I wrapped 3 layers of Teflon tape onto the 3/4" return and hand tightened into the bulkhead based on the threads in comparison to the 1" herbie drains which I was able to easily hand tighten all the way.
Perhaps I need to try other 3/4" MPT's.
I decided to test anyways by re-installing the 3/4" return into my cube. Needless to say......it's got a slow leak
Any suggestions?? I've tried 2 bulkheads and 2 different brands of 3/4" MPT's......gets very tight after a few turns into the bulkhead even with the use of Teflon tape.
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