OSO Solarcyl Twin Coil
The OSO Solarcyl Twin Coil stainless steel cylinder is a purpose-designed unvented cylinder for combining alternative heat sources. A low temperature heat source in combination with a high temperature heat source is the optimal combination. The Solarcyl Twin Coil has an electric immersion heater as backup in the lower part of the cylinder. High performance fully flooded design, with expansion vessel supplied with the cylinder.