Fixtures and Trap Sizes
Recommended drain trap sizes for different types of fixtures
Recommended drain trap size for different types of fixtures:
Fixture | Trap Size (in) |
---|---|
Bathtub | 1 1/2 |
Bidet | 1 1/2 |
Dishwasher | 1 1/2 |
Drinking fountain | 1 1/4 |
Floor drain | 2 |
Kitchen sink | 1 1/2 |
Laundry tub | 1 1/2 |
Lavatory | 1 1/4 |
Public toilet | integrated in the fixture |
Shower | 2 |
Toilet | integrated in the fixture |
Urinal | 2 |
Washing machine | 2 |
- 1 in = 25.4 mm