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6 Signs Your Water Heater Is About to Fail

Double L Plumbing technician servicing a water heater in Azle, TX.

The Hidden Clues Your Water Heater Is Nearing Its Final Days

Your water heater is one of the hardest-working appliances in your home. From hot showers to clean dishes, you rely on it daily. But like any system, water heaters don’t last forever. Spotting the warning signs early can help you avoid a complete breakdown—and an icy surprise when you least expect it.

Here are six common signs your water heater may be nearing the end of its life.

1. Inconsistent or Lukewarm Water

If your water suddenly isn’t as hot as it used to be—or fluctuates between hot and cold—your water heater may be struggling. A failing heating element or sediment buildup in the tank often causes this.

2. Strange Noises Coming from the Tank

Popping, rumbling, or banging noises usually mean sediment has hardened inside your water heater. As the system heats, the buildup shifts around, creating those sounds. Over time, this puts extra stress on the tank and speeds up wear and tear.

3. Rusty or Discolored Water

If your hot water comes out looking rusty or muddy, it could point to corrosion inside your tank. Sometimes this can be fixed with an anode rod replacement, but in many cases, rust means your tank is breaking down and may need to be replaced soon.

4. Leaks or Pools of Water

Even small leaks around the base of your water heater can quickly turn into bigger issues. Corrosion, cracks, or pressure problems are often to blame. Once a tank begins leaking, replacement is usually the only solution.

5. Your Water Heater Is Over 10 Years Old

Most traditional tank water heaters last around 8–12 years, depending on maintenance. If yours is hitting that age—and showing any of the signs above—it’s time to start planning for a replacement.

6. Rising Energy Bills

If your energy bills keep climbing but your hot water usage hasn’t changed, your water heater may be losing efficiency. Sediment buildup and worn parts make the system work harder, costing you more each month.

Don’t Wait for a Cold Shower

If you’ve noticed any of these warning signs, your water heater may be on its last leg. The good news? Replacing your system before it fails completely can save you from water damage, costly emergency calls, and days without hot water.

At Double L Plumbing, we provide expert water heater repair and replacement services throughout Azle, Weatherford, and surrounding Texas communities. Our team can help you decide whether a repair will extend your system’s life—or if it’s time for a new, energy-efficient unit.

Call us today at 817-444-3100 or contact us online to schedule your water heater service.

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Shelley Hampe
Shelley Hampe
20:15 13 Jul 25
Thomas was knowledgeable, kind, and efficient. He did a great job!
William
William
15:47 30 Jun 25
Fast and great service
Cinda Masure
Cinda Masure
02:24 28 Jun 25
This time was our hot water heater needing service. Very efficient and quick. We have used you several times always pleased with the job. All the tech have knowledgeable and do excellent work. Logan Ellis did a great job for us!
Sandra Bell
Sandra Bell
16:57 18 Jun 25
We have used Double L a number of times, the work was ways done neatly and explained as they worked. We thank them .
Tobi Gardner
Tobi Gardner
19:59 16 Jun 25
Finding a great plumber can be tough, but I hit the jackpot with this one! From the moment they arrived, they were professional, friendly, and clearly knew their stuff. I really appreciate their honesty and fair pricing. Highly recommend!
Brandon Johnson
Brandon Johnson
16:49 13 Jun 25
Great service! Was able to replace my valve quickly!
Daun Dickson
Daun Dickson
22:07 03 Jun 25
Logan was very professional and thorough. Great customer service!
Tom Morgan
Tom Morgan
14:26 31 May 25
Dalton was great! He and the company worked with my schedule and took care of my issue. Efficient and professional!
Kevin Kysar
Kevin Kysar
15:34 28 May 25
Great to deal with, technician was right on time, and repair went perfectly. Will definitely call them again with future plumbing issues.
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