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Can Hot Water Heaters Explode?

Posted on: April 14, 2023

A hot water heater has the potential to be dangerous if it is not maintained properly. Although rare, it is possible for a hot water heater to explode, sending hot water and steam throughout the home. Homeowners should be aware of the risks associated with a malfunctioning heater and take steps to ensure their safety. By familiarizing themselves with the potential causes of an exploding hot water heater, homeowners can better protect themselves and their property.

In this guide, you can learn can hot water heaters explode and what safety measures to take if it happens.

Signs That Your Hot Water Heater May Be At Risk Of Exploding

A hot water heater explosion can occur if the pressure in the tank becomes too great. This is usually caused by a build-up of sediment or rust inside the tank. If too much pressure builds up in the tank, it can cause a rupture and an explosion. Here are the sigs that your hot water heater may be at risk of exploding:

Strange Noises

If you hear strange noises coming from your hot water heater, it could be due to a build-up of sediment or rust inside the tank. This can cause the inner walls of the tank to corrode and eventually lead to an explosion.

Leaking Water:

If you notice leaking water around your hot water heater, this could be a sign that the tank is corroding and at risk of exploding. Leaking water can also be a sign of a faulty pressure valve, which can lead to an explosion if not replaced in a timely manner.

High Pressure:

If the pressure in your hot water heater is too high, this could be an indication that the tank may be at risk of exploding. High pressure can occur due to a build-up of sediment or rust, or due to a faulty pressure valve.

Rust Or Corrosion:

If you notice rust or corrosion on the outer surface of your water heater, this is an indication that something is wrong inside the tank and it may be at risk of exploding.

Faulty Temperature And Pressure Relief Valve

If the temperature and pressure relief valve is not functioning properly, it can lead to a build-up of pressure inside the tank, which can result in an explosion. It’s important to check the pressure valve regularly to make sure it is functioning properly.

What Happens When A Water Heater Explodes

When a hot water heater explodes, it releases hot steam and water throughout the home. This can cause significant damage to property, as well as serious bodily injury. The steam and water can reach temperatures of up to 212 degrees Fahrenheit, which can cause severe burns if it comes into contact with the skin. Here are some of the potential effects that can occur when a water heater explodes:

Structural Damage

The steam and water released by an exploding hot water heater can cause significant damage to the structure of a home. This includes walls, floors, ceilings, and furniture.

Electrical Damage

The steam and water released by an exploding hot water heater can also cause electrical damage to nearby appliances and wiring.

Flying Debris

The force of an exploding hot water heater can cause nearby objects to become airborne. This includes furniture and other items that can be a hazard if they come into contact with people.

Scalding Hot Water

The steam and water released by a hot water heater explosion can cause severe scalding. This is especially dangerous for children, elderly people, and people with compromised immune systems.

Fire

In some cases, the force of an exploding hot water heater can ignite combustible materials in the home. This includes carpets, curtains, and furniture, which can cause a fire to spread quickly throughout the home.

Gas Leaks

When a hot water heater explodes, it can release flammable gases such as natural gas or propane. If these gases accumulate in an enclosed space, they can cause a fire or explosion.

Steps You Can Take To Prevent A Hot Water Heater Explosion

There are several steps you can take to prevent a hot water heater from exploding. Here are some tips:

Regular Maintenance

Make sure to have your hot water heater inspected regularly by a licensed plumber. This will help to ensure that the pressure valve and other components are functioning properly and not at risk of exploding.

Check For Leaks

Check for any signs of leaking water around your hot water heater. If you notice leaking water, contact a plumber immediately as this could be a sign that the tank is corroding and at risk of exploding.

Flush The Tank

Regularly flushing your hot water heater will help to remove sediment and rust build-up which can lead to an explosion. Flush the tank at least once a year.

Check The Pressure Valve

Make sure to check the pressure valve regularly to ensure it is functioning properly. If the pressure valve is not working correctly, it can lead to a build-up of pressure which can cause an explosion.

Replace An Old Water Heater

If your hot water heater is more than 10 years old, it should be replaced with a newer model. Older water heaters are at a higher risk of exploding due to corrosion and other factors.

Test The Temperature And Pressure Relief Valve

If your hot water heater has a temperature and pressure relief valve, it should be tested regularly to ensure that it is functioning properly. If the valve is not working correctly, it can lead to an explosion.

Following these tips can help to prevent a hot water heater explosion and keep your home safe from harm. However, if you do experience an explosion, make sure to contact a plumber right away. They will be able to assess the damage!

Conclusion:

In this article, we discussed the potential effects of a hot water heater explosion, as well as some tips that you can take to prevent one. Always remember to have your hot water heater inspected regularly by a licensed plumber, check for signs of leaking water, flush the tank yearly, and replace an old water heater with a newer model. By following these tips, you can help to prevent a hot water heater explosion and keep your home safe. If you do experience an explosion, make sure to contact a plumber right away. They will be able to assess the damage and help you get your hot water heater back to working order.

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