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No Hot Water – Now what?

If you’ve ever had to deal with a faulty hot water system, you know exactly what trouble it can cause. Not only will you be forced to take cold showers, but hot water is also essential for many other parts of the household. Try doing the dishes or washing your clothes without access to hot water. Not a pleasant thought, so when you’re facing a problem with your hot water supply you want it sorted or get a system replacement, ASAP.

Let Us Help with All Your Hot Water System Installation & Replacement Needs

Offering our hot water system installations services across Melbourne to areas such as Rowville, Wantirna South, Glen Waverley, and beyond, we are ready to assist with all of your hot water needs.

To find out whether you need one of Prime Plumbing & Gasfitting expert plumbers to help get things back on track we compiled a short overview of the most common causes of not having hot water.

Common Causes of No Hot Water

No Supply of Gas

If you have a gas hot water system and no hot water to the house the first thing to do is check whether the gas supply to the house is turned on. On the pipe coming from the gas meter going into the home is what we call a gas meter valve (tap) located. It has a coloured handle, usually red, and should be in a vertical position.

When it is indeed in a vertical position and none of your appliances are working, no gas to the stove, no hot water, etc. the issue is with the gas supply and not the hot water unit. The best thing to do in a situation like this is to call your gas provider.

In the situation that your gas meter valve is on and it is only your hot water unit that is not working you might need the help of Prime Plumbing & Gasfitting.

Pilot Light is out

Another very common cause of a lack of hot water in the house is a pilot light that is out.

Most hot water systems have clear instructions on the unit as to how to turn the pilot light back on, but if you’re unsure how to do it, you can always give our friendly staff at Prime Plumbing and Gasfitting a call. When you’re relighting the pilot light you might have to light it a few times to force the air out. Once the light is burning consistently again your hot water should be up and running again in minutes.

Tank size

Depending on the type of system you have the size of the tank might not be sufficient for your household (anymore). Storage hot water systems have a limited supply of water. Running the dishwasher, the washing machine, and having a shower at the same time for example might not be possible with a storage hot water system. Upgrading from storage to an instant hot water system might be a good solution if your household constantly runs out of hot water.

Faulty thermostat

Having hot water intermittently can indicate an issue with the thermostat. Check if it is set correctly. If it is, but the water is either not hot enough or constantly hot and cold chances are the thermostat is broken. Luckily, replacing the thermostat is something the expert plumbers at Prime Plumbing and Gasfitting can easily assist you with.

Leaky tank

Another less common, cause of not having (enough) hot water is a leak in the hot water tank. Usually, this issue will present itself quite abruptly and is not something that can be fixed without the involvement of a professional plumber. To minimise the possible damage from a leaky tank you may want to check the tank for leaks regularly. A slight drop from the Temperature pressure relief (TPR) valve is normal, due to water expanding as it heats up. Rule of thumb, if you see water anywhere else but at the TPR, call Prime Plumbing & Gasfitting.

Enlist Melbourne’s Hot Water System Installation & Replacement Experts Today

If you need the assistance of our specialists don’t wait around any longer. Get in touch with Prime Plumbing & Gasfitting today for all your hot water system installation or replacement needs. From Glen Waverly, Rowville, and Wantirna South to across Melbourne, we are ready to assist you wherever you may be.


For all your Hot Water Installation & Replacement needs, contact Alister at Prime Plumbing & Gasfitting today!

0475 407 640


    Hot Water System Installation