(1) Polyethylene water pipe, tubing and fittings shall be certified to, and have a pressure rating meeting the requirements of, Series 160 or a higher series of CSA B137.1, “Polyethylene (PE) Pipe, Tubing and Fittings for Cold Water Pressure Services”.
(2) Except as permitted in Sentence 7.2.5.7. (1), polyethylene water pipe shall not be used except for a water service pipe.
(3) Butt fusion fittings for polyethylene pipe shall conform to ASTM D3261, “Butt Heat Fusion Polyethylene (PE) Plastic Fittings for Polyethylene (PE) Plastic Pipe and Tubing”.