Hot Water Tank Maintenance

29 Sep. 20

A Quick Guide to Hot Water Tank Maintenance – What to Know

Now that we are down to the last quarter of the year, the cold winter months are fast approaching. It’s that time of the year when all you want to do is stay safe and warm inside your home. As much as possible, you want to avoid having to deal with a malfunctioning hot water tank in the middle of winter.

It’s for this reason that hot water tank maintenance is essential. You must ensure that your unit is in the best condition to help you make it through the freezing temperatures.

However, it’s not enough for you to simply call your trusted technicians. When it comes to maintaining your hot water tanks, you must also be familiar with at least the basics.

To help you get started, here are some essential things you must know about heater maintenance.

Hot Water Tank Replacement

Replacing your unit is a big investment, so it helps to know when you should do it. Firstly, you must remember that this depends on the type of tank you have. Gas heaters usually last for around a decade.

Furthermore, you must also pay attention to your tank’s condition. Signs such as leaks and rusty water must be acted on immediately.

Common Issues with Hot Water Tanks

Here are some more issues and problems that you must pay immediate attention to.

1) Hot Water Tank That Doesn’t Stay Lit

If you are noticing this in your unit, the first thing that you have to check is your tank’s thermocouple. It’s a device that checks if your water heater’s pilot light is on. In some cases, it could be that the thermocouple is simply bent away or faulty.

If you see that it is bent away from the pilot light, bending it back towards the flame is the quick fix. On the other hand, if you see that you have a dirty pilot tube, let it cool first before you remove any blockage with a needle.

If none of these solutions works, you need to replace the thermocouple altogether.

2) Hot Water Tank Not Filling Up

If your hot water is running out very quickly, it could be due to a leak preventing the hot water from traveling up the pipe. In this case, your technician will be able to sort this out quickly.

However, if you are not seeing any signs of a leak, check the temperature-pressure release valve. The problem may be caused by a pressure lock. Hold open the valve and release the pressure to allow your tank to fill back up.

3) How Water Tank Leaking

Leaks can happen at the top and bottom of your tank.

For leaks at the bottom, inspect your drain valve or the opening used to drain your water tank for maintenance. If you see that the leak is coming from this part, it can be fixed easily by your technician. Leaks coming from pipe connections can be easily mended, too.

On the other hand, if you discover your hot water tank is leaking from the top, the first things to check are the pipes going in around it. The leak you are seeing may be caused by loose fittings due to the pressure inside the system.

As mentioned earlier, leaks can also be caused by the temperature-pressure valve. Too much pressure in the system may be causing the valve to open on its own to release some of the pressure. Take note that this can lead to an explosion and put everyone in harm’s way. If you feel that pressure is the problem, call a professional right away.


With the colder months of the year approaching, hot water tank maintenance is essential. Knowing at least the basics of taking care of your heating system will go a long way in ensuring that it works well throughout winter. Ultimately, it helps keep you and your loved ones warm and cozy inside your home.

If you are noticing even the smallest problem in your hot water tank, address them quickly by calling in professionals. At 24 Hour Plumbing & Heating, we’re available any time of the day for your water heater cleaning and other plumbing services. Book an appointment today!