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I have purchase several 1/2" sharkbite fittings to finish off a rough Wirsbo AquaPEX installation and the connection leaks slightly no matter how I connect it. Am I missing something? Is there a trick to this?
I have the PEX tubes poking through the cabinets on a vanity. I took the sharkbite (which has a 1/2" threaded male end on one side and the standard sharkbite push-on on the other), slathered some blue pipe dope on the threads, twisted my chrome 1/2" to 3/8" valve on the end till hand tight. I then took two wrenches and tightened the mother down till pretty tight (this was the second time after already taking it apart once). Lastly, I slid the sharkbite onto the PEX tubing and turned on my water main valve to test.
Tiny droplets of water are leaking through the dope at the thread location. What gives? is there something about connecting crome to copper? I have had similar issues with chrome nipples to the threaded wall receptors -- the last time I tried to use teflon tape to seal, but leaks continued to appear until i used the pipe dope. This time, while slightly different of a configuration, the dope doesn't seem to be sealing the threads.
I thought this would be an easier solution than the alternative -- hiring ANOTHER plumber to take my money and not finish the job. Haha.
Any additional thoughts? I'm ready to yank all my hair out!