Common problems with instant gas hot water systems

What is causing your gas hot water system problem?

Instant gas hot water systems whether fueled by LPG or natural gas and are a popular choice of hot water heating for many Australian households due to their efficiency, budget-friendly, and on-demand hot water supply. This popular hot water heater has a sensor that detects the water flow and ignites a burner which then heats the water as it passes through the heat exchange, they are also known as instantaneous, continuous, or continuous flow hot water. The fact that they only heat water when it's needed, makes them the perfect water heating option for residential or commercial properties. But what if the unexpected happens and you encounter a problem with your system? The first thing you can do as a homeowner is check the manufactures manual for troubleshooting tips, then if you are unable to identify the issue seek the help of a qualified technician.

Instant gas hot water system problems

It is highly recommended that regular maintenance of your hot water heater be carried out. With regular servicing and inspections, potential issues can be detected before they worsen, saving you from more significant problems that may be costly to fix. Should you encounter an issue the first step to take is to troubleshoot and you can easily find troubleshooting steps in the manufactures product manual. If all else fails seek professional assistance as licensed plumbers and gas technicians have the expertise and knowledge to diagnose and safely handle gas appliances and ensure their optimal performance.

You're now prepared to begin the initial troubleshooting process for your gas hot water system. We have compiled a list of the most frequently encountered issues and their potential causes, and based on what you find, you can then work on the appropriate action. 

• No Hot Water:

One of the most frustrating problems is when your instant gas hot water system fails to produce hot water. This issue can be caused by various factors such as a malfunctioning gas valve, a faulty ignition system, a blocked burner, or a gas supply issue. It is advisable to check the pilot light, and gas supply, and consult a professional plumber or gas technician to diagnose and fix the problem.

• Insufficient Hot Water:

If you're experiencing lukewarm water or a limited supply of hot water, there could be several reasons behind it. A possible cause is an undersized hot water system for your household's needs. It could also be due to a malfunctioning thermostat, a faulty burner, or a buildup of sediment and mineral deposits in the unit.

• Water Leaks:

Leaks can occur in different areas of the hot water system, such as pipes, valves, or the tank itself. A leaking hot water system not only wastes water but can also cause damage to surrounding structures. It is crucial to have leaks repaired promptly by a licensed plumber to prevent further complications and water wastage.

• Gas Smell:

If you detect the smell of gas around your hot water system, it is essential to address it immediately as it indicates a potential gas leak. Gas leaks are hazardous and require immediate attention from a licensed gas fitter. Do not attempt to fix the issue yourself and instead prioritize your safety by evacuating the area and contacting a professional.

• Pilot Light Issues:

The pilot light is responsible for igniting the gas burner in the hot water system. If the pilot light keeps going out or refuses to stay lit, it could be due to a faulty thermocouple, a blocked pilot assembly, or a gas supply issue.

• Noisy Operation:

Unusual noises, such as rumbling or banging sounds, coming from your hot water system can be an indication of sediment buildup in the tank. This sediment can cause the system to operate inefficiently and may lead to other problems if not addressed promptly. Flushing the tank or seeking professional servicing can help resolve this issue.

Should you have any questions or require a technician to repair your Instant gas hot water system, contact our team at Everyday Plumbing and Gas on 0406 400 200 or complete our quick online booking request form today. We service Sydney CBD, Sutherland Shire, and surrounding areas.