The Rinnai INFINITY XR-Series are temperature controlled continuous flow gas hot water heaters for residential applications. Factory preset to 55 °C.
Gas continuous flow is an energy efficient heating system as it's only on when you need hot water.
The XR26a / XR26ia models in the range were designed for aggressive water areas (such as Christchurch).
White
81%
55 °C
Hard or acidic water will need to be treated in order to use this product
Available for Natural Gas or LPG (XR26ia was only available in LPG). Gas type specified at time of purchase.
| Model | Input | Output |
| XR16 | 125 MJ/h | 28 kW |
| XR20 | 160 MJ/h | 35.6 kW |
| XR24 | 188 MJ/h | 42 kW |
| XR26 | 199 MJ/h | 44.6 kW |
| XR26i XR26ia | 195 MJ/h | 44.5 kW |
Forced flue
Balanced flue room sealed appliance
Fitted as standard. Frost protection operates automatically, as long as the appliance is connected to the electrical power supply, by activating when the temperature inside the unit drops below 3.5 °C, and turns off once the temperature inside the unit reaches 7 °C.
Direct electronic ignition
| Model | NG (mm) | LPG (mm) |
| XR16 & XR20 | 0.85, 1.30 | 0.70, 1.05 |
| XR24 & XR26 | 1.0, 1.55 | 0.70, 1.05 |
NG: 1.13 kPa, LPG 2.75 kPa
3.5 kPa (maximum standing pressure under abnormal intermittent conditions is 5.0 kPa).
In the case of commercial metering, (i.e. 35-37 kPa coming in), there may be a requirement to regulate the incoming pressure down).
| Model | NG | LPG | Standby | Auto. frost protection |
| XR16 | 40 W | 45 W | 2 W | 72 W |
| XR20 | 47 W | 51 W | 2 W | 72 W |
| XR24 | 45 W | 52 W | 2 W | 72 W |
| XR26 | 52 W | 57 W | 2 W | 72 W |
| XR26i XR26ia | 65 W | 65 W | 2 W | 100 W |
Valve opens at 2060 kPa, and closes at 1470 kPa
50 dB(A)
XR16 - 35 ppm, XR20 - 42 ppm, XR24 - 48 ppm, XR26 - 52 ppm
Flame failure, boil-dry protection, overheat protection, fusible link, pressure relief valve and combustion fan rpm check
Nominal operating pressures:
Activation flow rate 2.4 L/min
XR16, XR20, XR24 = 15 kg
XR26 = 17 kg
XR26i, XR26ia = 22 kg
Energy Safety Supplier Declaration of Compliance Declaration numbers:
2006
2011, superseded by the VT series
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