Concealed Thermostatic Shower Mixer Valve Information: The Teslie concealed thermostatic shower valve has a unique stylish design giving your bathroom the more modern look the thermostatic shower valve is convenient and safe to use. The top dial controls water 2 outlet diverter and the bottom dial control the water temperature, we understand that safety has to be a first with our products hence why the Teslie thermostatic show mixer valve are fixed with thermostatic control, hence why the Teslie thermostatic shower mixer valve is fitted with a safety button, pre-set to 38 degrees, which prevents any accidental scalding temperatures. Specifications Top Dial - controls water to 2 outlet diverter Bottom Dial - temperature control Chrome plated Durable and solid brass construction Thermostatically controlled Operating range 20 - 50 deg C with 38 deg C safety button Built in non return valves to prevent back flow and filters to protect the thermostatic mechanism Chosen temperature