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Price comparison

Price data powered by pricesAPI.io

Last updated at 15/05/2026 18:16:33

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
1st Choice Hot Water

$945.00

Rinnai B20L50 20 Litre 50 Degree Propane Gas - Brisbane/Gold Coast

Free delivery between 19–25 May

1st Choice Hot Water

$1,095.00

Rinnai B20N50 20 Litre 50 Degree Natural Gas - Other Location

Free delivery between 19–25 May

1st Choice Hot Water

$1,095.00

Rinnai B20L50 20 Litre 50 Degree Propane Gas - Other Location

Free delivery between 19–25 May

Direct Wholesale

$1,042.11

Rinnai B20 External 50 Deg Lpg 20 L/pm - B20L50A

Free delivery between Tue – Thu

Installed Today

$1,049.00

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

Installed Today

$1,049.00

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

G Store

$1,250.00

Rinnai B20 Builders Series Continuous Flow Hot Water 50°C LPG

Delivery $29.95

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

Capacity20 - 24 L
Fuel TypeLPG
Tank Diameter350 mm
Tank Height530 mm
Tank Depth194 mm

Price comparison

Updated 25 days ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
1st Choice Hot Water

$945.00

Rinnai B20L50 20 Litre 50 Degree Propane Gas - Brisbane/Gold Coast

Free delivery between 19–25 May

1st Choice Hot Water

$1,095.00

Rinnai B20N50 20 Litre 50 Degree Natural Gas - Other Location

Free delivery between 19–25 May

1st Choice Hot Water

$1,095.00

Rinnai B20L50 20 Litre 50 Degree Propane Gas - Other Location

Free delivery between 19–25 May

Direct Wholesale

$1,042.11

Rinnai B20 External 50 Deg Lpg 20 L/pm - B20L50A

Free delivery between Tue – Thu

Installed Today

$1,049.00

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

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

Capacity20 - 24 L
Fuel TypeLPG
Tank Diameter350 mm
Tank Height530 mm
Tank Depth194 mm

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- 9%
Rinnai B20L50A 20L LPG Instantaneous Hot Water System
Rinnai B20L50A 20L LPG Instantaneous Hot Water System
Rinnai B20L50A 20L LPG Instantaneous Hot Water System
Rinnai B20L50A 20L LPG Instantaneous Hot Water System

Rinnai B20L50A 20L LPG Instantaneous Hot Water System

(2 reviews)

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

$945.00

(2 reviews)

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.

$945.00 - $1,250.00

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 $909.00 on 31 Aug 2025 — today's price is 4% above the lowest ever. This is at or near its all-time low — a good time to buy.

Prices last updated 15 May 2026.

Capacity:

16L
26L