This thermostatic shower mixer with bar valve allows you to halt or control the flow of your shower whilst the thermostatic control gives complete temperature performance, suitable for any modern bathroom.The left handle on the bar shower controls the water on/off and the water flow and the right handle controls the temperature, with a range of 20-50 degress C. which also has a safety stop preset as a set temperature of 38 degrees C. for comfort and safety. Valve only - No Riser Rail, Hose or Diverter Included.