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.