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Is Your Water Heater Leaking?

By PMNOW Support

August 28, 2024

Here’s Your Ultimate Fix-It Guide!

When it comes to keeping your home running smoothly, your water heater plays a crucial role. But what happens when it starts leaking? At Patton Plumbing Heating and AC here in Mason, TN, we’ve seen firsthand how a small leak can turn into a big problem if not addressed quickly. That’s why we’ve put together this guide to help you understand the ins and outs of water heater leaks, how to prevent them, and what to do when they occur.

Common Causes of Water Heater Leaks

Let’s dive into some of the most common reasons your water heater might spring a leak. Knowing these can save you a lot of time, money, and hassle.

1. Old or Aging Water Heater

Like all good things, water heaters don’t last forever. Traditional water heaters usually give you about 8 to 12 years of service, while tankless models can stretch up to 20 years. But as they age, they start to show wear and tear—tiny cracks, loose connections, and even corrosion inside the tank. If your heater is approaching the end of its lifespan, it might be time to think about a replacement before leaks start popping up.

2. Loose Drain Valve

Ever noticed a small puddle around your water heater? It could be a loose drain valve. This little valve is essential for draining the tank during maintenance, but if it’s not closed tightly or starts to wear out, it can leak. Regular checks can help you catch this early—sometimes, all it takes is a quick twist to tighten things up.

3. High Water Pressure

Your water heater is designed to handle a specific pressure range—usually between 50 to 100 PSI. When pressure gets too high, it puts extra stress on the tank and its parts. Over time, this can cause leaks or even a burst tank. If you’re unsure about your water pressure, it might be worth installing a pressure-reducing valve to keep things in check.

4. Faulty Temperature & Pressure (T&P) Valve

The T&P valve is a crucial safety feature that prevents your tank from over-pressurizing and exploding (yes, really!). If this valve starts to fail, it can cause leaks. Regular inspections can help ensure that your T&P valve is working correctly, keeping your home safe and leak-free.

5. Cracks in the Water Heater Tank

Sometimes, water heater tanks can develop cracks due to manufacturing defects or physical damage. These cracks might start small, but with the constant heating and cooling cycles, they can expand, leading to leaks. If your tank has a crack, replacing the unit is usually the best solution.

6. Hard Water and Sediment Buildup

Here in Mason, TN, hard water is a common issue. The minerals in hard water can settle at the bottom of your tank, forming sediment that causes overheating and eventual tank damage. Regularly flushing your tank can help prevent sediment buildup and keep your water heater running smoothly.

7. Loose Inlet and Outlet Connections

If your water heater is leaking from the top, it’s likely due to loose or corroded inlet and outlet connections. These are the points where water enters and exits your tank, and they can become compromised over time. Tightening these connections or replacing corroded parts can often stop the leak.

8. Anode Rod Deterioration

The anode rod inside your water heater is like a sacrificial lamb—it attracts corrosive elements in the water, protecting the tank from rust. But when this rod wears out, your tank becomes vulnerable to corrosion, leading to leaks. Checking and replacing the anode rod as needed can help extend the life of your water heater.

Where Do Water Heater Leaks Typically Occur?

Water heater leaks can show up in a few different places, each with its own set of causes and solutions.

  • Bottom Leaks: Leaks at the bottom of the tank are usually due to sediment buildup. This sediment can cause the bottom of the tank to overheat, leading to small cracks. Regularly flushing your tank to remove sediment can help prevent these bottom leaks.
  • Top Leaks: If you notice water leaking from the top of your water heater, it’s probably due to loose or corroded inlet/outlet connections or a faulty T&P valve. Checking these areas regularly and tightening or replacing parts as needed can prevent top leaks.
  • Condensation: Sometimes what looks like a leak is actually just condensation. This happens when cold water enters the tank and meets the warmer surface, causing moisture to form. While it’s not a true leak, it can create puddles around your heater. Keeping your tank at a consistent temperature and ensuring proper ventilation can help reduce condensation.
  • Leaks Inside the Tank: Internal leaks are a bit trickier to spot. They usually occur due to corrosion or a worn-out anode rod. Unfortunately, these leaks often mean it’s time to replace your water heater, as they can be difficult to repair.

What to Do When Your Water Heater Starts Leaking

If your water heater starts leaking, don’t panic! Here’s what you should do:

  • Turn Off the Water Supply: This will prevent more water from leaking out and causing damage.
  • Shut Off the Power: For electric heaters, turn off the power at the breaker. For gas heaters, turn the gas valve to the off position.
  • Assess the Severity of the Leak: Determine whether the leak is minor (like a loose valve) or more serious (like a cracked tank). Minor leaks can often be fixed, but serious ones might require a full replacement.
  • Call a Professional: If the leak seems beyond your DIY skills, or if you’re unsure of the cause, it’s best to call a professional. We’re always ready to help at Patton Plumbing Heating and AC—just give us a call, and we’ll take care of it.

Got a Leaky Water Heater? Patton Plumbing Heating and AC Has You Covered!

Water heater leaks can be a real pain, but with regular maintenance and a little know-how, you can keep them at bay. And when those leaks do happen, remember that Patton Plumbing Heating and AC is just a phone call away. Let us help you keep your home safe, efficient, and leak-free!

If you’re looking for more helpful tips and insights, be sure to check out our other blog on Common Reasons Why Your Toilet Gurgles When You Shower. And as always, if you need professional assistance, don’t hesitate to reach out to us at Patton Plumbing Heating and AC. We’re here to help with all your plumbing, heating, and AC needs!

Category: Blog