Bristan Concealed Timed Flow Control for Water Economy Concealed timed flow push button water control. Features: 25 second time delay (+5/-10 secs) Operates showers or urinals Minimum working pressure 0.2 bar 15mm inlet and outlet connections Max. inlet pressure 3.0 bar Tech Specs: Product Width: 117mm Product Depth: 90mm Product Height: 117mm Product Weight: 510g Colour: Chrome Material: Brass Finish: Chrome Plated Minimum Operating Pressure: 0.2 Maximum Operating Pressure: 3 Maximum Hot Water Supply Temperature: 65 Inlet Connection: 15mm Outlet Connection: 15mm