The Propex 10 litre water heater has an inner tank which is made of super steel plate with wet enamel coating, very tough, very strong, resistant to corrosion and water scale, giving a long life. Ultra thick, Non-CFC Polyurethane Foam to prevent heat loss & reduce energy costs. The Propex water heater is a compact design, novel and luxurious appearance, easy to mount in a bedbox, locker or under seat storage area. Temperature meter and adjustment knob. Multiple protection devices against - over temperature, over pressure and electricity-leakage. The Propex comes complete with a choice of pipe connections and comes fitted with 3 pin plug for fast and easy installation. 240 volt mains operation only.