Optima CM - Replace Exhaust Valve with Pull Dump

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Sevenrider860

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Scuba Instructor
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Question for Optima CM divers with the pull dump on the counter lung...

Is replacing the counter lung exhaust value with the pull dump from Dive Rite an easy user task that does not require special tools?

Thank you,

Brian
 
I think you just need to unscrew and screw by hand. I was planning to do it but in the end didn’t and the valve that comes with the unit is pretty nice to manage the volume.
 
Just unscrew and mount the new one by hand.
 

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