How Do You Know Your Water Heater Is Going Out? Don’t Ignore These Signs!

Signs of a failing water heater include rusty water, strange noises, and a lack of hot water. If you notice any of these indicators, your water heater may be going out.

A water heater plays a crucial role in ensuring that you have hot water for your daily needs. Having a malfunctioning water heater is inconvenient and frustrating. If you suspect your water heater is going out, it’s essential to address the issue promptly.

Fortunately, there are some telltale signs that can help you determine if your water heater is malfunctioning. In this article, we will explore some of these signs in detail, so you can determine if it’s time to replace your water heater.

How Do You Know Your Water Heater Is Going Out? Don't Ignore These Signs!


Signs That Your Water Heater Is Going Out

Are you experiencing issues with your water heater, and suspect it may be going out soon? Don’t ignore the signs! Ignoring problems with your water heater can lead to bigger issues and costly repairs. In this blog post, we’ll focus on the signs that your water heater is going out, ensuring you know when to call in a professional.

Let’s get started with the first sign – decreased water pressure and temperature.

Decreased Water Pressure And Temperature:

  • One of the most common signs that your water heater is going out is a reduction in water pressure, indicating potential blockages from mineral buildup.
  • Low water temperature is also a clear indicator that your water heater is not functioning correctly, and it’s possible that parts may need replacing or repairing.
  • If you notice a decrease in both temperature and pressure, then it’s time to call in a specialist to investigate further.

Rusty Or Discolored Water:

  • Another clear sign that your water heater is going out is if you notice rusty or discolored water.
  • Rust-colored water can indicate that the interior of the tank is corroding, which can lead to leaks and damage to other parts of your system.
  • Discolored water can also be caused by aging pipes in your home. If you only notice discoloration in some of your taps, then this can be an indication of a different problem.
  • Either way, it’s best to get a professional to assess the situation and determine the cause of the issue.
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Unusual Sounds Or Noise From The Water Heater:

  • Loud or unusual sounds from your water heater can be an indication of minerals or sediment build-up that is heating up and causing noises.
  • If you hear crackling, hissing, or popping sounds from your water heater, then it may be time to call for a service.
  • You could also try flushing the water heater to remove any mineral or sediment buildup inside.

Water Leaking From The Tank:

  • Water leaking from the tank is one of the most apparent signs that your water heater is going out.
  • Leaks can occur as a result of corrosion, fractures in the tank, or issues with the pressure relief valve.
  • If you notice water pooling around your water heater, then it’s immediately time to turn off your heating system and call for professional help.

Age Of The Water Heater:

  • The age of your water heater is also an important factor when determining whether it is time for a replacement.
  • On average, water heaters last between 8-12 years, depending on their usage and maintenance.
  • If your water heater is approaching the end of its lifespan, then you may consider proactively replacing it to avoid any potential issues down the road.

If you notice any of these signs, it’s time to take action. Calling in a professional can help diagnose the issue with your water heater and prevent potential costly damage or repairs. Don’t ignore the warning signs – keep your water heater functioning correctly, and ensure you have hot water when you need it!

What To Do When You Notice These Signs

When it comes to your home’s appliances, the water heater is often overlooked until it’s too late. Don’t ignore the signs that it’s about to go out! In this post, we discuss the signs that your water heater is going out and what to do when you notice them.

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Turn Off The Power And Water Supply

If you suspect that your water heater is going out, the first thing you need to do is turn off the power and water supply. This will prevent any potential harm caused by an electrical short or water leakage. Follow these quick steps to safely shut off your water heater:

  • Turn off the electrical power supply by tripping the circuit breaker.
  • Turn off the gas supply or pilot light if your water heater runs on gas.
  • Turn off the water supply by closing the valve on the cold water pipe.

Call A Professional To Inspect And Repair The Water Heater

Once you turn off the power and water supply, it’s time to call a professional to inspect and repair the water heater. Here are some signs that indicate the need to call in a professional:

  • Leaking tank
  • Rusty water
  • No hot water
  • Unusual noises coming from the water heater
  • Foul odors emanating from the water heater
  • Discolored flames in gas water heaters

A professional plumber or technician will be able to inspect your water heater and advise you on whether it needs a minor repair or a complete replacement.

Possible Repair And Replacement Options

If your water heater is not too old, a simple repair may be the solution. However, if it’s too old or damaged beyond repair, a replacement may be necessary. Here are some possible repair and replacement options:

  • Replacement of faulty components such as the thermostat, heating element, or pressure relief valve.
  • Repair or replacement of the anode rod to prevent rust build-up in the tank.
  • Replacement of the entire unit with a newer, energy-efficient model.
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Make sure to consult with your plumber or technician on the best option for your specific situation.

Maintenance Tips To Keep Your Water Heater Running Efficiently

In addition to regular inspections and repairs, proper maintenance can help keep your water heater running efficiently. Here are some maintenance tips:

  • Drain and flush the tank at least once a year to remove sediment buildup.
  • Test the pressure relief valve every six months to ensure it’s working correctly.
  • Insulate the hot water pipes to prevent heat loss.
  • Adjust the temperature to 120°f to avoid overheating and energy waste.

By following these tips, you can ensure that your water heater lasts as long as possible and operates at its peak efficiency.

Don’t ignore the signs that your water heater is going out. Turn off the power and water supply, call a professional, consider your repair or replacement options, and maintain your water heater regularly. Taking these steps will help you avoid costly repairs or replacements and keep your home’s hot water running smoothly.


It’s essential to keep an eye on your water heater as it plays a crucial role in your daily life. Replacing a water heater isn’t cheap, so keeping it well-maintained can avoid future headaches. Take note of the signs indicating a faulty water heater such as rusty water, strange noises, and leaks.

Ensure to check both the age of your unit and the maintenance history to determine if a replacement is necessary. Installing a new, energy-efficient water heater can not only save you money on your energy bills but also offers improved performance and reliability.

Don’t ignore the signs of a failing water heater and take prompt action to avoid being left with cold showers. Regularly monitoring your water heater will ensure the longevity and effectiveness of your appliance, ensuring convenience and comfort in your daily routine.


I am a mechanical engineer and love doing research on different home and outdoor heating options. When I am not working, I love spending time with my family and friends. I also enjoy blogging about my findings and helping others to find the best heating options for their needs.