Water Heater Leaking? Here’s What to Do Next

December 4, 2024

There’s nothing like waking up to a puddle of water around your water heater. A leaking water heater can create a big problem. It can cause a lot of water damage and leave you without hot water.


Whether the water heater leaks is a sign of a bigger issue, you need to fix it quickly to avoid other problems. Let’s look at why this happens, what you can do right away, and when you should call in the experts.

Key Takeaways

  • A leaking water heater can cause significant damage and should be addressed immediately to prevent further issues.
  • Common causes of leaks include aging tanks, sediment build-up, loose valves, and pressure relief valve problems.
  • Immediate steps include turning off the power and water supply, and draining the tank to minimize damage.
  • Regular maintenance, such as flushing the tank and inspecting parts, can help prevent future leaks.
  • If repairs are costly or the water heater is over 10 years old, replacing the unit may be the best option.

Understanding Why Your Water Heater Might Be Leaking

Common Causes of Water Heater Leaks

Water heater leaks can happen for many reasons. These reasons can be due to normal wear and tear or wrong installation. A few of the main causes are:


  • Aging Tank: As time goes on, the tank can weaken, leading to small cracks or leaks. These may start off small but can grow worse if not fixed.
  • Sediment Build-Up: Minerals from hard water can collect at the bottom of the tank, making things weak inside. If not cleared out, this build-up can cause the tank to overheat and lead to cracks.
  • Loose Drain Valve: Often, a simple fix can stop small leaks from this valve. Drain valves may become loose because of changes in pressure inside the tank.
  • Pressure Relief Valve Issues: If the pressure in your tank gets too high, this valve may leak to stop problems. If it leaks a lot, it might mean there is a bigger issue with the valve or the tank’s pressure.


Signs You Need to Check Your Water Heater

There are a few early signs that your water heater might be leaking. You should pay attention to strange noises, rusty water, or a quick drop in water temperature. This might mean there's a problem with your heater. Also, if you see any damp spots or puddles of water near the tank, check it closely. This can help stop leaks or failures before they happen.

Immediate Steps to Take if Your Water Heater Is Leaking

If your water heater starts leaking, it’s important to act fast. Taking quick steps can help reduce water damage and keep everyone safe.


Turn Off the Power Supply

If you have an electric water heater, turning off the power is the first safety step. Flip the circuit breaker to stop the risk of shock while you check for the leak. For gas heaters, turn the gas valve to "off." This will help prevent electrical or gas problems while you fix the leak and look at the water heater.



Shut Off the Water Supply

After you turn off the power, find the cold water valve on your water heater. It is usually on the pipe going into the tank. Turn it off to stop more water from getting into the tank. This can help with the leak. Stopping the water will make it easier to check and handle the problem without adding more water to the tank.


Drain the Tank to Prevent Further Damage

To reduce water damage, you can partially drain the tank. Connect a garden hose to the drain valve at the bottom of the tank. Place the other end of the hose in a safe area for drainage. Draining the tank will lower the water level and lessen the risk of more damage until a professional can check the unit.

Diagnosing the Leak Source

Finding the exact spot of the leak can help you decide if a simple repair will work or if you need a full replacement. A careful check of each part of your water heater can show where the leak is from and help you plan your next steps.


Checking the Top of the Water Heater

Leaks at the top of your water heater usually show there is an issue with the inlet or outlet pipes. Look at these connections carefully. You might stop the leak by tightening them. Sometimes, fittings can loosen over time. This happens often if the water pressure changes or if parts of the heater wear down.


Examining the Bottom of the Tank

A leak at the bottom of the tank usually means there is rust inside or a build-up of material. This can weaken the tank. When this happens, getting a new tank is often the best choice. Fixing the leak might only work for a short time.



Inspecting the Pressure Relief Valve

The pressure relief valve is on the side of the tank. It releases water when pressure gets too high. If it is leaking, the valve might be broken, or the pressure inside the tank could be too much. You should check this valve to see if the leak is just about the pressure. It could also show if there is a bigger problem that needs a professional to look at it.


Looking for Leaks Around the Drain Valve

Sometimes, the drain valve might feel a bit loose. This can let water leak out. Gently tightening it can help for a short time until a professional looks at it. If the leak keeps happening, you might need to replace the valve. A broken valve can cause more problems later.

Temporary Fixes for a Leaking Water Heater

While you wait for help from a pro, there are a few quick fixes that can help stop a small leak.


Tightening Loose Connections

A wrench and some tightening can often fix small leaks around loose parts. But, be careful not to tighten too much. This can crack or hurt the pipe or valve.


Applying Temporary Sealants

Hardware stores sell epoxy or short-term sealants that can stop small leaks for a little while. These are not lasting fixes, but they can stop a leak until you get professional help. Be sure to read the instructions well when using sealants. This will help you avoid any problems.

When to Replace Your Water Heater

A new water heater costs a lot, but it can be the best choice. It helps stop ongoing issues and keeps things running well.


Age of the Water Heater

Most water heaters last about 8 to 12 years. If yours is getting close to this age or older and starts leaking, it might be a good idea to replace it. Newer models usually save energy, which can lower your bills and improve how well it works.


Extent of Damage and Repair Costs

If the repair cost is close to or more than half the price of a new unit, getting a new one might be smarter. A lot of rust, damage, or several leaks often means it's better to buy a new appliance instead of fixing an old one.

Tips for Preventing Future Water Heater Leaks

Regular Inspections and Maintenance

Regular checks each year can find problems early, like a bad pressure valve or dirt buildup. This can help prevent leaks later.


Flushing the Tank to Remove Sediment Build-Up

Flushing your water heater tank once a year helps remove minerals that can build up and harm the inside of the tank. This will make it last longer.

How PDS Plumbing and Air Can Help You

At PDS Plumbing and Air, we know that water heater problems need quick attention. We are ready to help with fast and dependable support, whether you need repairs or a full replacement. Here’s why picking us is a good choice:


  • 24/7 Availability: We know emergencies happen anytime, so we are always here to help. A call to PDS Plumbing and Air means you’ll get help day or night.
  • Skilled Technicians: Our team has well-trained plumbers who know water heater systems very well. They ensure good water heater installation and repair.
  • Friendly and Respectful Service: We treat your home with care. We make sure everything is clean and safe after the job is done.
  • Customer-Centered Approach: From the moment you contact us to the end of your service, your happiness is our main goal.


For quick water heater repairs or to set up an installation, CALL US or SCHEDULE A TIME online today!

Conclusion

A leaking water heater is a big problem. But if you act fast, you can stop it from becoming an expensive repair or replacement. The steps above can help you deal with leaks and may protect you from a lot of water damage. If there are other problems or if you need long-lasting fixes, PDS Plumbing and Air is ready to make sure your home's plumbing is safe and works well.


For quick and dependable help, contact us today at PDS Plumbing and Air.

Frequently Asked Questions

  • Why is my water heater leaking from the bottom?

    This often means there is internal rust or a broken drain valve. It’s better to talk to a professional to check how serious the leak is.

  • How long does a typical water heater last?

    Most water heaters last for 8 to 12 years. Regular care can help them last even longer.

  • Can I fix a leaking water heater myself?

    You can do simple checks, but for tricky problems, it’s better to call a plumber.

  • How do I know if I need a new water heater?

    Frequent repairs, low performance, and leaks are signs that it’s time to replace it.

  • What should I do if my water heater leaks when the office is closed?

    Call PDS Plumbing and Air. We provide emergency services 24/7 to deal with urgent water heater problems.

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