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How Long Do Hot Water Systems Last

From showers to dishwashers to filling the laundry sink, hot water systems play an important role in our daily lives. We don’t realize how much we rely on hot water heaters until it’s too late. But they’re essential in more ways than one.

Whether you have a brand new hot water system or one that is getting on in years, the truth is that we could all keep ours running a little longer if we took better care of it. Here’s a look at how long they can live, how to make it last, and more!

Primary Factors That Affects Hot Water System Lifespan

Every hot water system has a lifespan, but how long it lasts is determined by the quality of the unit and how often it is maintained. There are five major factors that influence how long a hot water system will endure. These include the quality, material used, its type, usage, and water quality. We’ll go through each one in detail.


The quality of the parts used in your hot water system, as well as how it was manufactured, will have a significant impact on its lifespan. There are several levels of quality available, just as there are with every other commodity on the market. Higher-end versions of water heaters tend to feature bigger anode rods. These rods, on average, survive longer.


Pipes for a hot water delivery system must be corrosion-resistant and adequate for the water pressure, flow rate, and temperature of the water they will carry. Also, the material used to create the tank is critical since tank corrosion is the leading cause of hot water system failure. To distribute hot water to your home or business, hot water systems employ a variety of procedures and materials. The longevity of the system will be influenced by the differences in models and materials.


Tank-based hot water systems are likely to have a shorter lifespan since the stored water corrodes the tank over time. an instant hot water system, on the other hand, is likely to survive considerably longer since it uses a basic mechanism and does not store water over time. Tankless hot water systems can last up to twice as long as typical gas or electric storage heaters since they don’t have to deal with the stress of storing and heating water.


The longevity of a hot water system is highly dependent on how it is utilized. Large amounts of water increase the burden on the hot water system, and if it is regularly subjected to such stress, it may fail sooner rather than later.

Water Quality

If the water heater is used to heat hard water more frequently, its lifespan will certainly be cut in half. Minerals in hard water can cause limescale to form in your water heater, limiting its performance. Minerals may be removed by water softeners before they reach equipment like your hot water system.

How long does Hot Water Tank last?

Many individuals fear the breakdown of their hot water system. While they may be repaired, they will eventually need to be replaced. So, how long can you expect hot water tanks to last? How long do you think they’ll last?

Depending on the kind of system and the quality of the unit installed, hot water tanks last (on average) 10-15 years. with good care and maintenance, a continuous gas-powered hot water system may last up to 20 years, while an electric hot water system can last up to 12 years.

How to make Hot water System last longer?

The best way to extend the life of your hot water system is to do regular maintenance. Having a competent plumber examine the integrity and performance of your hot water system on a regular basis might greatly extend the life of your hot water system. A plumber will search for telltale signs of wear and tear throughout their inspections and will be able to determine whether any replacements or checks are required before a big problem emerges.

How to know if Hot Water Heater needs a Replacing?
Produces Low Hot Water Pressure 

It’s possible that the heating element has worn out if your water seems colder than usual and runs out faster. You may be able to repair the heating element, but if the problem persists, your unit may need to be replaced.

Noise Coming From the Tank

Many units can become progressively loud as they age and deteriorate. Small noise concerns may emerge as a result of the valve wearing out, but this might also indicate a far more serious problem.

Showing Signs of Wear and Tear

The evidence of wear and tear on these systems becomes increasingly visible as they become older. Rust can form around the exterior fittings over time. If you feel your hot water system is beginning to wear down or is exhibiting any of the indicators listed above, you should contact your plumber for advice. You can book a service from Dux Hot Water System right away!


Hot water systems may appear complex and mysterious, but they, like all other aspects of your home systems and equipment, will benefit significantly from regular maintenance. If you want to get the most out of your system, you’ll need to invest a little money each year on its upkeep.

Get in contact with Hot Water Systems Perth if you’re not sure if your hot water heater is working properly. Our knowledgeable specialists can assist you in locating the problem. It’s possible that one of your system’s components has failed and has to be replaced.

Whatever your problem is, no matter how big or urgent it is, whether it includes pipes, tanks, or anything else related to your hot water system issues, Dux Hot Water System has a solution for you!

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