Pennsylvania Statutes Title 53 P.S. Municipal and Quasi-Municipal Corporations § 4629. Size of horizontal and vertical waste-pipe traps and branches

1-1 1/4 Trap

permitted on 1 1/4

Waste Pipe.

2-1 1/2 ″,

or equivalent,

permitted on 1 1/2

″ ″.

3 to 8-1 1/2 ″,

″ ″,

″ ″ 2

″ ″.

9 to 20-1 1/2 ″,

″ ″,

″ ″ 2 1/2

″ ″.

21 to 44-1 1/2 Trap,

or equivalent,

permitted on 3

Waste Pipe.

Water-closet,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

3

4 3

Slop sink with trap combined,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

3

3

Slop sink ordinary,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

2

2

Pedestal urinal,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

3

3

Stall urinals,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

2-4

  2-4

Wall urinals,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

1 1/2.2.3

  2.3

Floor drain or wash,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

3.4

  3.4

Yard drain or catch basin,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

4

4

Laundry trays (2 or 5),․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

1 1/2.2

2

Combination sink and tray (for each fixture),․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

1 1/2

2

Kitchen sinks (small) for dwellings,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

1 1/2

1 1/2

Kitchen sinks (large), hotels, restaurants, grease trap,․․․․․․․․․․․․․․․․․․․․․․․․

2

2

Pantry sinks,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

1 1/2

1 1/2

Wash basin, one only,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

1 1/4

1 1/4

Bath tubs 4x8 inches, drum trap,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

1 1/2

  P. or Running trap,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

1 1/2

1 1/2

Shower baths over bath tub,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

1 1/2

1 1/2

Shower baths (floor),․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

2

2

Sitz baths,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

1 1/2

1 1/2

Drinking fountains,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

1 1/4

1 1/4

Dental Cuspidor 4x8, Drum, P or Running trap,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

1 1/2

1 1/2

Dish Washers motor driven,․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

2

2