Rinnai Builders B20

Versatile Hot Water Solutions for Medium-Sized Homes

Rinnai Builders B20 Gas Hot Water System

The Rinnai Builders B20 Gas Hot Water System is a high-performance, continuous flow water heater designed to meet the hot water demands of modern Australian households. This efficient and reliable system combines cutting-edge technology with Rinnai’s renowned quality to deliver an endless supply of hot water on demand.

Key Features

  • Continuous Flow Technology: Enjoy an uninterrupted supply of hot water whenever you need it. The B20 heats water as it flows through, eliminating the need for a storage tank and the risk of running out of hot water.
  • High Capacity: With a flow rate of 20 litres per minute, this system can easily handle multiple hot water outlets simultaneously, making it suitable for households with up to two bathrooms.
  • Energy Efficient: Boasting an impressive 6-star energy rating, the B20 helps reduce energy consumption and lower utility bills by only heating water when needed.
  • Compact Design: The sleek, space-saving design (531mm height x 351mm width x 195mm depth) allows for flexible external installation options, making it ideal for homes with limited space.
  • PuretempTM Technology: This innovative feature ensures temperature stability, providing consistent hot water delivery and eliminating fluctuations common in some continuous flow units.

Performance and Versatility

The Rinnai Builders B20 delivers powerful performance with a gas consumption rate of 156 Mj/h, ensuring quick and efficient heating. It’s available in both natural gas and LPG models, offering flexibility for different household setups. The system is also compatible with water-saving shower fixtures, making it an excellent choice for environmentally conscious homeowners.

Durability and Warranty

Built to withstand harsh Australian conditions, the B20 comes with Rinnai’s comprehensive warranty package. This includes a 10-year warranty on the heat exchanger and a 3-year warranty on parts and labour for domestic installations, reflecting Rinnai’s confidence in the product’s quality and longevity.

Installation and Maintenance

The Rinnai Builders B20 is designed for straightforward external installation. Its compact dimensions and light weight of 14 kg make it suitable for various outdoor spaces. The system features a status operation monitor that allows for easy performance tracking and quick resolution of potential issues.

Additional Features

  • Available in 50°C and 60°C temperature preset models for enhanced safety and versatility
  • Optional temperature controllers for precise temperature control in different areas of your home
  • Low NOx emissions for reduced environmental impact

The Rinnai Builders B20 Gas Hot Water System is an excellent choice for small to medium-sized households seeking a reliable, high-efficiency hot water solution. It offers the perfect blend of performance, energy efficiency, and durability, delivering consistent hot water comfort and convenience that modern families demand. Whether you’re replacing an old system or equipping a new property, the Rinnai Builders B20 provides the hot water reliability and energy savings you need.

Finance Options Available


We’re pleased to provide a convenient financing solution through the  Brighte Personal Loan, enabling you to pay in instalments for our hot water systems. This straightforward option allows you to make the essential home improvements you need while controlling your finances.

Have a question about Brighte Finance? Contact us for help.

Rinnai Builders B20 Product Specifications

Model #B20
System TypeGas Continuous Flow
Gas TypeNatural Gas
Gas Energy Rating (Stars)6
Number of Bathrooms1-2
Temperature Setting50 deg C
Hot Water Flow Rate @ 25 DegC Rise20 litres/min
Min. Operating Flow Rate1.5 litres/min
Weight (empty)14 kg
InstallationExternal


Size and Dimensions

Width351 mm
Height531 mm
Depth195 mm


Technical

Gas Consumption156 MJ/h
Gas Connection20 mm
Cold Water Connection20 mm
Hot Water Connection20 mm


Pressure

Minimum Water Pressure160 kPa
Maximum Water Pressure1000 kPa
Relief Valve Setting2060 kPa
Heat Exchanger Warranty15 Years*
Parts and Labour Warranty3 Years (5 Years if two or more Water Controllers are installed in domestic applications)

* Conditions apply.

Visit rinnai.com.au for more information.

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