Pressure Reducing Valves

23 May 2006
Reaction score
United Kingdom
In a new bathroom installation, I am fitting a bath mixer & a thermostatic shower.

According to the instructions, both of these work best with a reasonably balanced hot & cold pressure, (which might account for the temperature problems encountered with the old Aqualisa shower)

I have 7 bar cold & 2.5 bar hot pressure at the shower point.

Water is heated via a multi point hot water boiler, & cold is mains fed.

I am thinking of installing a Pressure Reducing Valve immediately after the main stop tap to try and reduce the difference in pressures.

Has anyone any experience of these valves?
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i`m looking at the same problem with a similar set up and pressures, if you find a solution to this please drop me an email at [email protected].

I cant seem to find too much info on here. Valves seem to vary quite a lot in price.

you also have option of pressure equalising valve at the shower itself.

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