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Common Hot Water System Problems

Your water system is one of the most essential parts of your home, providing you with heat in the winter and hot baths and showers all year round. When it breaks down, it's a real problem, and knowing some of the tell-tale signs and how to fix them can be a lifesaver.

No Hot Water

If your hot water is not heating up, first check that the power is on. If it's off, turn it back on and wait a few minutes for the heater to reset itself. Then check that the hot water tap is turned on. If you have a gas hot water tank, make sure there's gas flowing into it (you can test this by lighting an electric lighter near the burner).

Not Enough Hot Water

If you're not getting enough hot water, the first thing to check is that your hot water is turned on. If it's off, there's a good chance you'll notice because you'll get cold water from your shower or sink taps.


The next thing to check is whether anyone else in your household is using any of the hot water at the same time as you. If they are, then this may be contributing to the problem.


Next, we need to look at whether or not your system is being used for heating and cooling purposes (which can affect how much hot water will be available). If it is being used for both heating and/or cooling purposes, then there may be times when less than optimal amounts of hot water are available for use in showers, baths and dishwashers etc.

Poor Temperature Control

This problem can be caused by a lack of sufficient pressure in the system and/or you may be using more hot water than normal, which means that the system has to work harder to supply it. If you notice this problem frequently, have your plumber check the pressure and flow rate at your property.

Leaking Water Tanks

Leaking hot water tanks can cause significant damage to your home. Regularly check the area around the tank for signs of excessive moisture and leakage, such as mould, mildew, and discolouration. If you spot a leak, use a dye tablet or leak detector to find its source. Fix any leaks immediately so they don't worsen over time, if you notice that your water bill is higher than usual after checking for leaks regularly with these methods, it's likely that there are undetected issues with your hot water system that need repair.


If your tank is more than 10 years old or has been damaged by freezing temperatures in wintertime (which can weaken pipes), it may be time to replace it, instead of attempting an expensive repair job on an old model whose parts might not be available anymore.

Dripping Hot Water Taps

Dripping hot water taps are a common problem with most hot water systems, and can be caused by a number of things. The first thing to check is whether the tap is leaking because it has been left on too long or if there is a faulty valve causing the drip. If the tap is dripping because it has been left on too long, you may need to replace your hot water system's timer or upgrade it so that it will turn off automatically when not in use. If the dripping occurs because there's something wrong with your valve, however, you'll need to replace your valve altogether.


If your hot water system is not working, it's important to contact a professional immediately. A plumber can diagnose the problem and fix it, saving you the time and expense of replacing your entire system. Call in the pros from Coffs Gas Company today.

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