Yes. Ar, stands for Argon.
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Yes. Ar, stands for Argon.
Use your shop air and blow air into the other long hose.... the air is going to come out the hose on the dinse connector if things are right, or it will come out the torch if the fitting is on the wrong hose.
Something else is that the argon hose, at least on my torch assembly, does not have reinforcement fibers like the water hose does. But maybe the hoses were connected backwards in your torch.