How To Pressure Test Pex With Air

Pressure testing PEX tubing with air is a quick and easy way to check for leaks. Air is less likely than water to damage PEX tubing, and it can be used to test for leaks in both pressurized and non-pressurized systems.

How To Pressure Test Pex With Air

PEX piping can be pressure tested with air to ensure its integrity. Air is less likely to damage the piping than water, and it is a faster method of testing. A small compressor can be used to pump air into the piping, or a bicycle pump may be sufficient. The test should be conducted at the maximum anticipated pressure for the system. If there are any leaks, they will become evident as bubbles in the pipe.

– Pressure tester – Air compressor

  • Turn on the air compressor and wait until the tubing is completely full of air shut off the compressor and
  • Fill a bucket with water and place pex tubing in it
  • Attach the air compressor to the pex tubing

1. How to pressure test pex with air 2. What you need to do a pressure test on pex 3. How to use an air pump to pressure test pex 4. What are the benefits of pressure testing pex 5. Tips for pressure testing pex

Frequently Asked Questions

Can You Pressure Test Water Lines With Air?

No, you cannot pressure test water lines with air.

What Psi Do I Test Pex?

You can test PEX by using a psi tester.

What Pressure Should Water Lines Be Tested At?

Water lines should be tested at a pressure of 60 PSI.


To pressure test PEX with air, blow compressed air into one end of the pipe until it exits the other end. Bubbles will form if the pipe is leaky.

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