Solar heating system
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Solar Heating system

     All the parts are the same to non pressure solar water heater, except adding a heat exchanger copper coil inside big tank. When cold water flows into the copper coil, it absorbs the heat of the water in big tank via the copper coil, to get hot water.  It can bear the pressure from tap water (6 bars), so there will be a more comfortable shower. Meantime hot water that we use not transfer in solar tank directly, the hot water is more clean and healthy.

      This type, we need to install auxiliary tank, it just makes up some water into tank in case evaporating from air vent. Because we do not use water from the big tank, the tank just work as heat source to heat water inside copper coil. So after days or months, water will be less and less, auxiliary tank will auto feeding water into the big tank.

Feature

1) The pressure of hot water is pressure of tap water directly, you can enjoy more comfortable shower.
2) Hot water that we use flow in copper coil without transferring in tank directly, so the water is cleaner and healthier, improve your life quality.
3) There is no need to wait, you can enjoy instant hot water at any time.
4) It is also suitable for some area with bad water quality such as hard water, impurity water etc. We only need get high quality water in water tank as a thermal source, refresh it during some time in interval. This will increase vacuum tube heat efficiency and increase whole system life performance.

Material
1) Heat exchanger: Copper Coil (30~50 meter length)
2) vacuum tube: 58*1800 mm
3) Inner water tank material: SUS304 2B stainless steel
4) Outer water tank material : Color steel 0r SUS 201/SUS 304 BA stainless steel
5) Insulation: 55-60mm polyurethane integral foam
6) Frame: Aluminum alloy,color steel or SUS201
7) Max Pressure: 1MPa
8) Heat preservation: 80-90 hours
9) Hail resistance: 25mm