What is the black insert needed for..should I use it? (AquaLock 3521-1008 Drop Ear Elbow, 1/2'' CTS x 1/2'' NPT)

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Apr 29, 2022 - 09:01 AM

Yes, that is the quick connect that allows it to be connected without tools properly. It is recommended that all threaded connections be made with Teflon tape only also.

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What is the black insert needed for..should I use it?

AquaLock 3521-1008 Drop Ear Elbow, 1/2'' CTS x 1/2'' NPT

With just a snap, quickly install the AquaLock Drop Ear Elbow on hot or cold water lines! Works with copper, CPVC, PEX, and CTS-rated pipes. These quick-connect fittings from AquaLock are designed and manufactured for many years of trouble-free service.

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