No stop Essex flange and Surrey/York flange

9 Nov 2008
Reaction score
United Kingdom
I want fit ESP 50 CPV twin pump to boost water pressure in the shower situated in the loft bathroom. The pump will be fitted under the cold water tank next to the loft bathroom. The hot water feed for the shower leaves the cylinder (from kitchen) and the cold water leaves the tank.
The cylinder is vented one and has got outlet hot water from the top only.
My questions are.
Which flange is better to use with salamander pump?
If i decide to use surrey/york flange do i have to make an anti gravity loop as well as is recommended for no stop essex flange?
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