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The very best in solar hot water! 300L to 300L Solar Changeover.
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Hurry! this is a limited time offer. 300 litre solar to solar changeover from $3,190* (single panel) or $3,490* (twin panel).

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Replace your old system with a 300L solar to solar change-over. Fully installed and commissioned by experts and backed by a comprehensive warranty. This is system has been designed by Australian plumbers and is fully watermarked for Australian conditions. Value, quality and lots of hot water.


This offer includes:

  • 300 litre roof-mounted tank & large high performance single or twin panel system.
  • perfectly suited to smaller households or those with limited roof space.
  • Solid 5 year warranty on Tank and Collector Panels.
  • Powerful large solar panels that soak up heaps of solar energy
  • Includes removal of old system and replacement of isolation valves. Great service!
  • Fully Installed and designed by Australian plumbers for Australian conditions.
  • Use the sun’s unlimited FREE energy to provide up to 80% of your hot water heating needs.
  • Solargain’s roof mount solar hot water heaters are traditional close-coupled thermosiphon systems, combining roof mounted solar collectors and storage tanks, which are ideal for applications that are short of available ground space. 
  • Solar powered roof mount systems are highly efficient and use natural thermal convection to circulate hot water from the collectors to the tank without the need for electric pumps.
  • Roof-mounted tank & collectors. Thermosiphon system with natural convection circulation of hot water.
  • Huge federal government incentives still available!
  • Earn up to 5,000 Qantas points.*

More information about Solargain's Roof Mount 300L Single Panel with Electric Boost is available here. Or, read about Solargain's Roof Mount 300L Double Panel system here.

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Special Terms and Conditions
  1. Price is when replacing solar hot water system for a solar hot water system. Subject to transfer of STCs / State & Fed Rebates to Solargain PV Pty Ltd. Price based on standard installation conditions for single storey dwellings for metro areas and is subject to change without notice. Conditions apply.
  2. Visit this page to read the full Terms & Conditions regarding our partnership with Qantas Frequent Flyer and earning Qantas Points on this offer.
  3. Offer only available in Perth Metro areas. Please contact your local dealer for other locations.
  4. *Visit this page to read the full Terms & Conditions regarding our partnership with Qantas Frequent Flyer and earning Qantas Points on this offer.
  5. *You must be a Qantas Frequent Flyer member to earn Qantas Points. A joining fee usually applies, however Solargain customers can join for free here.
  6. *Membership and Qantas Points are subject to the Qantas Frequent Flyer program Terms and Conditions.
  7. Qantas Frequent Flyer Members will earn Qantas Points on eligible systems and eligible services on the following basis provided they are sold directly through Solargain PV Pty Ltd:
    a. *500 Qantas Points on Service & Maintenance of a Solar PV or Solar Hot Water System;
    b. *2,000 Qantas Points on Solar PV System Upgrades;
    c. *5,000 Qantas Points on Solar Hot Water Systems.
    d. *1 Qantas Point per dollar spent on Solar PV Systems, after the deduction of STC value but including GST
    e. *1 Qantas Point per dollar spent on Battery or Energy Storage Systems, after the deduction of STC value but including GST
  8. For products sold directly through Retail Partners, Qantas Frequent Flyer Members will earn Qantas Points on the following basis
    a. 1,000 Qantas Points on Solar PV Systems
    b. 1,000 Qantas Points Battery and Energy Storage Systems
    c. 1,000 Qantas Points on Solar Hot Water Systems.
  9. *Members must provide their Qantas Frequent Flyer number prior to the day of their installation or during the quotation process to earn points.
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