... tube, copper heat pipe, aluminum fin Manifold Copper flow passage, rockwool/PU insulation, Aluminium alloy Pressurized Water Tank Capacity 100 ~ 500L for ... .0 bar Hail Resistance Φ25mm Balcony solar water heater description:INLIGHT balcony solar water heater composes of balcony solar collector, storage water tank, workstation system, accessories and interconnecting ...