250L Non Pressure Solar Water Heater 8L Top Water Tank 15L Little Tank

250L Non Pressure Solar Water Heater 8L Top Water Tank 15L Little Tank

Technical Specifications:

Inner tank use stainless steel SUS304, outside water tank shell all are made of Colored steel sheet, welded by argon arc. Water is pure and drinkable

Heat insulation of water tanks adopts polyurethane foam, thickness is 55mm

Silicon rings to connect and seal them

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

Whole glass vacuum tubes adopt super hard borax and silica glass

Absorb rate:≥ 93%,thermal radiation rate:≤6%

Resist 25mm hail, using life can last 15 years

Temperature when exposed to sun without water: 250°c, 2.5hours to boiling if using single tube.

Packaging & Delivery:

Packaging Details: CARTOON ;for samples ,the vacuum tubes will be packaged by wooden box.

Delivery Detail: 15working days for 20GP ;20days for 40Hq container.

Specifications:
1). Inner tank: SUS 304 2B Stainless Steel.
2). Outer tank: Galvanized Steel or SUS 304 2B Stainless Steel.

Features:
1). Makes water flow into the main storage tank automatically.
2). Available for pressurized, non-pressurized systems.
3). Automatically control, more comfortable, it won't waste water if you forget to turn off the water faucet.
4). Plays a role as water feeder, it can control the water level because there is a ball cock in the assistant tank.

And all the cold water flow in via the assistant tank, so when the water in the solar water tank is full,

it will stop supplying water by closing the water valve.

On the contrary, when the water in the big water tank is not sufficient,

it will open the water valve automatically when continue to supply cold water into the big tank.
5). It has different volume as well, the bigger the assistant tank, the more pressure it can endure.