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Old 2013-08-19, 7:43am
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Surrealle Surrealle is offline
Join Date: May 05, 2013
Location: NW Louisiana, for now...
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Originally Posted by kbinkster View Post
If you are running a low flame on the centerfire only, you may be able to keep the outerfire oxygen closed - just make sure that both concentrators are able to put out some oxygen.

If you have on machine running the centerfire and one machine running the outerfire, then on your particular concentrators, you will have to crack open the outerfire to allow for some flow.
Okay, thanks! I'm confused about these two things though. Wouldn't I typically have the oxy/propane turned off for the outerfire if I wasn't using it? Why would I have the oxygen turned on, apart from what you were saying about it stabilizing the inner flame?

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