INFINITY HD200 External

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External continuous flow gas hot water heater preset to 75 °C with status monitor. Status monitor has an added feature of displaying an LC (00) error code when unit requires cleaning (due to scale build-up).

Improved durability in hard water areas (such as Wanganui).

Hot water capacity
2.4 to 30 litres per minute.

Suitable for

• Commercial and domestic external applications
• Applications requiring higher hot water temperatures, can be set up to 85 °C
• Mains and medium pressure systems
• Solar installations as a gas boost

Hard or acidic water will need to be treated to use this product.

  • Not suitable as a spa or swimming pool heater
  • Not suitable for hydronic applications

Gas type
Available for Natural Gas or LPG. Specify gas type at time of purchase.

Basic clearances
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.



199 MJ/h or 55 kW


47 kW



Energy Star Rating

REU number: REU-VRM2632WC
Factory preset temperature: 75 °C
Rinnai product code: INFHD200HNCN/ INFHD200HNCL


Capacity Hot water capacity: 2.4 to 30 litres per minute
Nominal water capacity: 26 litres per minute at a 25 °C rise (1560 L/h)
Nominal water capacity: 16.4 litres per minute at a 40 °C rise (984 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 NG: 1.25, 1.95,   LPG: 0.75, 1.15
Ingress protection rating IPX4
Line pressure (min.) NG: 1.0 kPa, LPG: 2.0 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.

Noise level 50 dB(A)
NOx af less than 60 ppm
Power consumption  Normal: 48 W (NG) and 60 W (LPG), Standby: 2 W, Automatic Frost Protection: 100 W
Safety devices  Flame failure, boil-dry protection, overheat protection (OHS), fusible link, pressure relief valve, combustion fan rpm check
Water supply Nominal operating pressure: 130-1000 kPa
Minimum water flow: 2.4 litres per minute
Weight 21 kg
Market release • first launched 2010
• relaunched 2011
Compliance ES: Supplier Declaration of Compliance
• Declaration Number: 12410201012
• Certificate Number: 6330

Rinnai INFINITY HD200 external dimension diagram

Shipping cost

New Zealand

  • Delivered using Appliance Star Delivery Service and/or reputable New Zealand Logistics Companies.
  • A track and trace can be provided.
  • Signatures are required on these parcels.
  • In the event that your parcel does not arrive with 15 working days of placing the order, please notify us.

Order Processing Time

  • Orders are processed within 3 to 5 working days of receipt (processing time does not include weekend and public holidays).
  • Orders placed on Saturday and Sunday will be processed on the following Monday.
  • Orders are processed and shipped on business days only (Monday through Friday, excluding holidays).
  • You should contact us immediately for any urgent items on your order.

Shipment Lead Time

  • Shipping time depends upon location and customs.
  • New Zealand Delivery can take 1 to 4 business days plus our processing time as mentioned above.


Track and Trace

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.