Dux Hot Water Systems Troubleshooting

Dux hot water system troubleshooting
Manufactured in Australia since 1915, Dux hot water systems have long been known for their high quality and energy efficiency. With a variety of electric hot water and gas hot water systems to choose from, it’s likely you have one installed, so it’s important to know how to troubleshoot any issues that may arise. We’ve previously reviewed the Dux hot water range. In this guide, we will explore common issues with Dux hot water systems and how to resolve them, focusing on top electric and gas hot water systems from Dux.

Dux Proflo hot water system troubleshooting (Electric storage tank)

The Dux Proflo Electric Storage Tank is a popular hot water system for its reliability and performance. However, like any hot water system, it may occasionally experience issues. Below is our detailed troubleshooting process specifically for the Dux Proflo hot water system range.

Dux Proflo: Common Dux electric hot water problems and solutions

Problem 1. No Hot Water Possible causes:

  • Discharge from the Pressure & Temperature Relief (PTR) Valve
  • Incorrect water heater size
  • High hot water usage
  • Nighttime heating
  • Leaking hot water pipe or dripping hot water tap
  • Proflo tank leaking

Solutions:

  • Check the PTR Valve for excessive water discharge and replace if necessary
  • Ensure the water heater is correctly sized for your requirements
  • Adjust water usage patterns or install a flow control valve on the shower outlet
  • Account for longer heating times during nighttime hours
  • Inspect and fix any leaking pipes or replace faulty tap washers
  • A hot water tank leaking from the top could need a hot water anode replacement

Problem 2. Water Discharge from the PTR Valve Possible causes:

  • Normal heating cycle discharge
  • Build-up of foreign matter
  • Steady flow of more than 20L per day

Solutions:

  • Recognise that a small amount of discharge is normal during the heating cycle
  • Gently raise and release the easing lever on the PTR Valve to dislodge foreign matter
  • For steady flow issues, contact Dux Hot Water to check for excessive water supply pressure, a faulty PTR Valve, or a faulty thermostat

Problem 4. High Electricity Bills Possible causes:

  • Discharge from the PTR Valve
  • High hot water usage at one outlet (e.g., shower)
  • Leaking hot water pipe or dripping hot water tap

Solutions:

  • Check the PTR Valve for excessive water discharge and replace if necessary
  • Review hot water usage and consider installing a flow control valve on the shower outlet
  • Inspect and fix any leaking pipes or replace faulty tap washers

By following this troubleshooting guide, you can address common issues that may arise with your Dux Proflo Electric Storage Tank. Regular maintenance, including checking for leaks and inspecting the PTR Valve, can help prevent problems and prolong the lifespan of your system. For more complex issues or those beyond your expertise, contact a professional plumber for hot water system repairs near you.

Dux Always Hot continuous flow hot water troubleshooting

The Dux Always Hot Continuous Flow hot water system range is known for its efficiency and instant supply of hot water. However, like any hot water system, it may occasionally experience issues. Below, we provide a detailed troubleshooting process specifically for this Dux gas hot water system range.

Always Hot: Common Dux gas hot water problems and solutions

Problem 1. No hot water or inadequate hot water supply possible causes:

  • Gas supply issues
  • Water supply issues
  • Insufficient water flow rate
  • High hot water usage

Solutions:

  • Check if the low hot water pressure is from just one outlet or all.
  • Ensure the gas supply valve is open and there is sufficient gas pressure
  • Check the water supply and make sure it’s connected and functioning properly
  • Ensure the water flow rate meets the minimum requirement for the system to activate
  • Review hot water usage patterns and consider installing a flow control valve on the shower outlet or other high-usage outlets

Problem 2. Fluctuating water temperature possible causes:

  • Malfunctioning mixing valve
  • Inconsistent water flow rate
  • Blocked inlet screen

Solutions:

  • Inspect the mixing valve for any damage or malfunctions and replace it if necessary
  • Check if the water flow rate is consistent and address any issues causing fluctuations
  • Inspect the inlet screen for any blockages and clean it if necessary

Problem 3. Ignition failure possible causes:

  • Faulty igniter or damaged electrode
  • Gas supply issues
  • Inadequate air supply

Solutions:

  • Try to relight the pilot light if it’s extinguished
  • Inspect the ignition system for any issues, such as a faulty igniter or damaged electrode, and resolve them accordingly
  • Ensure the gas supply valve is open and there is sufficient gas pressure
  • Make sure there is proper ventilation around the Dux gas hot water unit for the combustion process

Problem 4. System shuts down during operation possible causes:

  • Blocked or damaged exhaust venting
  • Overheating

Solutions:

  • Inspect the exhaust venting for any blockages or damage and resolve any issues found
  • Ensure the system is not overheating due to restricted air supply or a faulty component, and address any issues causing overheating

By following this troubleshooting guide, you can address common issues that may arise with your Dux Always Hot Continuous Flow gas hot water system. Regular maintenance, including checking the water flow rate, gas supply, and ventilation, can help prevent problems and prolong the lifespan of your system. For more complex issues or those beyond your expertise, again book a local plumber in your neighbourhood for speedy assistance troubleshooting and repairing Dux hot water systems or any other hot water brand.