my shower has no pressure as the header tank is rite above the shower and against the floor boards. it is a mixer shower. i have looked at pumps. but most seem to need the hot and cold to be together at some point which mine is not as the cold comes from the loft and down the wall and the hot is from under the floor. and u just put a pump on the hot or does it have to be both?
The pump must assist both hot and cold feeds. This is to ensure an equal supply of hot and cold water otherwise it would be unbalanced.
Put the pump in the airing cupboard where the hot is and bring the cold feed down and back up into the loft.
Be careful of the header tank size, and how quickly it fills. It is recommended to have two tanks when fitting a power shower as a single tank can easily be drained dry.
I notice from your posts you also have an electric shower with poor pressure but a mixer shower with good pressure. Let alone friends with shower problems!
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