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Rinnai S28i Solar Booster

Rinnai S28i Solar Booster

Servicing multiple fixtures at once

Rinnai 12 Year WarrantyThe Rinnai S28i Solar Gas Booster combines the cutting-edge technology of our renowned Infinity Gas Hot Water systems with advanced intelligence designed specifically for solar boosting.

Ideal for use with Rinnai Sunmaster or Prestige Solar Hot Water Systems, the S28i ensures a reliable supply of hot water, even during periods of low solar energy. Factory set to 70°C and capable of delivering a generous 28 litres per minute, it’s perfect for servicing multiple fixtures in busy households. Its compact internal design is ideal for homes with limited external space.

Featuring built-in status monitoring, the S28i provides efficient, high-performance operation and long-lasting, energy-smart comfort.

Dimensions:

H: 600, W: 350, D: 235

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Designed specifically for solar

Never runs out of hot water

12 year heat exchanger warranty

Superior technology

  • Quality Japanese design and manufacturing
  • Precise temperature control for safety and convenience
  • Compact design allows installation flexibility
  • Suitable for higher ambient water temperatures
  • Compatible with low flow rated shower fixtures (3 Star - 7.0 to 9.0 l/min)

Rinnai quality

  • After sales support
  • 12 year warranty on heat exchanger

 

The product information on this website (comprising product brochures, warranty information, installation manuals, diagrams, specifications and representations) relates to current products. This information may be different for superseded products. For superseded products please contact Rinnai to confirm product information.

Rinnai – S28i Solar Booster Unit Values
Dimensions H x W x D mm 583 x 357 x 245
Height including Brackets mm 648
Hot Water Outlet From Wall mm 91
Left from Centre 110
Cold Water Inlet From Wall mm 70
Right from Centre 27
Gas Connection From Wall mm 99
Right from Centre 89
Length from Base 36
Hot Connection Length from Base mm 36
Cold Connection Length from Base mm 46
Colour White
Star Energy Rating N/A
Connection Sizes Gas mm 20
Hot 20
Cold 20
Flow Rate Maximum l/min 28
Gas Rate Maximum Mj 210
Water Pressure Minimum kPa 220
Maximum 1000
Factory Default Temperature °C 70
Status Monitor Yes
Compatible with Water Controllers No

Note: Can NOT be used as a stand alone continuous flow water heater

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