Temperature controlled continuous flow gas hot water system for external applications. Factory preset to 55 °C.
Hot water capacity
2.4 to 37 litres per minute.
Suitable for
• Commercial and domestic external applications
• Applications requiring higher hot water temperatures, can be set up to 95 °C
• Mains and low pressure systems
• Solar installations as a gas boost
Hard or acidic water will need to be treated in order to use this product.
Gas type
Available for Natural Gas or LPG. Specify gas type at time of purchase.
The following diagram has been provided to assist you in determining where (and if) an external continuous flow water heater can be positioned. If in doubt, prior to purchase, consult a licensed gasfitter.
Clearance below eaves, balconies, and other projections, for all models is 300 mm.
* Rinnai recommend 1.5 m to give enough clearance for the pipe work, and to safely expel flue gases.
| REU number: | REU-VR3237WG |
| Factory preset temperature: | 55 °C |
| Rinnai product code: | INFHD250HNCN/ INFHD250HNCL |
| Capacity | Hot water capacity: 2.4 to 37 litres per minute Nominal water capacity: 32 litres per minute at a 25 °C rise (1920 L/h) |
| Connections | Hot water oulet: R¾ (20 mm) Cold water inlet: R¾ (20 mm) Gas supply: R¾ (20 mm) |
| Exhaust system | Forced flue |
| Frost protection | 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. |
| Ignition system | Direct electronic ignition |
| Injector size (mm) | NG: 1.00, 1.65 LPG: 0.75, 1.15 |
| Line pressure (min.) | NG: 1.13 kPa, LPG:2.75 kPa |
| Line pressure (max.) |
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 line pressure down. |
| Power consumption | Normal: 72 W, Standby: 2 W, Automatic Frost Protection: 116 W |
| Pressure relief | Valve opens at 2060 kPa, valve closes at 1470 kPa |
| Noise level | 49 dB(A) |
| Safety devices | Flame failure, boil-dry protection, overheat protection (OHS), fusible link, pressure relief valve, combustion fan rpm check |
| Water supply | Nominal operating pressure: 200-1000 kPa Minimum water flow: 2.4 litres per minute |
| Weight | 29 kg |
| Compliance | ES: Supplier Declaration of Compliance: • Declaration Number: 10996200911 • Certificate Number: 6071 |
New Zealand
New Zealand
Yes. Track and trace is available for domestic parcels. If you would like to receive your tracking number, please contact us or simply write your request during check out.
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