Essentials of
Plumbing

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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
FIGURE 40. CONNECTING P-TRAP TO URINAL

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