Having your water suddenly switch from hot to cold in a millisecond is just not annoying, it is enough to make you jump out of the shower. A malfunctioning water heater during winter is just the worst. Would you rather fix it yourself right now, at this moment without calling the plumber? Well, then you are reading the right post.

​Here is how you can do some DIY repairs on your water heater and feel that nice hot water again.

Prep Up

Before you turn into a handyman, you should switch off the power to the water heater, shut off the water supply, and turn off the gas valve. Plus, get your tools ready like a screwdriver and multimeter.

The Thermostat

Your thermostat is responsible for controlling the temperature. You are required to remove the water heater access panel, where you will find the thermostat. Use a multimeter to ensure that the wiring connecting the thermostat is working. If the multimeter gives you a zero reading, then the problem is the thermostat and you need to replace it.

Heating Element

You can access the heating element from the back of the water heater. Unscrew and remove the access panel that you find behind. Detach one of the wires from the heating element and use the multimeter to test it. If the reading is zero, the heating element requires replacement.

Drain the entire water tank, unscrew the bolts that hold the heating element in position and pull it out. Put in the new heating element, bolt it tightly and attach the wires.

Repair the Valves

Check the relief and drain valves for any sign of damage. Usually the relief valve has a spring lever, lift the lever and observe the flow of water. If only a few drops of water comes out, or no drips at all, then the relief valve clearly needs to be replaced.

Also ensure that the drain valve does not have any leaks or damage. To repair a leak, use a wrench to remove the valve, remove the old pipe tape and wrap a new tape around the pipe at least four times. Now, reinstall the valve.

If you find that does not solve the problem, you need to replace the valve with a new one. For that, drain the entire water tank, then remove the valve and replace it with a new one.

A water heater is certainly not an immortal device. At some point, the metal will corrode and will become prone to expansions and contractions, causing noises. Sediments and minerals will collect in the water heater, making it difficult for the device to heat water. The heater may give out discolored water, which is a sign of internal rusting.

At these points, it is best you have a professional take a look at your water heater. A professional plumber, provided by Pro Plumbing, will assess the problem of your water heater and repair it. However, if your water heater has reached the end of its life, we will not only recommend you replace it, but we also will be with you every step of the way.


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