Rinnai INFINITY® NB-Series Gas Continuous Flow Water Heater
The Rinnai INFINITY® NB-Series delivers efficient continuous flow hot water for commercial premises and homes with high hot water demand. Choose the internal or external model to suit your installation.
Features
- 97% thermal efficiency with condensing technology
- 444 stainless steel heat exchangers and internal piping
- Smart-Sense adaptive gas valve technology
- Nominal capacity: 32 litres/minute at a 25°C temperature rise
- 55.8 kW output; gas input 16–209 MJ/h
- Universal gas models: installer configures Natural Gas or ULPG during commissioning
- Silver finish; electronic ignition and built-in frost protection
Model Options & Dimensions
- External — NB56kWe / INFNB56S: 796 H × 470 W × 290 D mm; appliance weight 27 kg
- Internal — NB56kWi / INFNB56FFS: 654 H × 470 W × 290 D mm; appliance weight 25 kg
Please note: Installation and commissioning require a licensed gasfitter. The internal model requires an appropriate Rinnai flue system. Both models require electricity and condensate drainage. Not suitable for swimming pools, spas or hydronic heating. Refer to the specification and installation PDFs for complete requirements.
The Rinnai INFINITY® NB-Series delivers efficient continuous flow hot water for commercial premises and homes with high hot water demand. Choose the internal or external model to suit your installation.
Features
- 97% thermal efficiency with condensing technology
- 444 stainless steel heat exchangers and internal piping
- Smart-Sense adaptive gas valve technology
- Nominal capacity: 32 litres/minute at a 25°C temperature rise
- 55.8 kW output; gas input 16–209 MJ/h
- Universal gas models: installer configures Natural Gas or ULPG during commissioning
- Silver finish; electronic ignition and built-in frost protection
Model Options & Dimensions
- External — NB56kWe / INFNB56S: 796 H × 470 W × 290 D mm; appliance weight 27 kg
- Internal — NB56kWi / INFNB56FFS: 654 H × 470 W × 290 D mm; appliance weight 25 kg
Please note: Installation and commissioning require a licensed gasfitter. The internal model requires an appropriate Rinnai flue system. Both models require electricity and condensate drainage. Not suitable for swimming pools, spas or hydronic heating. Refer to the specification and installation PDFs for complete requirements.
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