S20 Solar Booster
S20 Solar Booster
Built in intelligence
The Rinnai S20 Gas Booster is a high-performance solution that incorporates the advanced technology of the renowned Infinity hot water system, designed specifically for solar boosting applications.
With intelligent built-in controls, it seamlessly supports your solar hot water setup, ensuring a reliable supply of hot water even during low solar gain periods. Factory set to deliver water at 70°C, the S20 offers an impressive maximum flow rate of 20 litres per minute - more than enough to efficiently service multiple fixtures in your home.
Ideal for use with Rinnai Sunmaster or Prestige solar hot water systems, it ensures years of dependable, energy-efficient operation.
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Designed specifically for solar
Never runs out of hot water
Perfect for single bathroom homes
External model built to withstand Australian conditions
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 This information may be different for superseded products. For superseded products please contact Rinnai to confirm product information.
| Dimensions | mm |
| Height / Width / Depth (mm) | 530 / 350 / 194 |
| Height inc Brackets (mm) | 571 |
| Hot Water Outlet from wall (mm) | 87 |
| Hot Water Outlet left from Centre (mm) | 105 |
| Cold Water Inlet from wall (mm) | 68 |
| Cold Water Inlet right from centre (mm) | 10 |
| Gas Connection from wall (mm) | 77 |
| Gas Connection right from centre (mm) | 83 |
| Gas Connection Length from base (mm) | 40 |
| Cold Connection Length from base (mm) | 50 |
| Hot Connection Length from base (mm) | 39 |
| Technical Information | Values |
| Colour | Dune |
| Factory Default Temperature (Celsius) | 70 |
| Water Pressure (kPa): Minimum | 160 |
| Water Pressure (kPa): Maximum | 1000 |
| Gas Rate (MJ): Maximum | 125 |
| Flow Rate (L/min): Maximum | 20 |
| Star Rating | N/A |
| Connection Sizes: Gas / Hot / Cold (mm) | 20 / 20 / 20 |
| Status Monitor | No |
| Compatible with water controllers | No |
Note: Can NOT be used as a stand alone continuous flow water heater
