Is an additional hanger required in the 20" of pipe mentioned? Certainly. But, these 2 hangers do not need to be less than 2 feet apart. They can be spread apart. Half the max allowable distance? end of line hanger spacing/pipe size would not apply once that armover is hung, right? As for the hanger assembly limiting the upward movement, I never noticed this discrepancy before. Thanks for pointing that out. I was taught to always have my rods 1/4 inch from pipe on all armovers and ends of line. Even before cpvc made the issue commonplace. I rarely ever saw those hangers with the foot-type thing that covers the end of the rod. They should have been mandated. Lots of damage done to cpvc pipe by sharp rod ends, stiff-rodding, vibration, expansion, etc.... But that is another thread in itself.
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