Temperature controlled continuous flow gas hot water heaters. Primarily used for residential applications. Four models in the range, including an 'a' aggressive model.
White
55 °C
Hard or acidic water will need to be treated in order to use this product. Exception to this is the XR32a model, which is designed for aggressive water areas such as Christchurch.
Available for Natural Gas or LPG (XR32a was only available in LPG). Gas type specified at time of purchase.
| Model | Input | Output |
| XR18 | 140 MJ/h or 39 W | 32 kW |
| XR26i | 195 MJ/h or 54 kW | 47 kW |
| XR32 | 250 MJ/h or 68 kW | 57.6 kW |
| XR32a | 250 MJ/h or 69 kW | 55.2 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) |
| XR18 | 0.85, 1.30 | 0.70, 1.05 |
| XR32 | 1.05, 1.65 | 0.75, 1.15 |
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 | Standby | Auto. frost protection |
| XR18 | 46 W | 2 W | 74 W |
| XR26i | 65 W | 2 W | 100 W |
| XR32 / XR32a | 72 W | 2 W | 116 W |
Valve opens at 2060 kPa, and closes at 1470 kPa
49 dB(A)
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
XR18 = 15.5 kg
XR26i = 22 kg
XR32 = 25 kg
XR32a = 21 kg
2006
2008 - XR32a
2009, superseded by the VT-Series
XR32a was discontinued in 2010
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