How to Turn on a Water Heater

You may have wondered how to turn on a water heater. There are several options available to you, including a temperature setting, a pilot light, and a reset button. Each option has its own special benefits and drawbacks, and this article will tell you everything you need to know.

Reset button

When the reset button on a water heater fails to do the job, it can cause serious damage. This is because the thermostat on the heater is not working properly and is not accurately measuring the water temperature. If you find your water heater tripping, the problem could be something as simple as a loose wire, or as complicated as a failed heating element. To prevent this from happening to you, follow these tips for troubleshooting your hot water heater.

First, you should check the circuit breaker box. A bad breaker can tripped your water heater and may also lead to a trip on the reset button. It is a good idea to have an electrician repair the breaker.

In addition, you should look into replacing the metal panel that contains the reset button. The metal panel is usually screwed into the top of the water heater, and can be removed with a screwdriver.

You should also be aware of the water heater’s Temperature and Pressure Relief Valve, which is a safety device that will automatically shut off the tank if the water gets too hot. Not only is the valve a safety feature, but it can also save you from a messy explosion.

However, the best solution to the water heater’s tripped-up thermostat is to have a professional do the job for you. The technician can perform a series of inspections to make sure the thermostat is still in place. They can then proceed to replace the entire upper thermostat, which is a big deal for a household appliance.

Lastly, you should consider replacing your water heater’s reset button. While this seems like a silly thing to do, a stuck or faulty thermostat can be a major safety hazard.

Luckily, this is something that a plumber can handle. By restoring the functionality of your hot water heater, you can enjoy the benefits of a piping hot shower in winter. And you might be able to keep your hot water heater running even when the temperature drops.

Now that you have learned the facts about the water heater’s Reset button, you might have questions. Check out our Water Heater FAQ to learn more.

old water heater
Photo by Sies Kranen on Unsplash

Pilot light

There are several ways to turn on a water heater, and the correct way depends on the type of heater you own. If you are unsure, the best course of action is to call your gas company. They should be able to help you find out what the problem is and how to solve it.

One of the most common issues that water heaters have is the pilot light not working. This is often due to a dirty orifice, which can be easily fixed. In addition, a dirty thermocouple is a big no-no. A dirty thermocouple will stop gas from flowing and cause the pilot light to go out.

A thermocouple is a small copper wire that detects the flame in your gas heater. It then turns off the gas supply if the flame goes out. The thermocouple is held to the valve by three nuts.

An electronic spark button is usually used on newer style water tanks. These buttons are located on the control module, and they should click a few times before the pilot is lit.

A good rule of thumb is to hold down the control knob for at least a minute to be sure the light stays on. Leaving the valve on for too long can cause the tank to fill up with gas, causing an explosion. You can also try replacing the access panel if it is damaged.

Some water heaters are equipped with a standing pilot light, which is a small flame that burns continuously. When the thermocouple detects this, it will send a signal to the thermostat in the control module.

If you have a newer style water heater, you will most likely have a small panel at the bottom of the tank. This may or may not have an electronic ignition button. If you don’t have a panel to remove, you will need to use a wand lighter or match to get the pilot light going.

Another thing you need to do is clean the orifice in the pilot light. This can be done by using a cotton swab dampened with rubbing alcohol.


If you have an old thermocouple on your water heater, it might be time to replace it. This simple repair isn’t difficult, and can help you extend the life of your device. You can buy new ones at a hardware store for under $15.

First, you’ll need to shut off the gas supply to your water heater. Using a long utility lighter, light the pilot on the water heater.

If you have an electronic type, you’ll also need to reconnect the Piezo igniter. A multimeter will also be handy for testing the thermostat.

Once the pilot is on, turn off the gas supply to the water heater. Then, disconnect the wires from the valve. It’s a good idea to contact your local gas company, as they may need to be checked out.

Once the gas supply is off, you’ll need to remove the burner assembly manifold. Depending on your model, this can be done using a specific screwdriver. Or, you can simply pull the burner assembly manifold out of the burner combustion compartment.

Once you’ve removed the burner assembly manifold, you’ll need to clean out the combustion chamber and the joints of the burner. Burnt-on debris and dirt can affect the thermocouple’s ability to sense the pilot light.

If you’re unable to access the thermocouple’s position, you can try to bend it back. Be sure to use a firm pressure when removing the thermocouple.

If you’ve tried to clean out the burner port and joints and the thermocouple still hasn’t been removed, you might have a gas leak. It’s a good idea to run a water jet around these parts, as well as the joints on the tank base, to ensure no leaks exist.

person standing under the shower
Photo by Laura Marques on Unsplash

After you’ve cleaned out the burner port and the joints, you can then install the new thermocouple. Remember to position it so that it’s close to the blue flame.

Having a broken or dirty thermocouple can result in a malfunctioning pilot light, and it will not produce electric current. In addition to replacing your thermocouple, you can also clean out the pilot tube.

Temperature setting

Setting the temperature on a water heater is important for a number of reasons. First of all, it helps to prevent scalding, but it can also help you save money on your electricity bill. Second, it helps to keep bacteria out of your water. Bacteria that is thriving at low temperatures can be a health hazard. If you are unsure of what settings to set on your water heater, it’s best to consult a plumber.

The water temperature in your home is a delicate balance. It needs to be just right to provide you with clean, safe water without making you shiver. There are several factors to consider, including the type of plumbing system you have, the age of your home, and the size of your family.

Ideally, you’ll want to get your water heater set at 140 degrees Fahrenheit. This is the default setting for most water heaters. However, you should check the manufacturer’s recommendations for your model. You’ll see a temperature range listed in the user manual. In addition to the temperature, you’ll often find a pilot light and a temperature indicator.

Setting your water heater to an inappropriate temperature can be harmful to your skin and your health. For example, setting it too low can create a perfect environment for bacteria, which can cause Legionnaires’ disease.

However, setting it too high can lead to burns. You should try to limit the amount of hot water you use. Especially if you have young children. Also, people who are immunocompromised or have suppressed immune systems may be at a higher risk for bacteria.

Lastly, remember to check the thermostat periodically. Many people fail to do this. Your heating system can be damaged if left unattended for an extended period of time. To avoid this, you should turn it off and on regularly.

If you have a faulty thermostat, you may need to replace the control panel covers. Once your system is back up and running, you should test the temperature. Afterward, you should mark the appropriate setting on the thermostat with a permanent marker.