A floor drain is installed within a concrete floor slab and connected to a sanitary sewer line with a vent pipe extending upward. A half-inch cold water line supplies the system through a shut-off valve and an access box containing a trap primer valve. A distribution unit routes half-inch primer lines from the valve to maintain the trap seal at the floor drain.
SANITARY SEWER LINE FLOOR SLAB FINISHED FLOOR VENT CW LINE 1/2" CW SHUT-OFF VALVE TRAP PRIMER VALVE DISTRIBUTION UNIT 1/2" PRIMER LINES FLOOR DRAIN WITH TRAP PRIMER SEE SANITARY SEWER PLUMBING DRAWING FOR FLOOR DRAIN LOCATIONS ACCESS
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