On 03/03/2020 18:34, Chris B wrote:
I am going to have to fit a PRV in the cold supply for the benefit of a
new thermostatic shower mixer (max allowed pressure 5 Bar) current cold
pressure 7.5 bar and hot pressure regulated to 3 bar by a pressurised
hot water system.

What make / model of unvented cylinder is it? Most also have a low
pressure take off on the cold inlet for just this purpose.


--
Cheers,

John.

/================================================== ===============\
| Internode Ltd - http://www.internode.co.uk |
|-----------------------------------------------------------------|
| John Rumm - john(at)internode(dot)co(dot)uk |
\================================================= ================/