Hi everyone, Back again with yet another head scratcher, for me anyways ! Why is it that when the shower is running (this, so far, is the only place I've noticed it happen) and no one else is in the house, I'm losing water pressure when no other water source is turned on in the house ??? Is it a water heater thing, when it runs it takes away from the pressure ? We have CAC but it's turned off. Is it possible a neighbour could be linked into the main source ? I have no clue ... any ideas folks ? Thanks =o)