Thermann R Series LPG Continuous Flow Hot Water Unit 60deg 21L

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Thermann R Series LPG Continuous Flow Hot Water Unit 60deg 21L


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Thermann R Series LPG Continuous Flow Hot Water Unit (60 Degree, 21L)

The Thermann R Series LPG Continuous Flow Hot Water Unit in the 60-degree, 21-liter model is part of the R-Series range, which offers a variety of sizing options to accommodate different applications. This specific model is designed for efficient hot water heating and is available in LPG (Liquified Petroleum Gas).

Key Features:

  • The R-Series range includes various models like the 17R, 21R, and 26R, with options for both 50°C and 60°C.
  • The 26R model is highly efficient, boasting an energy efficiency rating of 6.1 Stars.
  • Suitable for use with water-efficient 6-star tapware.
  • Available in both LPG and Natural Gas versions to suit different gas types.
  • Backed by a 12-year warranty on the heat exchanger and a 3-year warranty on parts and labor.

How It Works:

  • When a hot water tap is turned on, the system is activated.
  • Water enters the heater.
  • A water flow sensor detects the water flow.
  • The computer automatically ignites the burner.
  • Water circulates through the heat exchanger.
  • The heat exchanger heats the water to the designated temperature.
  • When the tap is turned off, the unit shuts down to conserve energy.


  • Gas Type: LPG (Liquified Petroleum Gas).
  • Requires external installation.
  • Part Number: TH21ENB5L.
  • Offers a delivery capacity of 21 liters per minute with a 25°C temperature rise.
  • Gas connection size: 20 mm.
  • Gas consumption: 159 MJ/h.
  • Energy Star Rating: 6.1 Stars.
  • Suitable for cold water connections of 20 mm and hot water connections of 20 mm.
  • Maximum water pressure: 1000 kPa.
  • Minimum gas pressure: 2.75 kPa.
  • Temperature setting: 55°C.

The Thermann R Series LPG Continuous Flow Hot Water Unit is designed to provide efficient and reliable hot water heating with a focus on energy efficiency. It is backed by a substantial warranty, offering peace of mind for your hot water needs.

Warranty Information

Heat Exchanger Warranty: 12 Years 

Parts and Labour - Domestic Use: 12 Months 

**Warranty Conditions apply

‍Delivery Information

All Hot Water Systems have Nationwide delivery and in the majority of cases shipping is free!

Please note that all sales need to be within a 50km radius of a town with a population over 30,000. If you are not within this area please phone for availability.

Special Note

Prices listed next to each heater* are for supply and install in the Brisbane, gold coast and Ipswich areas only. Supply & Install prices are for like for like installations. Tempering valve if required is an additional $185.00
Phone us now on 07 3733 3622 to get your new Rheem hot water system.

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