The Rinnai Infinity B12 Gas Continuous Flow Hot Water System is expertly engineered to deliver reliable, energy-efficient hot water for single-bathroom households. With a compact and slimline design, it offers a space-saving solution that doesn’t compromise on performance or convenience. Designed specifically for Australian conditions, the Infinity B12 ensures a steady and consistent supply of hot water, regardless of variations in water flow or ambient temperature. Operating with high efficiency, the B12 only consumes energy when a tap is turned on—making it an ideal choice for eco-conscious users looking to lower their utility bills and environmental impact. Its 6.2-star equivalent energy rating underscores its superior performance, setting a benchmark as the most efficient 12-litre continuous flow system on the market. Built with user comfort and safety in mind, the Infinity B12 includes advanced features such as Puretemp stability control for consistent water temperature, precise digital temperature display, and robust safety monitoring. It's compatible with low-flow fixtures and supports both natural gas and LPG models, giving users greater flexibility based on installation needs. Whether you're upgrading your current system or installing in a new home, the B12 integrates seamlessly and offers the option to add smart hot water controllers for even more convenience.
The Rinnai Infinity B12 Gas Continuous Flow Hot Water System is expertly engineered to deliver reliable, energy-efficient hot water for single-bathroom households. With a compact and slimline design, it offers a space-saving solution that doesn’t compromise on performance or convenience. Designed specifically for Australian conditions, the Infinity B12 ensures a steady and consistent supply of hot water, regardless of variations in water flow or ambient temperature. Operating with high efficiency, the B12 only consumes energy when a tap is turned on—making it an ideal choice for eco-conscious users looking to lower their utility bills and environmental impact. Its 6.2-star equivalent energy rating underscores its superior performance, setting a benchmark as the most efficient 12-litre continuous flow system on the market. Built with user comfort and safety in mind, the Infinity B12 includes advanced features such as Puretemp stability control for consistent water temperature, precise digital temperature display, and robust safety monitoring. It's compatible with low-flow fixtures and supports both natural gas and LPG models, giving users greater flexibility based on installation needs. Whether you're upgrading your current system or installing in a new home, the B12 integrates seamlessly and offers the option to add smart hot water controllers for even more convenience.
Rinnai Infinity 12 Continuous Flow Gas Hot Water Pre-Set Degrees inf12 50 Degrees
The Rinnai Infinity B12 Gas Continuous Flow Hot Water System is expertly engineered to deliver reliable, energy-efficient hot water for single-bathroom households. With a compact and slimline design, it offers a space-saving solution that doesn’t compromise on performance or convenience. Designed specifically for Australian conditions, the Infinity B12 ensures a steady and consistent supply of hot water, regardless of variations in water flow or ambient temperature. Operating with high efficiency, the B12 only consumes energy when a tap is turned on—making it an ideal choice for eco-conscious users looking to lower their utility bills and environmental impact. Its 6.2-star equivalent energy rating underscores its superior performance, setting a benchmark as the most efficient 12-litre continuous flow system on the market. Built with user comfort and safety in mind, the Infinity B12 includes advanced features such as Puretemp stability control for consistent water temperature, precise digital temperature display, and robust safety monitoring. It's compatible with low-flow fixtures and supports both natural gas and LPG models, giving users greater flexibility based on installation needs. Whether you're upgrading your current system or installing in a new home, the B12 integrates seamlessly and offers the option to add smart hot water controllers for even more convenience.
The Rinnai Infinity B12 Gas Continuous Flow Hot Water System is expertly engineered to deliver reliable, energy-efficient hot water for single-bathroom households. With a compact and slimline design, it offers a space-saving solution that doesn’t compromise on performance or convenience. Designed specifically for Australian conditions, the Infinity B12 ensures a steady and consistent supply of hot water, regardless of variations in water flow or ambient temperature. Operating with high efficiency, the B12 only consumes energy when a tap is turned on—making it an ideal choice for eco-conscious users looking to lower their utility bills and environmental impact. Its 6.2-star equivalent energy rating underscores its superior performance, setting a benchmark as the most efficient 12-litre continuous flow system on the market. Built with user comfort and safety in mind, the Infinity B12 includes advanced features such as Puretemp stability control for consistent water temperature, precise digital temperature display, and robust safety monitoring. It's compatible with low-flow fixtures and supports both natural gas and LPG models, giving users greater flexibility based on installation needs. Whether you're upgrading your current system or installing in a new home, the B12 integrates seamlessly and offers the option to add smart hot water controllers for even more convenience.
in 22 offers
The lowest price for Rinnai Infinity 12 Continuous Flow Gas Hot Water Pre-Set Degrees inf12 50 Degrees right now is $840.00 at G Store, compared across 11 retailers.
The all-time low was $840.00 on 19 Oct 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 2 Nov 2026.
Last updated at 02/11/2026 04:08:14
Rinnai Infinity B12 Gas Continuous Flow Hot Water Natural Gas 50°
Delivery $66.82
Rinnai Infinity B12
Delivery between 6–12 Nov $44
Rinnai Infinity B12 Instant Gas Hot Water System by Hilton Plumbing
Delivery between Tue – Thu $55
Rinnai Infinity B12 Instant Gas Hot Water System
Free delivery between Wed – Fri
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Rinnai Infinity 12 Continuous Flow LP Gas Hot Water Pre-Set 50 Degrees INF12L50B
Free delivery by Wed
Rinnai Infinity 12 Continuous Flow Natural Gas Hot Water Pre-Set 50 Degrees INF12N50B
Free next-day delivery
Rinnai Infinity B12 Gas Continuous Flow Hot Water System - Natural Gas / 50°C
Free delivery
Rinnai Infinity B12 Continuous Flow LPG Preset 50°C
Delivery $15
Rinnai Infinity B12 Continuous Flow Natural Gas Preset 50°C
Delivery $25
| Brand | Rinnai |
| Power Source | Natural Gas, Propane |
| Capacity | 12 litres |
Rinnai Infinity B12 Gas Continuous Flow Hot Water Natural Gas 50°
Delivery $66.82
Rinnai Infinity B12
Delivery between 6–12 Nov $44
Rinnai Infinity B12 Instant Gas Hot Water System by Hilton Plumbing
Delivery between Tue – Thu $55
Rinnai Infinity B12 Instant Gas Hot Water System
Free delivery between Wed – Fri
Rinnai Infinity 12L Continuous Flow Hot Water Unit - 50 Degree - LPG
Free delivery
| Brand | Rinnai |
| Power Source | Natural Gas, Propane |
| Capacity | 12 litres |