22 Litre CARAVAN BOILER 1200w 230Volt, Weight 10kg, Max Overall Length L1 475mm, Casing Length L2 400mm, Approx Fixing Centres L3 300mm. Water Connections 1/2" BSP Male. The C.A.K. Tanks Caravan boiler is manufactured in three 22 litre and three 12 litre horizontal cylinder models with element sizes of 500, 800 and 1200 watts. The caravan boilers come as standard with an adjustable thermostat and a choice of mains electric element sizes of 500, 800 and 1200 watts. The energy efficient design and construction of the Caravan boilers enables quick heat up rates to provide a highly effective source of stored hot water to your pumped domestic water system. The larger 22 litre capacity provides a significant quantity stored water available on tap, the boilers are very simple to install requiring only electrical wiring, positioning and connecting to water system. No need to plumb in a gas system for hot water. All Caravan models provide high levels of performance and efficiency and are equipped with the following additional standard features; Glass lined steel tank for strength & very long life. Strong stainless steel mounting saddle and brackets. Pressure release safety valve (4 bar + - 1). Magnesium anode protects boiler from galvanic currents. Boilers tested to 8 (bar) 200 % of operating pressure to ensure safety and product quality. High quality outer casing to protect thermally efficient polyurethane insulation jacket. Boiler element voltage 230 240 volt 50 hz.