Appliances, Appurtenances, or Fixtures | Minimum Fixture Branch Pipe Size (inches) | Private | Public |
Bathtub or Combination Bath/Shower | 1/2 | 4 | 4 |
3/4? Bathtub Fill Valve | 3/4 | 10 | 10 |
Bidet | 1/2 | 1 | — |
Clothes Washer | 1/2 | 4 | 4 |
Dental Unit, Cuspidor | 1/2 | — | 1 |
Dishwasher, Domestic | 1/2 | 1.5 | 1.5 |
Drinking Fountain or Water Cooler | 1/2 | 0.5 | 0.5 |
Hose Bib | 1/2 | 2.5 | 2.5 |
Hose Bib, Each Additional | 1/2 | 1 | 1 |
Lavatory | 1/2 | 1 | 1 |
Lawn Sprinkler, Each Head | — | 1 | 1 |
Mobile Home, Each (minimum) | — | 12 | — |
Bar Sink | 1/2 | 1 | 2 |
Clinic Faucet Sink | 1/2 | — | 3 |
Clinic Flush meter Valve Sink (with or without faucet) | 1 | — | 8 |
Kitchen Sink, Domestic (with or without a dishwasher) | 1/2 | 1.5 | 1.5 |
Laundry Sink | 1/2 | 1.5 | 1.5 |
Service Sink or Mop Basin | 1/2 | 1.5 | 1.5 |
Washup Sink (each of faucets) | 1/2 | — | 2 |
Shower, Per Head | 1/2 | 2 | 2 |
Urinal, Flush Tank | 1/2 | 2 | 2 |
Wash Fountain (circular spray) | 3/4 | — | 4 |
Water Closet, 1.6 GPF Gravity Tank | 1/2 | 2.5 | 2.5 |
Water Closet, 1.6 GPF Flush meter Tank | 1/2 | 2.5 | 2.5 |
Water Closet, Greater than 1.6 GPF Gravity Tank | 1/2 | 3 | 5.5 |
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