CONCEALED THERMOSTATIC SHOWER MIXER VALVE Single cast body, high-grade brass is featured in this premium quality valve. It is designed in a way that if maintenance is required whole valve does not require re-plumbing. Built-in anti-scald device means no more fluctuating water temperatures while showering. To be mounted vertically only due to laser markings on the front plate. 1/2" outlet diameter 3/4" hot/cold inlets with built-in non-return valves to prevent backflow For more dimensions please see technical drawing Top dial: on/off for outlet 1 Middle dial: temperature control Bottom dial: on/off for outlet 2 WORKING REQUIREMENTS For this shower to operate efficiently your water system will need to produce at least 0.5 bar of pressure, though we recommend 1.0 bar for best performance. This can be achieved if you have one of the following: Combination boiler systems Gravity fed systems (only with pump) Megaflow system Pumped hot water systems Un-vented hot water systems Standard pressurised hot water cylinder type systems