This thermostatic shower mixer with a 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 diverter to switch between both the outlets; shower head and shower handset and the right handle controls the temperature, with a range of 20-50 degrees C. which also has a safety stop preset as a set temperature of 38 degrees C. for comfort and safety. The riser rail's height can be adjusted, this product also comes with an adjustable bracket for the handheld shower, which you can slide up and down the rail to your desire.This beautifully modern shower mixer is suitable for use with a range of systems: Combination boiler systems, Gravity-fed systems (only with a pump), MegaFlo systems, Pumped or Un-vented hot water systems, and Standard pressurized hot water cylinder type systems. The 1.5m shower hose ensures durability and longevity, even with regular use.