Aqualisa Gainsborough 900301 GS200 Screw in Shower Thermostatic Cartridge, If your shower is fluctuating in temperature or not hot water is getting through the shower mixer, the chances are the problem is with the thermostatic cartridge. Please review the technical diagram and photos to ensure this is the exact thermostatic cartridge which you need.
This shower cartridge fits the following brands and models (however not restricted to these) Aqualisa Gainsborough GS200 (900301)Exposed Mixer Showers.Gainsborough thermostatic cartridge assembly.
The Gainsborough Thermostatic cartridge assembly (900301) is a genuine, brand new Gainsborough product, covered by a minimum 1 year Gainsborough manufacturer's guarantee.