A one-half inch trap primer piping run connects from the lavatory sink assembly in the wall chase down to the floor drain P-trap below the concrete slab. The connection utilizes a slip joint at the lavatory and a flexible primer tube routing to the trap. A cleanout plug is provided at the bottom of the P-trap assembly. The supply piping is sloped from the fixture down to the trap primer connection at the floor drain.
FLOOR DRAIN WITH P-TRAP LAV/SINK 1/2" PIPING LOCATED BELOW FLOOR AND SLOPED TO TRAP PRIMER CONNECTION AT FLOOR DRAIN/TRAP 1/2" PIPING IN WALL/CHASE SLIP JOINT FLEXIBLE PRIMER TUBE CLEAN OUT PLUG FINISHED WALL
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