12V200W DC Immersion Water Heater element,u type, 1.25 inch bsp fitting, 200mm approx length, can be powered using solar panels of similiar output or a12v battery or could even be used as a dump load for a small wind turbine,non corrosive stainless steel construction,this DC water heater immersion element can be used to heat water,oil and other liquids and can be fitted to a standard hot water cylinder using a 1.25 inch essex flange,price includes UK delivery