• With our solutions, you will:
  • Slash your utilty bills or be energy independent
  • Conserve water and save a fortune
  • Make your home greener and more comfortable!
  • Protect our environment and act on climate change!

Rinnai Sunmaster Gas Boost Solar Hot Water With Ground Tank

Be the first to review this product


Availability: Available

* Required Fields

  • Same day shipping for stocked items
  • Money back guarantee
  • Outstanding service & expert technical advice
  • AU owned & operated for 50 years

Quick Overview


INDICATIVE PRICE AFTER STC INCENTIVES* Use Household Size Menu to adjust typical pricing. Request-a-quote for your location & household size.

Rinnai’s Sunmaster solar hot water systems come with an gas instantaneous booster to ensure never-ending hot water, fantastic value for money and the security of the Rinnai brand. Available in a range of vitreous enamel tank sizes, and a choice of 2 booster sizes.

Call us on 1300 766 940 for the Price on a System customised to your household and location. 

Rinnai draws from the expertise of over 70 years experience in designing and manufacturing hot water systems.

Features & Benefits

  • High quality vitreous enamel lined steel cylinder
  • No need to reinforce the roof structure
  • Supplied with high efficiency Enduro solar collectors which use aluminium fin solar absorber to maximise efficiency
  • Evacuated Tubes available for frost prone areas
  • Collectors manufactured in Australia
  • Continuous flow gas booster powered by the same technology as the Rinnai INFINITY
  • Components supplied separately allowing you to design your own system
  • Collectors and cylinder can be installed at separate times which is ideal for working around construction plans

Use the household size menu below to see the indicative price of a suitably pre-configured system. More details are also in the table lower on the page.

*G-Store can process STC Incentives for you once all required paperwork and compliance certificates are completed. Additional rebates may also be available (eg VEECS in Victoria).

Rinnai Sunmaster Gas Boost Solar Hot Water With Ground Tank

More Views


Storage Cylinders

  • Cost effective glass lined (vitreous enamel) tanks
  • Tanks have a tall slimline design with a smaller footprint for minimal aesthetic impact
  • A sacrificial anode is provided in the tank for added protection

Enduro & Equinox Solar Collectors

  • Highly efficient aluminium fin solar absorber to maximise efficiency
  • Full aluminium casing for corrosion resistance
  • Equinox collector has added feature of frost protection

Available Options

  • 1, or 2 panels
  • 175, 215,270, 320  litre tank sizes
  • 20L/min or 26L/min or 32L/min Rinnai Solar gas boosters

G Store will suggest the right system for your requirements and climate but as a rough indication, the system size that you will need is:

Model Suits Household Size No Enduro Collectors Storage Tank Gas Booster
Sunmaster-1 1-4 People 1XL 175 Litre 20 Litres/per minute
Sunmaster-5 3-5 People 2XL 270 Litre 26 Litres/per minute
Sunmaster-SG320SL2L 6+ People 2XL 320 Litre 26 Litres/per minute

Additional Information


Contact us now to discuss the perfect Solar Hot Water system for your project

Additional Information

Energy Star Rating No


Posted by Russell Tredwell, Friday, 14 February 2014 on product Rinnai Sunmaster Gas Boost Solar Hot Water With Ground Tank


Does the Rinnai gas boosted solar 175L still need electricity.? I will be on 100% Solar and have No Mains power.( Generator) Looking for the Smallest most economical system for one to two people only.I live in Deepwater Qld 4674. Any Help would be appreciated. Thanks.


  • Posted by G Store on Friday, 14 February 2014
    Yes Russell, the Rinnai Gas Boosted system still uses electricity for the circulation pump <50w and for the Instantaneous booster 120w max

Ask a question and Give an answer. Help your fellow customer.

Ask Your Question

* Required Fields

Product Tags

Use spaces to separate tags. Use single quotes (') for phrases.

Rinnai Sunmaster Gas Boost Solar Hot Water With Ground Tank 0 out of 1 5 based on ratings. user reviews.