Rapid 3 in 1 boiling water Hot, Cold and Boiling! The InSinkErator 3 in 1 Boiling Water Kitchen Tap is a fantastic addition to your kitchen as it provides instant boiling hot water, cutting out waiting time for a kettle to boil. Not only is the InSinkErator 3 in 1 tap super convenient and practical, it's sleek curved design will complement any kitchen style effortlessly. Filtered boiling hot water for better taste This boiling hot water tap provides standard hot and cold water like any other tap but their party piece is the filtered boiling hot water. Cleaner, purer, better tasting water each and every time! Cheaper than boiling a kettle According to N Power, the average cost to boil a full kettle is 2.5p whilst with a boiling water the costs are significantly lower, at as little as 1p per litre. With a boiling water tap you can get instant access to the exact amount of hot water you need, so you don’t waste electricity or water. Also, the filter does not need to be changed as often