Sep 03, 2020 by Norman Lane

Q: Regarding the internal O-ring, is it likely that that is something I can fix?

A: Yes, they can be taken apart and the large O ring cleaned and examined for tears. See this video for more:

Sep 01, 2020 by Norman Lane

Q: I have had one of these for years and like it but it seems like it wastes a lot of oxygen. I normally turn the tank valve on for just a second and the gas will flow out of the stone for 30 seconds or so. But the whole time, gas is also flowing out of a small vent hole near the barb. Is this normal?

A: That is not normal. It sounds like an internal O ring seal has failed.

Feb 20, 2019 by John

Q: I'd like to connect the discharge from this regulator to a standard 5/16" I.D. vinyl gas tubing. What's the best way to do this? Thanks.

A: We have a 3/8" hose barb for this regulator but not a 5/16". This would be something you would have to fabricate.

Nov 18, 2018 by Bill Dean

Q: should this have a washer or o-ring for a proper seal?

A: No, this is a metal to metal seal. Make sure there are no burrs on the oxygen valve on your tank, and shut off the oxygen with the tank valve between uses.

Jun 20, 2018 by Kevin

Q: Hi, would this work with the common 1.4oz red oxygen cylinders found at hardware stores?

A: No, for the 1.4 oz. cylinders you would need our item Q11

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