Would a hanger be required on an armover such as described below? System has 150 static, so the 12" rule comes into play (pendant head in ceiling...). center of tile job has a 10" armover piece of 1" coming off of the branchline (no hanger). >From there, swing joint 90's and 10" of pipe w/ 90 down to head (also-no >hanger). I feel a hanger is required. Any opinions?
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