A flexible hose assembly connects the sprinkler system branch line to the sprinkler head, which mounts to the suspended ceiling support rails. The hose must maintain a minimum bend radius as specified in the provided hose clearance chart. The sprinkler head secures to the ceiling grid system, which must be installed in accordance with ASTM C635 and C636 standards. The assembly allows for minor adjustments in sprinkler head positioning relative to the ceiling tiles.
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