The Instanta WM7 is the smallest of Instanta's classically designed wall-mounted water boilers. The boiler is compact but powerful and reliable. Ready to use in just 12 minutes this stainless steel boiler can produce 28 litres every hour after the initial draw off of 3 litres. The unique Instanta digital display provides a clear indication of the boiler status, advance notice of scale build up and easy to read diagnosis of any service problems. The WM7 also features impact resistant structural plastic casing, thermistor control for constant temperatures of 98°c, large non drip tap, long life incoloy element, easy installation, maintenance, cleaning and de-scaling, provision for concealed services. New modifications for 2010 models now include a 7 day timer and Filter Monitor.