In an earlier contribution to this discussion,
Stevethefootycoach wrote:

The shower in my (1930 built) house is fed direct from the bath taps.
The hot water cyliner is in the airing cupboard.

The hot water pressure is very low, not just in the bathroom but in
the kitchen as well.

This makes the shower difficult to use as mixing even a small quantity
of cold water with the hot makes the shower go cold.

Should I fit a pump somewhere to boost the flow of hot water from the
cylinder? If so, where?


A pump located under the bath would be a possibility. *But* you will also
need to plumb in a low pressure cold feed from the cold header tank rather
than using mains. The 2-gang pump will then receive hot and cold at roughly
the *same* pressure, and boost them both equally so that your mixer shower
will work properly.

The purists will also tell you that you should take the hot feed from a
Surrey or Essex flange installed in the hot cylinder rather than just using
the default take-off at the top. However, you can probably get away without
doing that - as I do.
--
Cheers,
Roger
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