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200L Evacuated Tube Thermosiphon Solar Water Heating Kit

Thermosiphoning is a method of passive heat exchange, based on natural convection, which circulates a fluid without the necessity of a mechanical pump. Thermosiphoning is used for circulation of liquids and volatile gases in heating and cooling applications such as heat pumps, water heaters, boilers and furnaces.

How Thermosyphon Systems Work
Typical thermosyphon heaters do not have pumps or controls; they are based on the natural convection principle: hot water rises, cold water sinks. As the potable water (or the antifreeze fluid, in colder climates) enters the solar panel, it warms and rises to the top of the tank, where it is stored (that’s the reason why thermosyphon cylinders are located above the collector).

Please note there due to delays at port there is a lead time up to 2 weeks on this product.

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Excl. Tax: R 18,014.78 Incl. Tax: R 20,717.00

Price as configured: Excl. Tax: R 0.00 Incl. Tax: R 0.00


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1 x KwikSol 200L 400kPa Direct Solar Geyser   +R 8,734.78 (+R 10,045.00 Incl. Tax)
1 x Anac Solar Evacuated Solar Tubes - 18 Collectors   +R 6,817.39 (+R 7,840.00 Incl. Tax)
1 x Valve Pack 2   +R 1,792.17 (+R 2,061.00 Incl. Tax)
1 x ITS 180° C High Temperature Automatic Air Release Valve   +R 268.70 (+R 309.01 Incl. Tax)
2 x 22mm Full Bore Lever Ball Valve   +R 401.74 (+R 462.00 Incl. Tax)

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Price as configured: Excl. Tax: R 0.00 Incl. Tax: R 0.00

Product Description



  • Thermosiphon systems can be equipped with either tube solar panels or flat solar panels.
  • Thermosiphon systems are cheap, reliable and since they do not have pumps or controls they do not require any significant maintenance.
  • Contrary to batch systems - and since hot water is stored in an insulated tank - they can minimize heat loss during the night-time hours.
  • Suitable for north orientation, pitched roof mounting.
  • Geyser can be installed inside the roof as it is a pumped system.
  • Evacuated tubes have a marginally higher efficiency than their flat plate counterparts during winter.
  • Direct geysers are suitable for areas with little to no frost.
  • 200L Systems are suitable for households of 4 people or less.

This kit includes the following

Additional Information

Additional Information

Geyser Litres 200 Litres
Collector / Panel Type Evacuated Tube Collectors
Disclaimer Please note that stock availability is subject to prior sales. Prices exclude delivery. The image serves as an example of what the product looks like and may differ slightly in appearance.
Guarantee/ Warranty 12 month product warranty


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