Breville BRITA HotCup Hot Water Dispenser with Integrated Water Filter, 3 KW Fast Boil and Variable Dispense, 1.8 Litre, Stainless Steel [VKJ367] 4.6 out of 5 stars. 20,740. £74.95. Laptronix Instant Hot Water Dispenser – Water Boiler with Removable 2.5L Tank and Drip Tray 2600W Black Kettle Machine. 3.7 out of 5 stars.