The Rinnai B20 Continuous Flow Hot Water System is engineered to deliver reliable, energy-efficient hot water on demand, perfect for Australian homes. With a 6-star energy rating, this LPG system heats water only when needed, reducing running costs and greenhouse emissions. Designed for external installation, it features Puretemp technology for stable water temperature, ensuring comfort and safety. The compact, high-quality Japanese design saves space while providing a heating capacity of 20L per minute, suitable for one to two bathrooms. Enjoy precise temperature control, enhanced safety monitoring, and compatibility with low flow shower fixtures. Dimensions: Height 531mm, Width 351mm, Depth 195mm.
The Rinnai B20 Continuous Flow Hot Water System is engineered to deliver reliable, energy-efficient hot water on demand, perfect for Australian homes. With a 6-star energy rating, this LPG system heats water only when needed, reducing running costs and greenhouse emissions. Designed for external installation, it features Puretemp technology for stable water temperature, ensuring comfort and safety. The compact, high-quality Japanese design saves space while providing a heating capacity of 20L per minute, suitable for one to two bathrooms. Enjoy precise temperature control, enhanced safety monitoring, and compatibility with low flow shower fixtures. Dimensions: Height 531mm, Width 351mm, Depth 195mm.
Rinnai B20L50A 20L LPG Instantaneous Hot Water System
The Rinnai B20 Continuous Flow Hot Water System is engineered to deliver reliable, energy-efficient hot water on demand, perfect for Australian homes. With a 6-star energy rating, this LPG system heats water only when needed, reducing running costs and greenhouse emissions. Designed for external installation, it features Puretemp technology for stable water temperature, ensuring comfort and safety. The compact, high-quality Japanese design saves space while providing a heating capacity of 20L per minute, suitable for one to two bathrooms. Enjoy precise temperature control, enhanced safety monitoring, and compatibility with low flow shower fixtures. Dimensions: Height 531mm, Width 351mm, Depth 195mm.
The Rinnai B20 Continuous Flow Hot Water System is engineered to deliver reliable, energy-efficient hot water on demand, perfect for Australian homes. With a 6-star energy rating, this LPG system heats water only when needed, reducing running costs and greenhouse emissions. Designed for external installation, it features Puretemp technology for stable water temperature, ensuring comfort and safety. The compact, high-quality Japanese design saves space while providing a heating capacity of 20L per minute, suitable for one to two bathrooms. Enjoy precise temperature control, enhanced safety monitoring, and compatibility with low flow shower fixtures. Dimensions: Height 531mm, Width 351mm, Depth 195mm.
in 7 offers
The lowest price for Rinnai B20L50A 20L LPG Instantaneous Hot Water System right now is $945.00 at 1st Choice Hot Water, compared across 4 retailers.
The all-time low was $868.00 on 14 Jan 2025 — today's price is 9% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 15 May 2026.
Last updated at 15/05/2026 18:16:33
Rinnai B20L50 20 Litre 50 Degree Propane Gas - Brisbane/Gold Coast
Free delivery between 19–25 May
Rinnai B20N50 20 Litre 50 Degree Natural Gas - Other Location
Free delivery between 19–25 May
Rinnai B20L50 20 Litre 50 Degree Propane Gas - Other Location
Free delivery between 19–25 May
Rinnai B20 External 50 Deg Lpg 20 L/pm - B20L50A
Free delivery between Tue – Thu
Rinnai B20 LPG Gas Hot Water System only $999 National - Customer arranging own transport - System delivered to your carrier of choice in Brisbane /
Delivery $25
Rinnai B20 LPG Gas Hot Water System only $999 National - Customer arranging own transport - System delivered to your carrier of choice in Brisbane /
Delivery $25
Rinnai B20 Builders Series Continuous Flow Hot Water 50°C LPG
Delivery $29.95
| Capacity | 20 - 24 L |
| Fuel Type | LPG |
| Tank Diameter | 350 mm |
| Tank Height | 530 mm |
| Tank Depth | 194 mm |
Rinnai B20L50 20 Litre 50 Degree Propane Gas - Brisbane/Gold Coast
Free delivery between 19–25 May
Rinnai B20N50 20 Litre 50 Degree Natural Gas - Other Location
Free delivery between 19–25 May
Rinnai B20L50 20 Litre 50 Degree Propane Gas - Other Location
Free delivery between 19–25 May
Rinnai B20 External 50 Deg Lpg 20 L/pm - B20L50A
Free delivery between Tue – Thu
Rinnai B20 LPG Gas Hot Water System only $999 National - Customer arranging own transport - System delivered to your carrier of choice in Brisbane /
Delivery $25
| Capacity | 20 - 24 L |
| Fuel Type | LPG |
| Tank Diameter | 350 mm |
| Tank Height | 530 mm |
| Tank Depth | 194 mm |
