Truma Ultrastore Rapide GE 10 lt water heater, operates on gas and 230 v mains electric, gas and electric can be used at the same time for rapid heating, 1.5 kw gas / 850 watt electric element, requires 12v supply for gas ignition, comes with wall flue, safety drain valve and John Guest fitments the Truma Ultrastore Rapide GE can also be used as a replacement for Carver cascade 2 (adaptor plate required). See More Info.