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The other problem that could shut off air supply quite completely would be a broken/ collappsed main spring in the 1st stage, but I never heard of that.
The other problem that could shut off air supply quite completely would be a broken/ collapsed main spring in the 1st stage, but I never heard of that.
Richard, I'm fairly sure that the new Oceanic/Hollis SE regs are upstream as well....but I could be wrong.