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thanks MJN anybody able to help? I have re run the pressure etc, no change apart from at 6 the cold pressure increased slightly to 3.5bar static and 3bar dynamic. it was the same as the first post at 9pm. Doc

Thanks MJN but what about the drop in flow? is this just something i have to put up with or is there a way to get the good flow rates to the head? are there mixers that allow more through? The mixer was supplied by the plumber, who gave us a few options, but the options were design rather...

Sorry yes i should have explained, to try and get 2 readings i am turning the mixer temp gauge to full cold and full hot and taking the reading from the one pipe. Doc

Hello Agile i took the readings of pressure from a pressure meter purchased online, it is a cheap thing, only a tenner, bought for this purpose only. I just attached it to the end of the pipe (plastic). for the flow i used a stop watch on my mobile and a bucket..... stopped the...

Hello All I am in the process of having a new bathroom fitted in a new extension, and have taken the following readings. before shower Cold static 2.7bar, dynamic 2.2bar, flow 30lpm Hot static 1.5bar, dynamic 1.4bar, flow 30lpm after thermostatic shower, before head Cold static 3...

SimonD Cheers for the constructive advice!! "blabbering on" about static etc was purely down to the first answer to the question. I dont know the difference between the different valves, (although from the descriptions I would make an educated guess) I am not a plumber, so why would I? If I...

OK so I have done the recommissioning thing, and ther isnt a great deal of diference in the flow rates, before and after the recom. Kitchen cold 19 Hot 6 Bathroom shower hose on Cold 12...

Thanks ChrisR I will try all those and report back. Thanks for the help, much appreciated.

excellent thanks ChrisR as to point 3. I am now thinking that something is not right, as the shower performance is well below any pumped electric shower i have been in before. how could I measure the pressure at the shower/bathroom tap? I guess it will require some kind of wonderful...

Thanks for the advice So to summarise 1. it could be the valve that is dynamic and needs changing to a static. 2. to boost pressure seperately from the issue use an external expansion vessel 3. the cold and hot need to be balanced. I presume the effect of this is to drop the...

forgot to mention that I have quite a bit of water escaping out to the tundish, will this also be related?

thanks for the quick reply Nige F Not being up to speed with the forum terms are you yawning because the question has been asked before? So are you saying if the PRV is dynamic is should be static? Would simply changing the valve solve all my problems (of a pressure nature of course...

Hello All First post so please be gentle I have a peculiar problem with my unvented system. My mains pressure is good, aprox 4 bar and around 24 lpm flow. The hot water pressure is much lower than the cold. all taps are the same, bathroom, kitchen (right next to the cylinder) and shower...