The concealed thermostatic shower valve has a unique stylish design giving your bathroom a more modern look, the thermostatic shower valve is convenient and safe to use. The top dial controls the water flow, the middle dial controls the temperature and the bottom dial control the water to 2 outlet diverters, the Faye thermostatic shower mixer valve is fitted with a safety button, pre-set to 38 degrees, which prevents any accidental scalding temperatures, it is also a non-return valve which means that the water will only flow in one direction.