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Rinnai Infinity A28 Int NG (INFA28FFN)
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$2,269.99
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Genuine Rinnai INFA28FFN – Rinnai Infinity A28 Int NG (Rinnai INFINITY® A-Series Internal and External). Brand new, NZ-wide delivery from NZ Depot.
Discount per Quantity
| Quantity | 1 | 2 - 4 | 5 - 9 | 10 + |
|---|---|---|---|---|
| Discount | 0% | 5% | 8% | 10% |
| Price | $2,269.99 | $2,156.49 | $2,088.39 | $2,042.99 |
Rinnai Infinity A28 Int NG (INFA28FFN): Genuine Rinnai Trade Supply
You are viewing the Rinnai Infinity A28 Int NG (INFA28FFN) (SKU: INFA28FFN). This is a 100 percent genuine Rinnai Rinnai INFINITY® A-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 INFA28FFN
Rinnai Infinity A28 Int NG – Rinnai Infinity A28 Int NG, part of the Rinnai INFINITY® A-Series Internal and External range. Rinnai INFINITY gas continuous flow water heaters for residential applications. Genuine Rinnai New Zealand product, brand new, supplied through Rinnai NZ’s trade channel.
Rinnai Infinity A28 Int NG — Specifications
| Product Overview | |
| Product | Rinnai Infinity A28 Int NG |
| Rinnai Part Number | INFA28FFN |
| Product Range | Rinnai INFINITY® A-Series Internal and External |
| Category | Hot Water Systems > Water Heating > Internal |
| Brand | Rinnai |
| Dimensions & Weight | |
| Input MJ/h | 11-210 |
| Output kW | 48.8 |
| Technical Specifications | |
| Gas type | Available for Natural Gas or LPG, specify at the time of purchase |
| Available fixed temperatures | 40, 42, 50, 55, 60, 65 °C (70, 75, 85 °C*); * A28i model only |
| Codes and REU numbers | A16: INFA16N/L, REU-A1620WG-ZK; A20: INFA20N/L, REU-A2024WG-ZK; A24: INFA24N/L, REU-A2426WG-ZK; A26: INFA26N/L, REU-A2626WG-ZK; A28i: INFA28FFN/L, REU-VCM2837FF-ZK |
| Hot water capacity | A16: 1.5-16 L/min; A20: 1.5-20 L/min; A24: 1.5-24 L/min; A26: 1.5-26 L/min; A28i: 1.4-37 L/min |
| Input and output | Model; Input MJ/h; Output kW; A16; 16.3-124; 27.8; A20; 19.9-156; 34.9; A24; 16.3-184; 42.0; A26; 16.3-199; 44.5; A28i; 11-210; 48.8 |
| Exhaust system | External units – 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 |
| Injector sizes | Model; NG; LPG; A16; 0.9, 1.50; 0.71, 1.09; A20-A26; 1.08, 1.80; 0.73, 1.12 |
| 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 | Normal: 47 W (A16), 58 W (A20), 56 W (A24), 66 W (A26), 95 W (A28i); Standby: 2 W; Automatic frost protection: 68 W (A16-A26), 120 W (A28i) |
| Pressure relief | Valve opens at 2060 kPa, closes at 1470 kPa |
| Water supply | Nominal operating pressure:; A16: 120-1000 kPa; A20: 160-1000 kPa; A24: 200-1000 kPa; A26: 200-1000 kPa; A28i: 220-1000 kPa; Minimum operating water flow will depend on setpoint and inlet temp. |
| Noise level | External units 50 dB(A), internal unit 54 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; Fusible link; Pressure relief valve; Combustion fan RPM check |
| Weights | A16: 13 kg; A20: 14 kg; A24/A26: 15 kg; A28i: 21 kg |
| Compliance | Energy Safety Supplier Declaration of Compliance declaration numbers:; A16 – 1825920179; A20 – 1825820179; A24 – 1825720179; A26 – 1825620179; A28i – DEC-000001841X8M7 |
| Market release | A16-A26: 2018; A28i: Dec 2021 |
| MasterSpec link | View Work Sections |
Documents & Downloads
- 📄 Water Heating Catalogue
- 📄 Rinnai INFINITY A28i flyer
- 📄 INFINITY continuous flow operation guide
- 📄 Rinnai INFINITY A-Series EF26 installation guide
- 📄 Rinnai INFINITY HD49 & A28i installation guide
- 📄 Flue installation A28i-HD49kWi using FFAL (aluminium) post-2026
- 📄 Flue installation A28i-HD49kWi using FFSS (stainless) pre-2026
- 📄 A-Series product technical statement
- 📄 A-Series seismic force calculation
- 📄 A28i (and HD49kWe) seismic force calculation
✔ 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 INFA28FFN 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.
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Nationwide Dispatch
From Cape Reinga to Bluff. Routed from the nearest distribution hub for fastest delivery.
Downloads and Documents
Trade and Installation FAQ
Is the Rinnai Infinity A28 Int NG (INFA28FFN) suitable for New Zealand conditions?
Yes. The INFA28FFN 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 INFA28FFN 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 A28 Int NG? NZ Depot supplies the Rinnai Infinity A28 Int NG New Zealand wide with fast dispatch, trade pricing and genuine Rinnai warranty support. Compare the Rinnai Infinity A28 Int NG (INFA28FFN) with the rest of the Rinnai Rinnai INFINITY® A-Series Internal and External range, check the full specifications above, and order the Rinnai Infinity A28 Int 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.
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Additional information
| Weight | 109 kg |
|---|---|
| Dimensions | 640 × 640 × 1875 mm |
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