solar swimming pool (solar water heater)

pressurized solar collector high heat efficiency, used in 4 season easy installation protect freezing and hail nice design suitable for project installation
non-pressurized erect-plug solar collector freezing-resist, suitable for temperature from 0 to -20 degree non-pressurized, keep it with water to ensure the tubes can't be damaged.

Glass tube length: 58x1800mm
Inner tank material: SS304 2B food grade thickness0. 5mm
Out tank material: Aluminum alloy with metal coating Dia. 450mm, Dia. 480mm inner folder tank end, button inlet/out water
Frame material: Imported hot galvanized steel folded sheet with powder painting;
Insulation: 50-60mm polyurethane total forming with pressure and best density of 40kg/m3
Available sizes: 16, 18, 20, 24, 30, 36 tubes with capacity 135ltr up to 325ltr