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- 23 Oct 2020
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Shower seems to have a stuck thermostatic valve alas. I've got the plate and handles off this shower valve, and removed the lock pin (I've put it back in place for the photo), but can't seem to budge the cartridge back out (it does push back into the wall about 1cm, somewhat alarmingly). Is there a good way to de-mineralise / rinse the valve in situ? Or anyone have a suggestion on removing these cartridges for servicing? I can't see any specific place where a wrench could be used, and it's plastic on the inside, so hoping to avoid destroying this whilst trying to remove the cartridge.