New statistics show that a massive cost saving of 20% can be made if you use a boiling water tap rather than a kettle.<br> <br> With electricity bills on the rise, the Minerva 3-in-1 Kettle Tap from Franke is an important accessory for any kitchen, the company claims. With a standing cost of the unit being just £0.08 per day (when not being used), the Minerva saves money, Franke says.<br> <br> The Kettle tap in Chrome retails at £1038.48 while the SilkSteel PVD model retails at £1116.72 including VAT.<br>