This question is regarding Bristan CART5 Dual Control Thermostatic Cartridge - 06732COMPL

controls stiff

plumber has replaced this cartridge three times(getting a bit expensive)and the shower controls are very stiff to turn after a short time.I have watched the fitting of these and have never seen any silicone grease being applied,is this why the controls are stiff.
Asked 10 years ago by Anonymous

If this valve is fitted to a high pressure system this canmake it stiff and yes silicone grease should be applied to the seals.

http://www.showerdoc.com/silicone-grease-tub-30ml

Answered 10 years ago by The Shower Doctor

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