This is economic solar water heater and suitable for the area whose the coldest temperature is more than Fifteen Below. Product Description

The details of One Pipe Inlet-Outlet 1) Inner tank: Stainless steel SUS304-0.5mm 2) Vacuum tube: QB-AL-N/AL-47-1500/58-1800 3) Outer tank: Painted steel-0.4mm/aluminum-zinc coated steel-0.45mm/stainless steel SUS304 4) insulation: Polyurethane 50mm/60mm 5) Frame: Coated galvanized steel-1.5mm/stainless steel SUS430-1.5mm 6) Reflector: Aluminum component/stainless steel Features: 1) Inner tank: Sus304-2B stainless steel, advanced welding technique, Thickness 0.5mm 2) Out shell: Zinc and aluminum coated steel sheet or color steel sheet 3) Corrosion resistant 4) Isolation layer: 50-65mm imported polyurethane foam for superior Heat preservation 5) Frame materials: Galvanized steel, electrostatic powder coated 6) Type: 15, 18, 20, 24, 30 tubes 7) Capacity: 130-250 liter

Unpressure Solar water heater