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Dux 26ENG5N - User Manual

Dux 26ENG5N
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Owners Guide
Thank you for purchasing this Dux Gas Water Heater.
Before using, please:
Read this manual completely for operating instructions.
Confirm warranty and proof of purchase.
Keep this manual where it can be found whenever necessary.
Installation must conform with Plumbing Code of Australia (PCA) and local codes, or in the absence of local codes, AS/
NZS 5601, AS/NZS 3500.4, AS/NZS 3000 wiring regulations and all Local Building, Water and Gas fitting regulations.
Dux reserves the right to discontinue, or change at any time, the designs and/or specifications of its products
without notice.
* Note: This appliance requires a minimum flow rate to operate of 1.5-2.5 litres/min., water fixtures with a flow
rate of 7.5 litres/min. or higher are recommended.
For optimum performance we recommend installation of Dux optional temperature controllers.
(e.g. 26ENG5N)
Non Condensing Models
26ENG5N
26ENG5L
26ENG6N
26ENG6L
21ENB5N
21ENB5L
21ENB6N
21ENB6L
17ENB5N
17ENB5L
17ENB6N
17ENB6L
FOR CONTINUED SAFETY OF THIS APPLIANCE IT
MUST BE INSTALLED, OPERATED AND MAINTAINED
IN ACCORDANCE WITH THE MANUFACTURER’S
INSTRUCTIONS.
WARNING
FH9M001
Rev. 09/21 GISI093

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Questions and Answers

  • T
    timothyburnsAug 12, 2025
    Why is the water from my Dux 26ENG5N too hot?
    • J
      jonathanrobinsonAug 12, 2025
      If the water from your Dux Water Heater is too hot, make sure the gas and water supply valves are fully open. Check if the water temperature setting is appropriate. If the water supply temperature is high or only a small amount of hot water is demanded, the temperature might be higher than the setting on the remote controller.
  • H
    Heather WalkerAug 16, 2025
    How to fix fluctuations in hot water temperatures with my Dux 26ENG5N Water Heater?
    • J
      Jason MeyerAug 16, 2025
      To address fluctuations in hot water temperatures with your Dux Water Heater, set the water temperature between 48°C and 50°C to ensure a higher flow of hot water, meeting the minimum flow requirement of 2.5 L/min. Also, clean the inlet water filter to remove any debris.
  • J
    Jennifer LloydAug 19, 2025
    Why is the water from my Dux 26ENG5N Water Heater not hot enough?
    • S
      Stephen WalkerAug 20, 2025
      If the water from your Dux Water Heater is not hot enough, ensure that the gas and water supply valves are fully open. Also, verify that the water temperature setting is appropriate.
  • F
    fdoyleAug 23, 2025
    What to do if hot water is not available from my Dux 26ENG5N?
    • P
      patricia37Aug 25, 2025
      If hot water is not available when you open a fixture, check if the gas and water supply valves are fully open. Also, verify the water supply isn't cut off, the hot water fixture is sufficiently open, the gas isn't being cut off by the gas meter (check if other gas devices work), and (for LP systems) there's enough gas in the tank. Ensure the inlet water filter isn't clogged and that the operation button is turned on.
  • M
    Melissa DelacruzAug 28, 2025
    How to troubleshoot a Dux 26ENG5N that does not attempt to ignite?
    • A
      Alan WeberAug 28, 2025
      If your Dux Water Heater doesn't attempt to ignite, check for reversed plumbing or crossed pipes. Also, inspect the inlet water filter.
  • L
    Luke SparksAug 31, 2025
    What to do if my Dux Water Heater attempts to ignite but fails?
    • R
      Robert ParkerAug 31, 2025
      If your Dux Water Heater attempts to ignite but fails, reset the unit and try again. If the problem persists, have a professional check the gas supply pressure.
  • P
    perryheatherSep 3, 2025
    Why is the water cold from my Dux 26ENG5N Water Heater when only one fixture is open?
    • K
      Katherine BrownSep 3, 2025
      If the water is cold when only a single fixture is open with your Dux Water Heater, it's because the unit won't heat the water if the flow rate is less than 2.5 liters per minute. To resolve this, open the fixture more or open other fixtures to increase the flow through the unit, which should then start heating again.
  • V
    vfisherSep 7, 2025
    Why is no water available when I open a fixture connected to my Dux 26ENG5N?
    • N
      Norman ChapmanSep 7, 2025
      If no water is available when a fixture is opened, it might be because the water supply is cut off. Check if the heater is frozen.

Dux 26ENG5N Specifications

General IconGeneral
Capacity135 Liters
Energy SourceElectric
TypeStorage
Frequency50Hz
ThermostatAdjustable
CategoryWater Heater
Voltage240V
MaterialSteel
Power2000 W
Safety FeaturesThermal Cut-off, Pressure Relief Valve

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