The Ontario Building Code | Water Supply Fittings
7.6.4.1. water Supply Fittings
(1) The flow rates of fittings that supply water to a fixture shall not exceed the maximum flow rates at the test pressures listed for that fitting in Table 7.6.4.1.
Table 7.6.4.1.
Maximum Flow Rates for water Supply Fittings
Forming Part of Sentence 7.6.4.1.(1)
| Item | Column 1 Fitting | Column 2 Maximum Flow, L/min | Column 3 Test pressure, kPa |
| 1. | Lavatory Faucet | 8.35 | 413 |
| 2. | Kitchen Faucet | 8.35 | 413 |
| 3. | shower Heads in residential Occupancy | 7.6 | 550 |
| 4. | shower Heads in Other Occupancies | 9.5 | 550 |
(2) Sentence (1) does not apply to a fixturelocated in a heritage building.
In Plain Language
Water supply fittings, such as faucets and valves, must conform to the standards referenced in this article, ensuring consistent quality and performance.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.