My Aquatronic 4 leaks from the bottom of the casing. It is NOT leaking from the PRD and I have changed all the o rings on the outlet pipe and have put a new PRD on but it has made no differance. The water that is leaking is cold, but the water coming out of the showerhead is hot. I have checked the main water pipe going into the unit and there is no obvious leak.
I have also replaced the solenoid valve assembly.
Any suggestions would be greatly received!

Pete Letchworth, August 2009

I have replaced the stabiliser valve/pressure switch and the problem has been solved. It works a treat!
Thanks very much for your advice

Peter Letchworth, September 2009

if the waters cold its obviously leaking before the heating can.
check the stabiliser valve/pressure switch they are common for leaking.

hi-spec plumbing & heating (essex), August 2009