- Mar 24, 2013
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Do you just have a 3" cap at the bottem of the "Y"
Vinnie
I used a 3" test cap held in with a cut off piece (about 2" long) of 3" PVC
Here's a link to the cap
http://www.menards.com/main/plumbin...ngs/3-knock-out-test-cap/p-1768958-c-9383.htm