(1)
Polypropylene pipe and fittings used for hot and cold potable water systems shall conform to CSA B137.11, “Polypropylene (PP-R) pipe and fittings for pressure applications.” (See Note A-7.2.5.14.(1))
Polypropylene pipe and fittings used for hot and cold potable water systems shall conform to CSA B137.11, “Polypropylene (PP-R) pipe and fittings for pressure applications.” (See Note A-7.2.5.14.(1))