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Andrew Smith
Andrew Smith, Plumber
Category: Plumbing
Satisfied Customers: 3629
Experience:  City and Guilds qualified plumber
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I have a Bristan shower. The valve sticks in open (hot) position.

Resolved Question:

I have a Bristan shower. The valve sticks in open (hot) position. I live in a very hard water area. How do I free it up please?
Submitted: 3 years ago.
Category: Plumbing
Expert:  Andrew Smith replied 3 years ago.

XXXXX XXXXX :

You will need to strip it out and place it in a bucket of descaler, or replace the thermostatic cartridge

Customer:

Yes I figured that but how do I strip it out? There's a grommet on the top of handle - is there a screw inside to free off the handle, please?

XXXXX XXXXX :

Do you have the model name?

XXXXX XXXXX :

If it is a bar type then there is a screw under the coloured cap

XXXXX XXXXX :

Remove the screw and pull off the lever

XXXXX XXXXX :

Undo the nut that holds the thermostat in place

Customer:

No it's not a bar type - it is a single round valve with built-in lever on the front

Customer:

There's a 25mm diameter screw vaklve on the top with a flat blade style groove on it. Undo that?

XXXXX XXXXX :

See if you can identify it here?

XXXXX XXXXX :

http://www.bristan.com/epages/Bristan.sf/en_GB/?ObjectPath=/Shops/Bristan/Categories/Showers/Mixer

Customer:

Yep it's the first one that appears on the main spread on the page

XXXXX XXXXX :

Can you tell me the name?

Customer:

I went on the link you provided me earlier and the main display picture is the very shower mixer I have. A name is XXXXX XXXXX It is the simple barrel with narrow vertical lever. I have removed the top screw-in piece and filled the inside with Viakal to see if that eases it.

XXXXX XXXXX :

The big picture at the top?

Customer:

yes

XXXXX XXXXX :

Looks like the Sonique further down the page?

XXXXX XXXXX :

Spares;

XXXXX XXXXX :

http://www.bristan.com/WebRoot/BristanNewDB/Shops/Bristan/Products/CS%20DRAWING-1107991-1-D1-1.PDF

XXXXX XXXXX :

Instructions:

XXXXX XXXXX :

http://www.bristan.com/WebRoot/BristanNewDB/Shops/Bristan/Products/INSTRUC.%20PDF-1106935-1-D1-1.PDF

Customer:

Sonique yes

XXXXX XXXXX :

Maintenance on page 23

Customer:

Yes Sonique, that's it.

Customer:

Thanks

XXXXX XXXXX :

The instructions (save a copy) tell you how to clean it and look after it, if that does not work then you can order spares direct from them and replace the cartridge

Customer:

Thanks!

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