Help! Bristan shower cartridge , cant turn off cold water from shower

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Bettyboo

Bettyboo

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Can anyone help please ?
I am in the middle of trying to clean/ service a Bristan shower cartridge for this shower

Recessed concealed shower
1901 Concealed Concentric Shower Valve | Bristan - https://www.bristan.com/products/mixer-showers?code=n2%20cshcvo%20c

It had started to drip after Thames Water installed a water meter outside . I was advised to clean the cartridge .
This morning I started to try and dismantle it to access the cartridge ,and as I started to do this the cold water started to run through the shower more and so I turned the water off . I got so far and could not remove the cartridge as the instructions are not clear and I cant find it on youtube. I am down to the level in the photos, I cant twist or pull the cartridge out . Am I supposed to remove the small plate surrounding the cartridge by removing the circular discs and parts either side of the cartridge ? Not sure how to do this .....I thought the cartridge would pull straight out when I got to this level

I reassembled it without moving the cartridge but when i turn the water on I cannot stop the cold water at all through the shower heads , when i turn the valve it just wont turn off

Please help , its now driving me mad ! thanks

Betty
 

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As for the controls eg why it’s dripping the left and right brass caps with the two holes in eg holding the valves in that stop the flow

I know I did not assemble it properly in video I was just trying to work out why it wont turn off when it is properly assembled
 
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ShaunCorbs said:
This is yours

Bristan 1901 dual control built-in shower spares and parts | Bristan 1901 | National Shower Spares

Buy Bristan 1901 dual control built-in shower spares online. All shower spare parts for the Bristan 1901 dual control built-in in stock with same day despatch from the UK's #1 shower spares retailer.
www.showerspares.com www.showerspares.com
Click to expand...
I see thanks , I asked bristan to come out but they said their engineers very booked up .... follow these wrong instructions ! 😡
dont know what on earth to do now
 
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You won’t do it with a spanner sorry to say you will need grips something you can pinch down on the cartridge and wiggle and pull but the cartridge doesn’t have any effect on the dripping these are the top items either side eg my link ref 1 and 2 these stop it dripping / running from the shower head
 
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Bettyboo said:
not sure if a ratchet device would get it out but i think expenisve
but will it stop water flow if i get it out ?
Click to expand...

No as that just adjusts the temperature

Tbh it looks like you will need to get a new shower fitted
 
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ShaunCorbs said:
You won’t do it with a spanner sorry to say you will need grips something you can pinch down on the cartridge and wiggle and pull but the cartridge doesn’t have any effect on the dripping these are the top items either side eg my link ref 1 and 2 these stop it dripping / running from the shower head
Click to expand...
what sort of grips? , i can buy tomorrow but i have some pliers ?? shall i just pull it out gripping threaded part? if i can... .... if i replace the cartridge will it stop the dripping/ water running out (more than dripping now) when i turn on shower !, unless i turn water off , but need on for other people
 
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Bettyboo said:
what sort of grips? , i can buy tomorrow but i have some pliers ?? shall i just pull it out gripping threaded part? if i can... .... if i replace the cartridge will it stop the dripping/ water running out (more than dripping now) when i turn on shower !, unless i turn water off , but need on for other people
Click to expand...
www.plumbers-mate-sales.co.uk

Bristan Plastic Thermostatic Shower Cartridge 00622415

Bristan Plastic Thermostatic Shower Cartridge 00622415 A replacement plastic thermostatic cartridge to fit various Bristan shower mixers including
www.plumbers-mate-sales.co.uk www.plumbers-mate-sales.co.uk
this valve is plastic but yours wasnt no idea why
 
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Bettyboo said:
what sort of grips? , i can buy tomorrow but i have some pliers ?? shall i just pull it out gripping threaded part? if i can... .... if i replace the cartridge will it stop the dripping/ water running out (more than dripping now) when i turn on shower !, unless i turn water off , but need on for other people
Click to expand...

No that’s the temperature side the left and right ones stop the flow
 
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ShaunCorbs said:
No as that just adjusts the temperature

Tbh it looks like you will need to get a new shower fitted
Click to expand...
there was nothing wrong with it before!, it only started dripping after Thames Water dug up the road and installed meters ! I was left with two dripping showers ! now this carry on... because Bristan sent wrong instructions and sent me off on wild goose chase " oh you can just clean it taking out cartridge and by soaking in water and vinegar ..." Need a large drink and lie down!
 
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Bettyboo said:
there was nothing wrong with it before!, it only started dripping after Thames Water dug up the road and installed meters ! I was left with two dripping showers ! now this carry on... because Bristan sent wrong instructions and sent me off on wild goose chase " oh you can just clean it taking out cartridge and by soaking in water and vinegar ..." Need a large drink and lie down!
Click to expand...

Yep common for them to get grit / other things in your water main when working on it which f ups ball valves and showers
 
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Bettyboo said:
it looks like plastic to me on outside
Click to expand...

If you look the part numbers of the thermostatic cartridge are the same so bristan just cheaped out and used plastic towards the end of life of the shower as most parts are discontinued
 
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