Rinnai B20N50A 20L Natural Gas Instantaneous Hot Water System
The Rinnai B20 Continuous Flow Natural Gas Hot Water System is designed to deliver efficient, on-demand hot water for small to medium households. With a heating capacity of 20L per minute and a 6+ star energy rating, this system ensures a steady supply of hot water while minimizing energy consumption. Its sleek, compact design allows for easy external installation, making it a reliable and space-saving choice. The system is equipped with Puretemp temperature stability technology, maintaining a precise and stable water temperature, eliminating fluctuations and ensuring user comfort. Additionally, the low minimum operating flow rate of 1.5L per minute allows for effective operation even with low water pressure. For enhanced convenience, the Rinnai B20 supports up to four water controllers, allowing users to set and adjust water temperatures with ease throughout the home.
The Rinnai B20 Continuous Flow Natural Gas Hot Water System is designed to deliver efficient, on-demand hot water for small to medium households. With a heating capacity of 20L per minute and a 6+ star energy rating, this system ensures a steady supply of hot water while minimizing energy consumption. Its sleek, compact design allows for easy external installation, making it a reliable and space-saving choice. The system is equipped with Puretemp temperature stability technology, maintaining a precise and stable water temperature, eliminating fluctuations and ensuring user comfort. Additionally, the low minimum operating flow rate of 1.5L per minute allows for effective operation even with low water pressure. For enhanced convenience, the Rinnai B20 supports up to four water controllers, allowing users to set and adjust water temperatures with ease throughout the home.
The Rinnai B20 Continuous Flow Natural Gas Hot Water System is designed to deliver efficient, on-demand hot water for small to medium households. With a heating capacity of 20L per minute and a 6+ star energy rating, this system ensures a steady supply of hot water while minimizing energy consumption. Its sleek, compact design allows for easy external installation, making it a reliable and space-saving choice. The system is equipped with Puretemp temperature stability technology, maintaining a precise and stable water temperature, eliminating fluctuations and ensuring user comfort. Additionally, the low minimum operating flow rate of 1.5L per minute allows for effective operation even with low water pressure. For enhanced convenience, the Rinnai B20 supports up to four water controllers, allowing users to set and adjust water temperatures with ease throughout the home.
The Rinnai B20 Continuous Flow Natural Gas Hot Water System is designed to deliver efficient, on-demand hot water for small to medium households. With a heating capacity of 20L per minute and a 6+ star energy rating, this system ensures a steady supply of hot water while minimizing energy consumption. Its sleek, compact design allows for easy external installation, making it a reliable and space-saving choice. The system is equipped with Puretemp temperature stability technology, maintaining a precise and stable water temperature, eliminating fluctuations and ensuring user comfort. Additionally, the low minimum operating flow rate of 1.5L per minute allows for effective operation even with low water pressure. For enhanced convenience, the Rinnai B20 supports up to four water controllers, allowing users to set and adjust water temperatures with ease throughout the home.
in 8 offers
The lowest price for Rinnai B20N50A 20L Natural Gas Instantaneous Hot Water System right now is $1,119.00 at Hilton Plumbing, compared across 5 retailers.
The all-time low was $823.44 on 14 Jan 2025 — today's price is 36% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 2 Nov 2026.
Last updated at 02/11/2026 04:08:33
Rinnai B20 Instant Gas Hot Water System by Hilton Plumbing
Delivery between Tue – Thu $55
Rinnai Builders Gas Continuous Flow, 20L / Nat. Gas / 50 Deg. Preset
Delivery between Wed – Thu $150
Rinnai Infinity B20 LPG Gas HW Unit (50) | Rinnai
Free delivery
Rinnai Solar Cont Flow Booster S26 Litre External Nat Gas 70 deg
Delivery $22
Rinnai 20L Natural Gas Instantaneous Hot Water System B20N50A
14-day returns
| Fuel Type | Propane/LPG |
| Heat Pump? | No |
| Product Type | Hot Water System |
| System Type | Tankless Water Heater |
| Type Features | Instant heating |
Rinnai B20 Instant Gas Hot Water System by Hilton Plumbing
Delivery between Tue – Thu $55
Rinnai Builders Gas Continuous Flow, 20L / Nat. Gas / 50 Deg. Preset
Delivery between Wed – Thu $150
Rinnai Infinity B20 LPG Gas HW Unit (50) | Rinnai
Free delivery
Rinnai Solar Cont Flow Booster S26 Litre External Nat Gas 70 deg
Delivery $22
Rinnai 20L Natural Gas Instantaneous Hot Water System B20N50A
14-day returns
| Fuel Type | Propane/LPG |
| Heat Pump? | No |
| Product Type | Hot Water System |
| System Type | Tankless Water Heater |
| Type Features | Instant heating |
