Water supply fixture units (WSFU) for typical non-potable applications
Water supply fixture units (WSFU) for typical non-potable applications.1
Link to this table
| Appliances, appurtenances, or fixtures | Minimum fixture branch pipe size (inches) | Water supply fixture units (WSFU) | ||
|---|---|---|---|---|
| Private | Public | Assembly | ||
| Clothes washer | 1/2 | 4.0 | 4.0 | |
| Dishwasher, domestic | 1/2 | 1.5 | 1.5 | |
| Hose Bibb | 1/2 | 2.5 | 2.5 | |
| Lawn sprinkler, each head | 1/2 | 1.0 | 1.0 | |
| Urinal, 1.0 gpf2 flushometer valve | 3/4 | 3.0 | 4.0 | 5.0 |
| Urinal, > 1.0 gpf flushometer valve | 3/4 | 3.0 | 4.0 | 5.0 |
| Urinal, flush tank | 1/2 | 4.0 | 5.0 | 6.0 |
| Toilet, 1.6 gpf gravity tank | 1/2 | 2.5 | 2.5 | 3.5 |
| Toilet, 1.6 gpf Flushometer tank | 1/2 | 2.5 | 2.5 | 3.5 |
| Toilet, 1.6 gpf flushometer valve | 1 | 5.0 | 5.0 | 8.0 |
| Toilet, > 1.6 gpf gravity tank | 1/2 | 3.0 | 5.5 | 7.0 |
| Toilet, > 1.6 gpf flushometer valve | 1 | 7.0 | 8.0 | 10.0 |
1Values excerpted from Table 1 2.1, Minnesota Plumbing Code (2015) Appendix A.
2 gpf = gallons per flush
This page was last edited on 4 August 2022, at 20:55.