While most modern water heaters are designed with safety features to prevent possible explosions, there are times when improper maintenance or malfunctioning parts can lead to these situations. Should you be worried about your water heater? While rare, these instances can happen. Let’s look at the signs that may cause a possible explosion and how to prevent it from happening in your home.
What Causes a Hot Water Heater to Explode?
For the water heater to warm up the water, it will rely on a heat source, such as gas or electricity. During this process, pressure is created within the tank. When the water heater is working correctly, the buildup pressure is managed by the temperature and pressure (T&P) relief valve.
If there is excess pressure, the T&P valve will release it. However, if there is a failure in the valve, then the pressure can build. In turn, the tank can explode or rupture in your home.
Fortunately, these incidents are not a common occurrence. There are a few factors that can lead to these problems. Many times, it is due to an overheated unit. The thermostat regulates the temperature of the water inside the tank. If that part malfunctions, the water can become extremely hot. With the increase in temperature, the internal pressure will also rise in the tank.
Once again, if the T&P valve does not release this pressure, it can cause a dangerous situation for your home. The T&P valve is an important safety feature. However, if faulty, clogged, or not working properly, it may not release pressure when needed.
Over time, minerals and other sediment can collect at the bottom of the tank. In turn, that can insulate the heating element and lead to overheating problems. Sometimes, that can result in a pressure buildup, especially if the debris has not been flushed from the tank.
What Are the Signs of a Problem?
If you flush the tank and perform proper maintenance, you might never have to worry about a tank explosion. However, there are several warning signs that you will want to know to prevent a potentially dangerous situation.
You might have excessive sediment buildup if you hear loud popping or rumbling noises from the tank. Since the heating element needs to work harder to heat the water, it will make those noises. This can cause overheating and put pressure on the tank.
Your T&P valve should never be leaking, rusted, or corroded. Those are signs that you may need to replace it. You can prevent any problems by regularly inspecting this valve. If you notice anything that looks out of place, make sure to call a professional.
If the water from your faucets or shower is suddenly much hotter than usual, your water heater might have malfunctioned. Many times, this is the result of a faulty thermostat. When that happens, it can cause scalding water and raise the risk of excessive pressure in the tank. If you have these issues, contact a professional for an inspection.
How to Prevent Water Heater Issues
If you are still worried about an explosion, there are steps to prevent any issues. Regular maintenance is key. You will want to schedule an inspection about once a year. During this time, the technician will check the T&P valve, thermostat, and other parts for signs of wear or damage. Also, when you regularly maintain the water heater, you can help prolong its lifespan.
Sediment buildup can affect the performance of your water heater. In some cases, it is a factor in these explosions. With that in mind, you will want to flush your water heater at least once a year. This is usually completed when a professional conducts the yearly inspection. Flushing the tank removes the minerals and debris that accumulate over time. As a result, the heating element can operate more efficiently and reduce the risk of overheating. If you live in an area with hard water, you may want to flush the tank at least twice a year.
Along with that, you will want to keep your water heater’s thermostat set to a safe range. Many professionals recommend that you put it between 120°F and 140°F. At those temperatures, you will have hot water for your regular use, but it is not hot enough to overheat the tank or scald anyone in your home when they use the water. The idea of a water heater explosion can be scary. However, with the proper care and maintenance, you can prevent these incidents from ever occurring in your home.
If you want a full inspection of your water heater or are worried about its safety, contact the team at Benjamin Franklin Plumbing. Our licensed plumbers have the knowledge and skills to make sure your heater works safely in your home. When you need help with any plumbing repairs, installations, or maintenance services, reach out to us for an appointment.