flat solar collector---The tubes and supports are adjustable, power bearing is average, and can assure the vacuum tubes to use. flat solar collector Features

1. Water tanks are made by machine. Flower design pressed on aluminum alloy (or stainless steel) shell, beautiful and durable. Inner water tank is made of super SUS304 food grade stainless steel plates, welded by argon arc. Water is pure and drinkable.

2. Warm keeper of water tanks adopts polyurethane's cellular, thickness is 55mm.

3. Aluminum alloy (or stainless steel) supports are connected by bolts and nuts, firm and stable, easy to install.

4. Between vacuum tubes and inner water tank, we adopt milk white silicon glue rings to connect and seal them.

5. The tubes and supports are adjustable, power bearing is average, and can assure the vacuum tubes to use long time.

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solar water heater system