This is an adapter for transmitter onto first stage, correct? Would this be considered a new point of failure? Or not to worry with this adapter?You need one of these
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First Stage Regulator Adapter 7/16M - 7/16F , Piranha Dive Shop -
First stage regulator adapter 7/16" x 20 to 7/16" x 20 Male thread end is a 7/16 Female thread end is a 7/16www.piranhadivemfg.com
Scubapro included one with the MK 17 EVO (a design flaw since corrected by the evo2)