I have a Bristan Java Surface Mounted Thermostatic Shower Mixer
installed in my shower room at home. It's been used daily for the past
6-7 years with no issues. For about 4 months the mixer has been
slightly leaking from the cartridge seals and this week I decided to
Fortunately I have the original instructions/technical diagrams for
the unit and I was able to take it apart easily. I pulled the
cartridge out to reveal three very tired seals that, as I guessed,
needed replacing. I ordered a seal kit from Bristan which arrived
yesterday and I set about replacing them.
I introduced the cartridge back into the mixer housing and all seals
were once again water tight.
The issue I now have is that in which ever position I rotate the
cartridge, it wont shut off the water. The mixing part works fine.
I donít know too much about mixing cartridges but I can see how the
mixer works in terms of temperature, I can see the inside of the
cartridge moving backwards and forwards as I move the inner spindle
letting in hot or cold water. My question is should anything else in
the cartridge move, I canít see how the water is shut off. I have a
horrible feeling something has seized but I suppose thatís why I am
I have a scan of an exploded drawing if someone could help me?
Any help is greatly appreciated.