Originally Posted by txirrigation
Make sure your using sch. 80 in and out, it's also a good idea to use a brass nipple between the dcva and the wye.
This has been a public service announcement...
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i always use brass closed nipple fittings now because i have had to repair a few (that i did not originally install)...this is a fitting that i will not skimp on, have even seen schedule 80 break a few times