This question is regarding Bristan Pisa Thermostatic Surface Mounted With Adjustable Riser - Shower Spares

How to open Pisa Bristan Shower

My shower started leaking and it appears it require to change seal. However I am not getting any clue about how to open it. Do you have any doc or video to guide it.
Asked 12 years ago by Anonymous

Turn off the water

 

Remove the centre cap of the knob this will let you in to thescrew to start removing  the knobs

You will then see the front Plate

Remove the front plate with the two Allen screws thecartridge should just pull out.

Do not try to unscrew!

If it will not pull out remove the plug from the body(Opposite side from the hose)you should then be able to get a screwdriver in underneaththe cartridge and lever it forward and out.

 

You can also remove the two inlet elbows this will allow youto get two screwdrivers in to the rear of the cartridge to lever it forward.

 

Finally if it is a surface mounted valve and you can’t get tothe plug or inlet elbows.

 

Remove the front plate with the two Alan screws, thenreassemble the knobs loosely you should then be able to fit two screwdrivers inbehind the knobs and lever them forward against the valve body

 

 

Answered 12 years ago by The Shower Doctor

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