A floor drain sets flush with the finished floor above a cast-iron no-hub P-trap featuring a one-half inch tap. A one-half inch copper sweat male adapter connects the trap primer piping to the side of the P-trap. No-hub couplings join the drain body, P-trap, and downstream piping typical throughout the assembly.
FD X FINISHED FLOOR NO-HUB COUPLING (TYPICAL) 1/2" TRAP PRIMER PIPING 1/2" CU SWEAT MALE ADAPTER CAST IRON NO-HUB P-TRAP WITH 1/2" TAP
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