Marflow Trident Concealed Concentric Thermostatic Shower Valve Supplied With Wall Plate 15mm Inlets 150mm Centres Concealed Depth: 62 - 70mm Seperate Flow & Temperature Controls Thermostatic Temperature Set To Max 38ºC Wax Thermostat Provides Automatic Temperature Control +/- 1ºC Gravity Fed (min of 0.2 bar) Low Or High Pressure