Powerful and efficient the wras approved instanta compact counter top water boiler is an attractive and durable automatic fill boiler designed to fit into smaller areas where space is limited despite the size the instanta 1000 c is able to dispense an impressive 27 litres of water an hour whilst only using a single 13a plug for power efficiency has also being built into the design preventing heat loss and reducing running costs thanks to advanced insulation and high quality components 3kw