Thermann 21R Continuous Flow 50C Natural Gas (Copy)

Thermann 26R Continuous Flow 50C Natural Gas

The Thermann 26R Continuous Flow 50°C Natural Gas hot water system offers efficient, high-capacity performance with a 6.4-star energy rating, making it one of the most energy-efficient non-condensing systems in Australia. Designed for large households, this system delivers up to 26 litres per minute of hot water and is compatible with water-saving tapware thanks to its low minimum ignition flow rate. It is factory pre-set to safely deliver water at 50°C and features Japanese-manufactured internals for reliable operation under Australian conditions.

 

FEATURES:

Heating Method:
Gas burner with electronic ignition

Hot Water Supply:
Continuous flow, instantaneous hot water

Recovery Time:
Instantaneous – heats water on demand

Installation Location:
Outdoor, wall-mounted

Water Pressure:

  • Minimum: 200 kPa
  • Maximum: 1000 kPa

Energy Efficiency:
6.4 Star energy rating

Operating Costs:
Lower gas use due to high efficiency and pre-set 50°C temperature limit; great for families seeking energy and cost savings

Best for:

  • Large households
  • Homes with 2–3 bathrooms
  • Environmentally conscious users requiring high output and efficiency

Number of Bathrooms and People (Capacity):

  • Outlets: 2–3 outlets
  • Flow Rate: 26 L/min @ 25°C rise
  • Ideal Household Size: 3–6 people

Additional features:

  • Factory pre-set to 50°C for safety compliance (AS 3498)
  • Advanced Japanese-manufactured internals
  • Built-in inlet water filter
  • Optional remote temperature controllers available
  • Compatible with water-efficient tapware and appliances
  • Frost protection built-in (power must remain on)

Specifications

Hot Water Delivery: 26L/min @ 25°C rise
Gas Consumption: 195 MJ/h (Natural Gas)
Weight (Empty) 16 kg
Height 520 mm
Width 350 mm
Depth 170 mm

Warranties

Manufacturers Tank Warranty (Domestic) 12 years on the heat exchanger
Manufacturers Parts & Labour Warranty (Domestic) 3 Years

Technical Specifications

Powerpoint Required: Yes – 230–240V AC, 50Hz
Gas Connection: R3/4" (20mm)
Hot Water Connection: R3/4" (20mm)
Relief Valve Pressure: 1620 kPa
Minimum Flow Rate for Ignition: 1.5 L/min
Water Holding Capacity 0.7 L
Freeze Prevention Heater Power: : 106W
Burner Injector Size (NG): 1.45 mm / 2.1 mm