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Is Your Water Heater Failing? 7 Warning Signs to Watch

  • dj1220131
  • 3 days ago
  • 4 min read

If you are waking up either to chills in a cold shower or some weird sounds from the utility closet, then your water heater could be trying to send you a message. Being a trusted Poway plumber, we have surely seen our fair share of water heater breakdowns, and most homeowners don't know there is such an issue until it becomes too late. Do not wait for a total disaster — with early detection of these signs, you will prevent costly repairs and water destruction.


In this article, we'll discuss seven signs that point to a faulting water heater — and what to do next when faced with those red flags.





1. The Temperature of the Water Is Not Reliable

One of the first potential signs of a failing water heater would be the unreliable temperature of water. If you're resistant to say whether your water is freezing cold or too hot, the water heater itself is probably not working.  


More often than not, a Poway plumber will find that temperature fluxuation has been caused due to a malfunctioning thermostat or heating element, or to the accumulation of sediments in the tank. No matter which it is, just get your system looked at as soon as you can.


2. Low Hot Water Pressure

Did you ever get the feeling that your hot water pressure is anemic, while your cold water runs just fine? This can be a subtle but ominous warning sign.


Sediment accumulation within the tank or along the hot water pipes can impede normal water flow. Hard water minerals settle and plug pipes over time, particularly in older systems. This limits water pressure and can lower your water heater's overall efficiency.


A certified Poway plumber is able to clear your system or swap components back to fix your pressure before matters escalate.


3. Strange Noises from the Tank

Your tank should purr like a kitten. Once popping, rumbling, or banging noises are occurring in the tank don't ignore it. 


This is usually due to hard sediment deposits that 'bite' into the heating element. Heated the sediment and if again heating, it solidifies and strikes noise, and hence, has stress inside the tank. Eventually, this will develop cracks and leaks or failure.


If yours has a habit of sounding like a popcorn popper rather than a silent unit, it's time to contact a Poway plumber to diagnose it.


4. Rusty or Murky Water

Clear water tells very well of a healthy system. But, observe that your hot water is rusty, clear cloudy or even metallic smell, then it indicates the possibility of corrosion in your water heater tank or pipes.


Rust can eat through metal and cause leaks — sometimes without much warning. If caught early, it might just require replacing the anode rod inside the tank. But if the tank itself is corroded, replacement is usually the only option.


Always reach out to a licensed Poway plumber to test your water and pinpoint the source of the issue.


5. Water Pooling Around the Heater

One of the most glaring — and immediate — indicators of water heater failure is water or water pooling at the bottom of the unit. Leaks don't always indicate your tank has ruptured, but they do indicate something amiss.


Typical reasons include:


A loose valve


Corrosion of the tank


Excessive pressure buildup


Cracked fittings or connections


Even a small drip can escalate quickly, leading to property damage, mold growth, and skyrocketing water bills. A reliable Poway plumber can assess the leak and recommend the safest fix.


6. You’re Running Out of Hot Water Too Quickly

Losing hot water in mid-shower is never enjoyable — particularly when it happens on a regular basis. If your tank no longer holds or heats water as much, it may be an indication the system is breaking down.


All the debris that builds up in the water tank occupies a portion of the available space thereby reducing the usable hot water for the user. You could be having a malfunctioning heating element or you may have a small-sized water heater that does not serve your needs anymore.


A Poway plumber can help you identify if your unit needs repairs, needs flushing, or needs to be changed to a very efficient one.


7. Your Water Heater Is More Than 10 Years Old 

Age can be a very definitive sign all alone. Most conventional tank water heaters are designed to last between 8 and 12 years. After that, the chances of failure rise sharply.


You can find the date of manufacture on the label of your water heater. If it's close to or has surpassed 10 years - and showing any of the above signs - now is the time to think about replacing it.


An experienced plumber in Poway can help you go through your options, from tank to tankless, and ensure that the installation is energy-efficient and cost effective.


Bonus Tip: Expensive Bills

If your power bills have been constantly increasing without any noticeable reason, you might want to look at your water heater. Usually, because of age and faults, older heaters become less efficient and take a long time to heat up, adding to the people's utility bills.


Replacing the water heater or buying a new one with today's technologies currently known as energy savers could reduce these amounts at the end of the month or bring in rebated amounts or tax credits based on where you are.


When to Ask a Poway Plumber for Help

A strange sound, a cold shock while showering, or continually growing water bills may mean that something is not quite right. Don't ignore these warning signs and call in a professional Poway plumber to fix your initial few problems, as it can save you huge headaches and costlier damages from arising later on.


A licensed plumber can:

Inspect and diagnose your existing system


Flush sediment and replace old parts


Suggest the optimum water heater replacement


Safe and code-compliant installation


Conclusion: Stay Ahead of Water Heater Problems


A failing water heater seldom breaks down without warning. By being mindful of the seven major signs—such as inconsistent temperatures, unusual noises, rust-colored water, and leaks—you can stay ahead of significant problems and safeguard your home.


If you need professional assistance, don't wait until you're ankle-deep in icy water. Call a reliable plumber for a professional evaluation and peace of mind.


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