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Screwed Cast Iron Water Fittings

(1)  Screwed cast iron water fittings shall conform to ASME B16.4, “Gray Iron Threaded Fittings: Classes 125 and 250”.

(2)  Screwed cast iron water fittings used in a water system shall be cement-mortar lined or galvanized.

(3)  Screwed cast iron water fittings shall not be used in a drainage system.

Article 7.2.6.5. Ontario Regulation 332/12 Building Code,   O. Reg. 332/12: BUILDING CODE (ontario.ca) © Queen’s Printer for Ontario, 2021.

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