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Posted by HeatPro on November 24, 2007 at 09:54:49:
In Reply to: Re: Why do we keep losing flow switches? posted by Dave on November 24, 2007 at 00:16:56:
Try the smallest, as the velocity should be high enough to move it across the entire fitting. It's just a guess as to which one would be small enough to do the switching without being slammed.