To restart the water heater open the shutoff valve and let the hot water run at any faucet to purge air from the system.
A hot water heater explode.
Your water heater has a limited lifespan during which it deals with a lot of pressure.
The pressure relief valve is usually located at the top of heater on the side.
What causes a water heater to explode.
Water heaters rely on both pressure and high temperatures.
Here are a few signs your water heater will give before going burst.
Set your water heater s dial to 120 degrees f.
It is normal for pressure to be present but if the water heater has too much of it and this not immediately rectified that s the time it will happen.
A water heater explosion produces enough force to completely destroy your home.
Meaning there s a limit to the amount of pressure your water heater can endure.
Water heater explosions are rare but when they do happen they can be devastating.
Leaking pressure relief valve.
Most water heaters are designed to endure internal water pressure of up to 150 psi.
Water heaters exploding are not caused by one single factor.
However there is one that you need to pay the closest attention to which is the pressure inside the water heater.
The amount of pressure inside is the most important factor that can cause a water heater to explode or prevent it.
Malfunctioning water heaters run a much higher chance risk of exploding as do ones that are not being maintained or replaced regularly.
What causes a hot water heater to explode.
Can a water heater explode.
It opens when the pressure inside the tank reaches extremely high levels letting out water and lowering the pressure inside.
When a heater fails or even explodes it can cause extensive water damage to your home.
Usually the fastest way to purge the system of air is to bleed from the farthest point.
Signs your water heater is about to explode.
Then turn on the power or relight the pilot.