hi please help,Iam trying to add on to my current hot water cylinder system three basins and a bath, I have a stuart turner from a relative so i know it works. To the left of the cylinder I have fitted a honeywell and on top a surrey valve,I have come of the surrey valve down to the pump connector without the arrow that pionts upwards, and out of the connector that is marked with the arrow pionting upwards, this pipe says on the wall next to it "hot water taps"Ive set the water pressure to 1.4 bar, plugged the pump in but nothing happens, my hot water pressure is trickle out the other taps but the one next to the cylynder has great pressure whats happening?, any suggestions please