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Model SWH300LETC -300 Litre Solar Water Heater - ETC Based

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This is the most popular and widely used water heater, primarily, because not only this is economical to buy but also easy to maintain. This kind of water heater can be used under harsh conditions and wide variety of water quality. It is Easy to install. Non Pressure or ETC or Evacuated Tube Solar water heater is a system where the water tank and the solar collector is interconnected directly.

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Benefits:

  • Easy to Install
  • Economical Cost
  • Easy to maintain
  • Can be used with wide variety of water without scaling.

Characteristics:

  • It is not easy to be frozen and cracked down even in harsh weather. 
  • The shortcoming of bursting of tube or water leakage due to aged rubber ring is eradicated.
  •  The water tank is welded scientifically under the high frequency welded and argon-arc weld. The non-pressurized vaccum tube can be directly connected with tap water system to operate automatically with pressure-bearing. 
  • Hot water can be used directly, or can be used as a pre-heat. 
  •  Electric heater can be used 1500W or 3000W (Optional)

  • Inner tank: SUS304-2B food grade stainless steel (thickness: 0.3mm-0.6mm).
  • Outer tank: Coated. (thickness: 0.5mm-0.6mm). 
  • Heat insulation layer: Imported PU (thickness: 55-60mm). 
  • The normal size of vacuum tube is 58mm*1800 . 
  • The bracket is made of galvanized steel with stoving varnish(thickness: 1.2mm-1.5mm). 
  • Bracket degree: 45 /38 degree(normal). The actual value can be adjusted according to your latitude.
  • Rated Voltage of electric heater: 220V or 110V