The Niagara Observa Single Push Button Shower Valve Features: Chrome concealing plate A single push button will operate a single outlet Inlet Connections: G 3/4" BSP Outlet Connections: G 1/2" BSP Dual control – flow and temperature are controlled separately, giving accurate control of each The thermostatic cartridge maintains the showering temperature to +/- 2°C providing a stable outlet temperature Ceramic disc flow control cartridge Minimum operating pressure: 0.5 Bar Automatic shut-off in the event of cold water supply failure to prevent scalding Temperature factory set to a 38C to eliminate the ability to select an unsafe temperature without overriding Authorised Stockist 10-year guarantee New and boxed Shower valve only (No shower kit included)