Essentials of Plumbing

CONNECTING P-TRAPS TO URINALS

A urinal's waste connection is from the tailpiece to the rough-in plumbing. The connection is made by using a U-shaped trap, a drainpipe with a curved end, rubber washers, and slip nuts. Use the following steps to connect the urinal's P-trap (see Figure 40):

FIGURE 40. CONNECTING P-TRAP TO URINAL

Slide escutcheon, slip nut, and rubber washer over the straight end of the drainpipe.
Slide straight end of drainpipe into rough-in plumbing.
Fasten slip nut hand-tight to rough-in plumbing.
Slide slip nut and then rubber washers over curved end of drainpipe and tailpiece.
Slide trap's lowest end onto drainpipe and highest end onto tailpiece.
Fasten slip nuts hand-tight on trap.
Line up the connections, and tighten all slip nuts.
Slide escutcheon against the wall.