Would someone mind helping me identify this On/Off ASA, please? I have been searching the internet but have not had any luck. The only marking on it is the one jewel with the "X" logo in it (assuming that is what it is, that might be leading my astray). It has a dovetail style mount. It discharges when the slide is moved to the off position.
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Definitely System X.. produced near the end of the company.. it’s a copy of the hybrid push button ASA, notorious for shredding orings
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The logo in the jewel is definitely the System X logo. Thanks! I am doing more digging now.Comment
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I can confirm, these do shred o rings.
They also make really good reg testers
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Last edited by Trbo323; 06-25-2025, 09:03 PM.I use Tapatalk which does NOT display comments. If you want me to see it, make it a post not a comment.
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Sad to hear they are known for shredding O-rings. So that just means it is only a matter of time before it gives me issues. I was trying to find another one, but since they appear scarce and since they are known for problems i will get a different on/off for the other marker. I will just keep using this one and fix it as it needs it. Thanks for the help, everyone!Comment
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The o rings are pretty easy to replace, 2 rings, size 008 if my memory is correct. The red push button unscrews and the shaft comes out the other side. Just make sure not to lose the pin that pushes the tank pin valve
If you can get anything in there to chamfer the air passage holes a little that can help. They are sharp and that's why it shreds o rings
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