This ground breaking technology is the first of its kind to be used in water heating in Australia. The unique design incorporates two innovative Stainless Steel heat exchangers to achieve the maximum heating output from every mega joule of gas, resulting in an outstanding thermal efficiency of 97%. In addition it employs revolutionary surface burner technology – An Australian first!

This unit is a room sealed appliance using a co-axial flue design with an impressive maximum flue run of up to 42 metres. Offering class leading installation flexibility.

For internal applications only.

  • Category
    Gas Water Heaters
  • Brand
  • Installation
    Professional installation required
  • Caravan Parks
  • Butchers
  • Laundromats with domestic style top loader machines
  • Childcare centres
  • Small amenity blocks
  • Factories
  • High temperature washdown
    The product information on this website (comprising product brochures, warranty information, installation manuals, diagrams, specifications and representations) relates to current products. This information may be different for superseded products. For superseded products please contact Rinnai to confirm product information

Continuous innovation.
Our commercial water heating systems are built around our heavy duty range of continuous flow gas heaters. Our commercial hot water systems are widely used throughout Schools, government buildings, apartments, offices and sports facilities, as well as hotels and commercial kitchens.

Heavy Duty Continuous Flow

The Rinnai HD series is a heavy duty commercial grade continuous flow water heater built to last. A high efficiency unit that can be used on its own for low hot water demands, or coupled together to suit almost any commercial application.

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About the

For over 50 years, Rinnai has provided Australians with the comfort, convenience and reliability of our appliances. Our innovative products are designed with the environment in mind, with low-emission technology and high efficiencies, as well as a host of other great features.

At ArchiPro we recognise and acknowledge the existing, original and ancient connection Aboriginal and Torres Strait Islander peoples have to the lands and waterways across the Australian continent. We pay our respects to the elders past and present. We commit to working together to build a prosperous and inclusive Australia.