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Thank you. That's interesting. How would I recognise a "higher static and low flow pressure which reduces as more flow is taken" please? When we turn on a hot tap or shower, there is a moment (less than a second) of really high pressure which then drops to the lower pressure. Could this...

Thank you, that is helpful. Is there a way of upgrading the device to allow the hot water cylinder to provide hot water at a higher pressure please?

Hi all We have an unvented hot water cylinder. I understand that the hot water pressure should be the same as the cold water pressure. Unfortunately, we have really good cold water pressure from all taps and showers, however the hot water pressure is much lower. Could there be a simple reason...

Thank you for your help. That is really helpful. We added two bottles of inhibitor yesterday. As a last resort before we call the leak detectors in, we also added a bottle of leak sealer yesterday. Apparently this takes 24 hours to work, so hopefully we'll have some good news when we get home...

The boiler is a Worcester Greenstar Camray utility 18/25 – oil fired. The issue is that we are dropping pressure to zero within a few hours of topping up the system. The pressure drops whether the heating/hot water are in use or not. Worcester came out – the engineer isolated the boiler from...

Thank both. It is a system boiler (Worcester Greenstar, unfortunately I don't know the model but I can check when I get home). We have an unvented hot water tank upstairs. I'll check for a pressure gauge on the boiler later, but I've never noticed one. We'll also go around the house again and...

Thank you for the suggestion - I'll give it a go tonight. I have called a leak detection company about coming out next week in case the Fernox doesn't work, but I am concerned that I've missed something really obvious and we'll be stuck with paying a big bill to detect a leak that doesn't...

We've had plumbers out but they can't see a leak, so can't help unfortunately. Is there anything I could be missing to check before I call out a (expensive) leak detection company?

Thank you both. The pressure gauge is separate to the boiler, so sounds like it is in the pipework afterall. A shame as the boiler is still under warranty! We had an extension with new radiators. We have already had two noticeable leaks in the new rooms but these were fixed two weeks ago and...

Hi The Worcester engineer isolated the boiler from the pipes, set the pressure to 1.5 and turned off the boiler. He said that if I lost pressure, it is the pipework at fault. I have just been reading online about this and I think he is wrong - I think that if the pressure drops while the...

It's separate. Thanks

Thank you very much for your help. One of the floors is concrete (tiled over) and one is floorboards (carpeted over). We have had work done recently, but not in either of those rooms. All radiator valves are dry. Do you think that the expansion vessel is faulty? Would there be visible water...

Hi all We have been having issues with our central heating/hot water for a few weeks now. It loses pressure really quickly (1 bar in a few hours). It loses this pressure even when the central heating and hot water are not on. We have had Worcester Bosch out today to look at the boiler as it is...