5 Star Plumbing | Signs Your Water Heater Is Going To Explode
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Signs Your Water Heater Is Going To Explode

5 Star Plumbing > Blog > Signs Your Water Heater Is Going To Explode

Water heaters are essential appliances that provide hot water for various household activities. However, like any other mechanical device, water heaters may develop issues over time, potentially leading to dangerous situations such as explosions.
Recognizing the warning signs that your water heater is at risk of exploding is crucial for preventing catastrophic damage and ensuring the safety of your home and family. In this guide, we will explore the key indicators that say your appliance may be on the verge of exploding.

Can a water heater explode?

Yes, it can easily potentially explode if certain conditions are present. To prevent it, there typically is a pressure relief valve that releases excess pressure to prevent explosions. However, if the pressure relief valve malfunctions or if the pressure inside the water heater exceeds safe levels due to factors like overheating or sediment buildup, there is a risk of explosion. 

In rare cases, if a heater is sourced by gas and accidentally it starts leaking… In that case, the gas will ignite, causing a fire or big bam. Therefore, it is essential to properly maintain and monitor your appliance to prevent these dangerous situations from occurring.

Strange noises and vibrations

One of the first signs that there may be trouble is when you start hearing unusual sounds. While water heaters do make some noise during operation, if they want to explode, they start giving low hums, gentle rumbling sounds, loud banging, popping or hissing.

These noises could indicate a buildup of mineral deposits inside the tank, which leads to increased pressure and ultimately, our topic. But vibrations are frequently a result of loose or faulty internal components. If you notice any unusual sounds, it’s important to investigate further and understand the root reason. Professional service inspection is optimal if your machine is behaving strangely.

Leaks and puddles

Fluctuating or inadequate hot water delivery

There are several reasons why your appliance may have this issue. One possibility is a malfunctioning thermostat, which can make the water heat inconsistently or not reach the desired temperature. Another question could be a broken dip tube, which is responsible for delivering cold liquid to the bottom of the tank for heating. If the dip tube is damaged or broken, it statistically results in lukewarm or cold water coming out of the tap. Anyways, it all causes a dangerous pressure and system overworking, which may lead to that your water heater will explode from systematic hot supply dysfunctions.

water heater repair

Rusty or discolored water

A sudden jump in your energy bills without any other noticeable changes in your household may become an indication that your water heater is not functioning efficiently and is even going to explode. As the appliance ages or develops some dysfunctions, it may require more energy to heat the same amount of h2o, resulting in higher energy consumption, whether we speak about tank or tankless.

Foul odors

The presence of a rotten egg or sulfur-like smell is often an indication of a gas leakage. From our observations, it occurs due to a faulty g-valve, loose connections, or a damaged gas line. With this type of leak in the water heater, it can explode and create a potentially deadly situation.

If it smells bad near your heater, it’s crucial to take immediate action. Turn off the gas supply to the unit and open windows and doors to give more air and ventilate the area. Avoid using any open flames or electric devices that could generate sparks.

What to Do If You Suspect Your Water Heater Is Going to Explode

If you’ve noticed any of the signs mentioned above or have a gut feeling that your appliance is on the verge, it’s crucial to take immediate action. Here are the steps you should follow:

  1. Switch off the power: If your heating machine runs on electricity, locate the circuit breaker or fuse box and deactivate the unit. If the appliance runs on gas, shutdown gas supply using the shut-off valve located near the unit. 
  2. Open windows and doors: Ventilate the area by opening windows and doors to allow any potentially harmful gasses to dissipate.
  3. Shut the water supply: Locate the shut-off valve and close it to prevent any further water from entering the tank.
  4. Contact a professional plumber: If you are afraid of ‘water heater explode’, Call 5 Star Plumbing, a licensed plumber to inspect your problems or concerns and seamlessly assess the situation. We will determine the cause of the problem and recommend the appropriate repairs or replacements.
Peter, plumber

I bring over 9 years of dedicated plumbing experience to the table. As a seasoned professional in the plumbing industry, I've tackled a wide range of projects, from residential repairs to large-scale commercial installations.

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