Rinnai Infinity HD49 Ext NG (INFHD49N)

Rinnai Infinity HD49 Int NG - Rinnai Infinity HD49 Int NG | NZ Depot
Roll over image to zoom in
Click to open expanded view

$2,279.99

🏆 Best Price Guaranteed*

In stock

Genuine Rinnai INFHD49N – Rinnai Infinity HD49 Ext NG (Rinnai INFINITY® HD49 Series internal and external). Brand new, NZ-wide delivery from NZ Depot.

Discount per Quantity

Quantity 12 - 45 - 910 +
Discount 0%5%8%10%
Price $2,279.99$2,165.99$2,097.59$2,051.99
Purchase & earn 2,280 points!
SKU: INFHD49N Categories: , , Tags: , , , , , , , , , Brand:

Rinnai Infinity HD49 Ext NG (INFHD49N): Genuine Rinnai Trade Supply

You are viewing the Rinnai Infinity HD49 Ext NG (INFHD49N) (SKU: INFHD49N). This is a 100 percent genuine Rinnai Rinnai INFINITY® HD49 Series internal and external Water Heating component, engineered for New Zealand homes and commercial sites. Refrigerant: . Cooling capacity: kW. Heating capacity: kW.

Product Details: Rinnai INFHD49N

Rinnai Infinity HD49 Ext NG

Rinnai Infinity HD49 Ext NG – Rinnai Infinity HD49 Ext NG, part of the Rinnai INFINITY® HD49 Series internal and external range. The Rinnai INFINITY HD VCM-Series are continuous flow water heaters designed for commercial applications and high hot water demand residential installations. Genuine Rinnai New Zealand product, brand new, supplied through Rinnai NZ’s trade channel.

Key Features

  • ✓ HD49kWe — HD49kWi
  • ✓ Normal — 66 W 95 W
  • ✓ Standby — 2 W 2 W
  • ✓ Antifrost — 104 W 120 W

Rinnai Infinity HD49 Ext NG — Specifications

Product Overview
Product Rinnai Infinity HD49 Ext NG
Rinnai Part Number INFHD49N
Product Range Rinnai INFINITY® HD49 Series internal and external
Category Hot Water Systems > Water Heating > External
Brand Rinnai
Technical Specifications
Gas type Available for Natural Gas or LPG, specify at the time of purchase
Colour Silver
Codes and REU numbers HD49kWe external – INFHD49N/L, REU-VCM2837WC-ZK; HD49kWi internal – INFHD49FFN/L, REU-VCM2837FFC-ZK
Hot water capacity 1.4-37 litres per minute; Nominal water capacity 28 litres per minute at a 25° rise (1680 L/h).
Hot water connections Hot water outlet R¾ (20 mm); Cold water inlet R¾ (20 mm); Gas supply R¾ (20 mm)
Exhaust system External unit – forced flue; Internal unit – room sealed 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
Ingress protection rating HD49kWe IPX5; HD49kWi IPX2
Line pressure (min.) NG – 1.13kPa, 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 pressure down.
Power consumption HD49kWe; HD49kWi; Normal; 66 W; 95 W; Standby; 2 W; 2 W; Antifrost; 104 W; 120 W
Water supply Nominal operating pressure: 220-1000 kPa; Minimum operating water flow will depend on setpoint and inlet temp.
Noise level HD49kWe – 54 dB(A); HD49kWi – 52 dB(A); Some people are susceptible to low level noise. This needs to be considered if locating an appliance near a bedroom.
Safety devices Flame failure; Boil-dry protection; Overheat protection (OHS); Fusible link; Pressure relief valve; Combustion fan rpm check
Weights HD49kWe – 20 kg, HD49kWi – 20 kg
Compliance Energy Safety Supplier Declaration of Compliance declaration number – DEC-000001841X8M7
Market release Dec 2021
MasterSpec link View Work Sections

Documents & Downloads

✔ Full Rinnai NZ Manufacturer Warranty — genuine Rinnai New Zealand product. Warranty & after-sales support.

Every Rinnai product sold by NZ Depot is brand new and dispatched NZ-wide. Order online today or contact NZ Depot for trade pricing and availability.

Need advice or trade pricing? Contact NZ Depot or browse more hot water, heating and HVAC deals at NZ Depot.

Pro Tip: Ensure this INFHD49N matches your installation. Sourced directly from the Rinnai NZ supply chain for full compatibility and manufacturer warranty.

The NZ Depot Trade Supply Advantage

🏭

No Showroom Markup

Direct trade pricing on every Rinnai unit. You pay for the product, not the overheads.

🚚

Nationwide Dispatch

From Cape Reinga to Bluff. Routed from the nearest distribution hub for fastest delivery.

🛡️

Genuine Rinnai Warranty

Full manufacturer warranty. View warranty card.

Trade and Installation FAQ

Is the Rinnai Infinity HD49 Ext NG (INFHD49N) suitable for New Zealand conditions?

Yes. The INFHD49N is engineered for the climate ranges experienced across New Zealand and is sold and supported by Rinnai NZ.

Does this unit require professional installation?

Yes. To preserve your manufacturer warranty, all refrigerant-based Rinnai equipment must be installed by a licensed New Zealand HVAC technician.

What refrigerant does the INFHD49N use?

This unit uses refrigerant, which is the modern, low-GWP standard for residential and light commercial heat pumps in New Zealand.

Looking for the best price on the Rinnai Infinity HD49 Ext NG? NZ Depot supplies the Rinnai Infinity HD49 Ext NG New Zealand wide with fast dispatch, trade pricing and genuine Rinnai warranty support. Compare the Rinnai Infinity HD49 Ext NG (INFHD49N) with the rest of the Rinnai Rinnai INFINITY® HD49 Series internal and external range, check the full specifications above, and order the Rinnai Infinity HD49 Ext NG online today or request a trade quote for volume supply.

Browse the full range of Hot Water Systems available for NZ-wide trade and retail supply.

© 2026 NZ Depot Limited. All Rights Reserved. | 100% NZ Owned and Operated. | Authorised Rinnai Trade Supplier.

Additional information

Weight 109 kg
Dimensions 640 × 640 × 1875 mm
MPN

Brand

Copper Pipe (mm)

Series

Unit Type

Reviews

There are no reviews yet

Only logged in customers who have purchased this product may leave a review.

Main Menu