This product is the Non-Pressure Series Solar water heater.
The material of this solar water heater:
Inner tank: SUS304-2B stainless steel, the thickness is 0.4mm; the diameter is 360mm;
Outer tank: 0.4mm thickness color steel plate or aluminum-zinc alloy steel plate, the diameter is 360mm;
Thermal insulation level: 55mm thickness imported polyurethane overall foaming;
Bracket: high aluminum zinc alloy steel plate with superior quality crook to forming, electric static spraying, economy and durability, or stainless steel SUS430-1.55mm， applicable to flat floor and pitched roof;
Vacuum tube: all glass vacuum tube, two Pipes inlet-outlet type; the absorbing coating is used of QB-AL-N/AL-47-1500/58-1800, there are two models: Ф58-1800mm / Ф47-1500mm.
Reserve the electrical heating gate and the gas vent,
There are other color for the bracket and ending cover: Derby red, dark green and saffron yellow.
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