The Ontario Building Code | Brass or Bronze Threaded Water Fittings

7.2.7.3. Brass or Bronze Threaded water Fittings

(1) Brass or bronze threaded water fittings shall conform to ASME B16.15, "Cast copper Alloy Threaded Fittings: Classes 125 and 250".

(2) Brass or bronze threaded water fittings shall not be used in a drainage system.