36V 1200W DC Immersion Water Heater element, 1 inch bsp fitting, 200mm approx length, can be powered using solar panels of similiar output or a 36v battery bank 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 inch essex flange,it is a twin element type and each element can be used seperately for half the power if required,this heater can also be used with 24v in which case heating power output will be around 530watts (22 amps required), or 12v which will give a heating power output of around 140 watts(16amps), again if only one of the twin u type elements is used by removing the links then the heating power will be halved,price includes UK delivery.