solar water heater

1>It changers the cold water with a voilet gold tube to the water tank; 2>no need to wait; 3>without valtile tubes.without incrusting. long usage life; 4>when it works it could withstand pressured of tap water; 5>the storage tank acts as a thermal source; 6>completely automatic opration 7>Vacuum tubes: Φ58-1,800mm 8>Material of inner tank: SUS304-2B stainless steel with 0.4mm thickness 9>Material of outer tank: SUS304-2B stainless steel with 0.4mm thickness 10>Copper coil: the diameter is 12mm, thickness is 1m 11>Bracket: galvanized steel plate with plastic spraying.