hi our shower hot water pressure is really poor as the cylinder is same level as the shower our cold water is really good pressure i am after fitting a shower pump any pumps for hot water only? can this be fitted to boost all our hot water supply ie at the cylinder forward or does it have to be at the shower? what power requirements does the pump need not wiring it up myself but will help with my planning and prep also please see attached picture hot water from top of my cylinder it goes up to the cold water storage tank -vent down larger size and smaller sized pipe can anyone explaine what normally the two supply thanks in advance