Joule Cyclone 500 L high-gain heat-pump and solar cylinder - standard. Nominal catalogue capacity: 500 litres.
Twin-coil domestic hot-water storage for a heat pump and a separate solar heat source. Overall height: 1900 mm. External diameter: 710 mm.
Manufacturer coil 1 surface area: 0.77 m²; coil 2 surface area: 4 m². Coil areas are shown in the manufacturer order, solar / high-gain heat-pump.
Check the exact model drawing, heat-source duty and installation clearances before ordering. See the linked manufacturer technical specification.