A roof-mounted hose bib designated as HB-2 connects to a one-half-inch domestic cold water line featuring a shut-off valve. A vacuum breaker is integrated into the assembly, positioned twelve inches above the roof surface. The supply piping continues below the roof line per the plumbing interstitial plans.
LOSE KEY 1/2" COLD WATER, SEE PLUMBING INSTERSTITIAL PLANS FOR CONTINUATION 12" VACUUM BREAKER ROOF HB-2 1/2" DCW W/ S.O.V.
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