The Factors of a Water Heater Tank Explosion

With regards to needing to do maintenance on ones water heater, it is a rather low maintenance appliance. Nevertheless, one essential aspect of it should be checked out routinely. Water Heater Repair Huntington Beach wishes to pass along this safety information regarding ones water heater today.

High temperature if coupled with tank corrosion inside the storage tank might cause an explosion. Any time the water temperature is less than 212 degrees Fahrenheit, one will be protected from an explosion, though there is a associated risk of scalding at that temperature. But, if the water temperature is greater than 212 degrees, water transforms into steam, which will enlarge to 1,700 times the space it occupies as water. This is the time an explosion can happen.

Cautionary Signals of a Water Heater Explosion
The leading sign is if one goes to get hot water from a faucet and only steam comes out. Immediately turn off power if one possesses an electric water heater. If one has a gas hot water heater, turn off the gas valve on the water heater. Next, get in touch with us to come evaluate the predicament.

Minimizing Potential Water Heater Dangers
The most crucial upkeep job with a water heater is to examine the pressure relief valve, also referred to as the T&P valve, on a standard schedule. This valve helps control the pressure buildup inside of the water storage tank to reduce a dangerous rise in temperature and overpressure.

Be careful, the water release coming from a T&P valve might be really hot. If you do not feel comfortable testing the valve let us know. Also, carrying out any type of fixes to the valve should be performed by a experienced plumbing repair company.

How to Test the T&P Valve

Remove anything from around the space around the overflow pipe and floor drain.
Lift the test handle for approximately 5 seconds or until the water runs clear.
Release the handle.
If the T&P valve continues to run with water, raise the handle up and down quickly to get it to reseat itself. One may need to do so a several times. IF it has not been tested for a while, it might be difficult to raise it at first. Avoid using too much force, but may need to make use of just a little.
If the T&P valve continues to have water coming out, it should be replaced.

Other items to watch out for are corrosion on the stem of the valve. If there is any water dripping out of the valve stem or from the drain valve.

Water Heater Maintenance Infographic


Huntington Beach Water Heater Maintenance

Related T&P Valve Testing Videos

Mythbusters did a test of the potential dangers of hot water heater explosions here:

Water Heater T&P Valve Repair Katy TX

What the Experts Say

  • The discharge from a T&P valve can be very hot. It is very important that all T&P valves be installed properly with a discharge line piped downward to an adequate drain to avoid property damage and to minimize possible human contact.
    Read more…

Watts Water Technologies

If the temperature in your heater remains high after you turn down the thermostat, the thermostat may be faulty. Consult a professional for repair. Read more…

Home Guides

Pressure relief valves sometime develop a drip when opened for the first time in years. Try opening and closing it a few times to see if it will seat itself. If you have a large leak or the drip doesn’t stop on its own in a day or two, the valve will need to be replaced.  Read more…

Today's Homeowner

Check out some of our other water heater tips in our blog