Foot pedals are normally set so that the oxygen and propane lines carrying gas destined for the outerfire are run to the pedal and then there are oxygen and propane lines going from out of the pedal and into the torch (specifically, into the propane and oxygen inlets for the outerfire). The foot pedal will shut off both the oxygen and the propane, unless you configure it differently.
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Kimberly
working glass since 1990 - melting it on a torch since 2002
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