the showers direct cold feed unfortunately (just due to the current location/positioning of everything in the bathroom). Unless it’s ok to fit the PRV under floorboards (ie on the cold pipe under the landing floorboards, before it...

Thanks for the reply. Yeah, the system was installed by a previous owner of the house and for some reason they didn’t use the balanced out on the cylinder inlet controls for the cold feed to the shower. It’s not viable to retrofit now as would be too invasive. My main question is really...

Hi all I’ve got an unvented hot water cylinder in my house with a 3 bar pressure reducing valve on its inlet. In my bathroom I’ve got a 3 outlet thermostatic shower mixer valve, which is fed from the hot water cylinder and the cold mains. The water from the shower mixer tends to stay cold /...

Yeah, I appreciate that, no worries. Just looking for a step by step guide to filling the hole really. From start to finish. Thanks

I did have a plumber in to fix it, there was method behind the unusual repair. The reason he did it like this is actually because the leak was caused by the line of the pipe running along the floor not being correct for the rad tail pipe (you can clearly see that they would not meet up from...

3. Did the flat below report any water damage? No, I think it was a very small leak that was spread over a long time so our concrete absorbed most of it. 4. Cu. in concrete must be one length of tube with no fittings under the concrete. Is your cu sheathed or wrapped to protect it from...

Thanks for the reply. 1. You should be certain that the leak/pressure drop business is definitely "solved" before making good. Agree, its been nearly a week now and the pressure has not dropped at all. Before the repair it was dropping to 0.0 bar overnight, every night. 2. Where is your...

Hi all Just thought Id post an update for the people who have replied to the thread before. Last Tuesday I called in a company called ADI Leak Detection and they came in with thermal cameras and nitrogen gas to try and find the leak. After about 3 or 4 hours of testing he managed to...

Hi all After a long thread in the central heating board about a problem wih my boiler losing pressure I finally got someone in who managed to find a leaking pipe in the concrete floor of the bedroom. After diggin it up and repairing the leak he said to leave it a week or so before filling in...

I think I'm on a bit of a wild goose chase with the boiler to be honest. I think I just keep finding new things to check on it as I was hoping it would be that instead of an underfloor leak. Will just have to bite the bullet and call someone in I think. Ah well, thanks for everyone's...

Nice one, thanks very much for your help with this. The Honeywell receiver is only coming on when the transmitter call for heat. It seems the problem has finally been solved! Looks like something bizarre was going on with our Drayton controls, even after a second receiver from them...

Ok, I decided to just go for it. I've left the L and N from the mains connected directly to the boiler and have connected the L from the boiler to the middle L on Honeywell receiver and the N from the boiler to the N on the receiver. I've then linked the right L terminal in the receiver to...

OK, I took your advice and bought a CMT927 but the wiring diagram that it came with is a bit confusing, (no surprises there!) The diagram for connecting to a combi boiler appears to show that the live wire from the mains should first go to the Honeywell receiver and then a second wire from...

*EDIT* Oops, didn't mean to duplicate/quote my previous post, sorry, I meant to edit it.