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Paul Moch



Wednesday, October 12th 2016, 10:32am

Test Cock Break

The test cock on my sprinkler backflow resistor is broken with the thread stuck inside. Can I simply apply sealant or do you I have to replace the test cock?


Supreme Member

Posts: 5,292

Location: Metro NYC


Wednesday, October 12th 2016, 8:18pm

Replace it.


Supreme Member

Posts: 482

Location: Houston, Texas


Wednesday, October 12th 2016, 9:15pm

And then
Get it inspected.

A brand new backflow preventer is just an expensive piece of pipe if it is not working correctly.

As a I see about 30 percent of brand new backflow preventers fail due to installation with debris, pvc, copper, shavings, or dirt, or springs or check valves needing to be reset.

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