A sprinkler arm-over piping assembly connects a sprinkler branch or cross main to a concealed sprinkler head located in the center of the ceiling tile. The layout uses sprinkler arm-over piping fitted with a one-inch by one-half-inch reducer just above the sprinkler drop. The concealed sprinkler head is positioned flush with the finished ceiling plane.
CEILING SPRINKLER ARM-OVER PIPING SPRINKLER BRANCH OR CROSS MAIN 1" X 1/2" REDUCER CONCEALED SPRINKLER IN CENTER OF CEILING TILE.
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