The Ontario Building Code | Supply and Waste Fittings

7.2.10.6. Supply and Waste Fittings

(1) Supply fittings shall conform to ASME A112.18.1 / CSA B125.1, "Plumbing Supply Fittings" or CSA B125.3, "Plumbing Fittings".

(2) Waste fittings shall conform to ASME A112.18.2 / CSA B125.2, "Plumbing Waste Fittings".