What Causes Water Heaters to Burst?

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water heater repair in Darien, CT

Your water heater is essential to the comfort of your home, which is why it’s important for your hot water heater to work at all times. Once there is a problem, however, a plumber in Darien, CT from JNR Plumbing can fix it. Unfortunately, there are certain situations that can lead to a water heater bursting. It’s important to know what can cause this so you can take steps to prevent it from happening in your home.

Sediment Buildup

One of the biggest reasons why a water heater might burst and why you would need water heater repair in Darien, CT, in general, is a buildup of sediment in the tank. Naturally, over time, sediment builds up and settles at the bottom of the heater. This occurs when you get hard water in your home. If the sediment builds up enough and continues to sit in the bottom of the tank, it can lead to overheating, which can cause the water heater to burst.

You can tell that you have sediment buildup in your heater if you start noticing odd noises. The heater may make popping or knocking sounds. You can prevent it from bursting by flushing your heater and draining out the sediment one time per year. You can also invest in a tankless water heater to avoid sediment buildup in the first place.


A water heater suffering from corrosion means there is too much rusting inside it. If it’s bad enough, you may need a water heater replacement. You can prevent this from happening and avoid bursting by relying on the anode rod, which will rust instead of your water heater. However, this needs to be replaced every four or five years or even sooner, particularly if you use a water softener. You can tell that you have a corrosion problem if you run your hot water and it comes out reddish or brownish.

Extensive Internal Pressure

Too much pressure inside your water heater can also lead to it bursting. You can turn down the pressure inside the tank by using the temperature and pressure or T&P relief valve. At the same time, you know you have a problem that requires a whole new water heater installation if the T&P opens often or leaks regularly. The temperature in your heater should also never be higher than 125 degrees Fahrenheit.

JNR Plumbing can provide you with immediate water heater services that can put your mind at ease. Contact us today to schedule an appointment.

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