Hansgrohe Ecostat - Thermostatic Shower Mixer Universal for Exposed InstallationProduct Features Designed to run 1 function Exposed design allows easy installation, all working parts are outside of the wall Centre distance: 150 mm 12 mm Ecostop button limits the water consumption to 10 l min Flow rate hand shower connection 17 l min at 3 bar Thermostat cartridge, ceramic valve 180 Min. operating pressure: 1 bar Max. operating pressure: 10 bar Safety stop at 40C Maximum temperature can be adjusted on installation Non return valve