Hello all

I want to install a shower ideally using mains pressure cold and
gravity fed hot as the supplies are close by...
The way I see it my choice is:

1 Trevi boost/venturi type shower
2 Fit an extra cold feed to the shower from the header tank and use a
mixer shower

but... could I just use a pressure equalizing valve with a mixer shower
and remove the need to run an extra feed from cistern? the bathroom is
in an extension and I have no easy route through roof void to get feed
from cistern. seems this would save time and money as venturi/trevis
cost =A3250 and up.=20

Any help much appreciated