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How to: Water Heater Temperature / Pressure Relief Valve Test

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How to: Water Heater Temperature / Pressure Relief Valve Test

If your water heater is not working, you might be in need of heater repair but there are still a few things you can do before contacting your local plumber. One of those things is pressure relief valve testing. What is the proper pressure relief valve testing procedure and should you call for emergency repair immediately? Follow our guide to know all there is to know about boiler pressure relief valve testing.

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Follow the safety guidelines included in this infographic for testing the temperature/pressure relief valve on your home’s water heater.

Take a look at the Mythbusters® “Hot Water Heater Explosion” video — that’s what can happen when the temperature/pressure relief valve is disabled.

 

We recommend testing your water heater’s temperature/pressure relief valve twice a year. Here’s how to test your pressure relief valve:

  1. Locate the valve on the top or side of your water heater. Place a bucket or pan under the drain pipe.
  2. Lift the lever to hold the valve open for five seconds. Be careful: the water is hot! Wear shoes and keep bucket level.

If: The valve won’t open or no water comes out; the valve drips or doesn’t fully seal after you test it; you notice water pooling below the drainpipe in the future…

contact our plumbing experts right away! You might be in need of emergency water heater repair services.

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