S26i Solar Booster

The S26i gas booster uses all the technological advancements of the famous INFINITY with built in intelligence for solar boosting. It is factory set at a temperature of 70 degrees Celcius, offers 26 l/min maximum flow rate and has the added bonus of internal installation compatibility. If your short of room on the outside of your home then this is ideal when used with either a Rinnai Sunmaster or Rinnai Prestige solar hot water system.

Designed specifically for solar

Never runs out of hot water

Internal model perfect when external space is a premium

Room sealed appliance

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


Colour White
Factory Default Temperature (Celsius) 70
Water Pressure (kPa) : Minimum 160
Water Pressure (kPa) : Maximum 1000
Gas Rate (MJ) : Maximum 195
Flow Rate (l/min) : Maximum 26
Star Rating N/A
Connection Sizes Gas/Hot/Cold (mm) 20/20/20
Status Monitor Yes
Width (mm) 350
Depth (mm) 235
Height (mm) 600
Height inc Brackets (mm) 641
Hot Water Outlet from wall (mm) 91
Hot Water Outlet left from Centre (mm) 110
Cold Water Inlet from wall (mm) 70
Cold Water Inlet right from centre (mm) 27
Gas Connection from wall (mm) 99
Gas Connection right from centre (mm) 89
Gas Connection Length from base (mm) 41
Cold Connection Length from base (mm) 51
Hot Connection Length from base (mm) 42
Water controller compatible No

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

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