The NIBE VPA/VPAS is a double jacket hot water tank and accumulator tank with a large water tank which is primarily designed for connection to heat pumps or other heat sources. The NIBE VPA/VPAS has a copper or enamel corrosion-resistant coating. The NIBE VPA/VPAS can handle temperatures of up to 90°C and is equipped with a socket for an immersion heater as well as a temp sensor tube. The environmentally-friendly, efficient insulation provides the tank with very low energy loss. The insulation is detachable to facilitate installation. The NIBE VPAS in size 300/450 has a copper finned coil of 2.3 m² for connection of up to 15 m² solar panels. The NIBE VPA is available in three sizes; 200/70, 300/200 and 450/300.