Cast Iron Frames, Covers, Drainage and Vent Pipe and Fittings
Cast Iron Frames, Covers, Drainage and Vent Pipe and Fittings (1) Drainage piping, vent piping and fittings made of cast iron shall be certified to CAN/CSA-B70, “Cast Iron Soil Pipe, Fittings and Means of Joining”. (2) Cast iron soil pipe and fittings shall not be used in a water system. (3) Cast iron frames and covers for maintenance […]
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