TESY Over Counter Compact Hot Water Heater. The TESY Compact over counter instant hot water heater offers highly efficient electric hot water heating for instant hot water. Low volume and compact in size. Suitable for installation in small and narrow spaces close to the point of use of domestic hot water. The Compact over counter water heater holds 10 litres of pre heated water to ensure that hot water is instantly available when you need it. Ideally suited to washrooms, caravan, motor-home, boat, kitchen, bathroom, tack room etc etc. The desired temperature of the water can easily be adjusted and selected by turning the temperature control dial on the front of the appliance. Designed to be connected directly to the mains cold water supply, the TESY instant hot water cylinders provide fast and efficient hot water with low energy consumption and simple installation. Simply connect the compact appliance to a mains cold water supply on the inwards feed connection and connect the hot water pipework to the outwards feed connection, both connections are 15mm connect, to a 16 amp fused spur and it will provide instant hot water. If you have any technical questions we are on hand to help 0161 439 1400. 10 Litre Model – 2kw. 3 Minutes Constant Hot Water Run Time. Height 400mm 2 x 15mm Compression Connections. Heating time? T 45K (15 – 60°C)80°C. 0:20 h:min. Annual consumption of electricity AEC. Out of the box.