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post #5 of (permalink) Old 02-19-2013, 01:33 AM
Darkblade48's Avatar
Join Date: Jan 2008
Location: Toronto/Singapore
Posts: 10,189
Originally Posted by jack25 View Post
I recently bought a Matheson regulator that came with a CGA stem but it doesn't seem to connect to the valve that is on the tanks. Below is a pic of the valve connection and my CGA stem. Any help you guys can provide is greatly appreciated.
You appear to have a CGA346 stem and nut (air), a CGA350 stem and nut (hydrogen) or perhaps a CGA540 stem and nut (oxygen). They are all very similar looking. You will need to replace it with a CGA320 stem and nut.


A Primer to Pressurized CO2 and A Primer to Planted Tanks
Eheim Pimp #362 - Eheim 2213 x2, Eheim 2028, Eheim 2217, Eheim surface skimmer and Eheim autofeeder.
Victor Pimp #33 - HPT272-125-350-4M
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