This question is regarding Mira Excel/Select Thermostatic Cartridge - 903.33

Adjusting Mira Excell Cartridge

Do you have to turn off water supply in order to remove and adjust purple cartridge? We now have a pressurised cylinder system with direct feed to the shower.
Asked 3 years ago by George Annand, Aberdeenshire
Yes definitely turn off the water supply to the shower.

Answered 3 years ago by Barrie Seabright

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