The Instanta WMSP3W (WM3) Autofill Wall Mounted Water Boiler is a 3 litre capacity water boiler with a fast heat up time and a minimum hourly output of 28 litres (168 cups) of piping hot water. Ideal where space is at a premium, this high performance appliance is suitable for hotels, restaurants, cafes, factory and office canteens, hospitality suites at sports stadiums and many others. The Instanta WMSP3W has a power output of 3kW and is hardwired. The average power consumption is 0.12kW per hour on stand-by.