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Discuss Replacing Bristan-piston in the Bathrooms, Showers and Wetrooms area at PlumbersForums.net

Ncraze

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Morning all,

Our Bristan Java Thermostatic Shower has been leaking, we've replaced the cartridge but it was still leaking. On further inspection we found that the hot water piston was 'sticking' and would not compress and retract easily.

We've bought the replacement pistons as well as the bristan maintenance tool to remove the pistons. This tool proved to be useless, as the pins fell out of the tool on first use. I've tried using some long nosed pliers to to turn the piston but it simply won't budge.

I'm desperate for any advice on how to remove the piston. I've attached some images for reference. I'd be grateful for any help.

20190504_090710.jpg

20190504_090719.jpg
 

townfanjon

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Longshot , take it off and try wd40 or white vinegar , leave it soaking for as long as poss.
 

Ben-gee

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Drive two masonry nails through a length of timber leaving yourself a nice long handle for leverage- has worked for me in the past.
 

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