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This Technical Information Letter (TIL) contains construction, marking and test requirements for Type 1 mechanical couplings in sizes 14, 16 and 18 NPS used for drain, waste and vent pipe and for sewer pipe. Note: The use of the products certified under this program should be confirmed with the local plumbing code or authorities having jurisdiction.

This Technical Information Letter (TIL) contains construction, marking and test requirements for drain, waste, and vent (DWV) Push-Fit fittings in sizes 1½, 2, 3, 4, and 6 NPS used for drain, waste and vent pipe. Note: The use of the products certified under this program should be confirmed with the local plumbing code or authorities having jurisdiction.

This Technical Information Letter (T.I.L.) has been prepared to amend the calculation periods for low temperature ventilation performance and low temperature thermal performance tests from 12 hours to 60 hours described in CAN/CSA C439-09 (reaffirmed 2014). This is done in order to harmonize with Canadian Energy Star program requirements for HRVs version 2.0 developed by Natural Resources of…

TIL designed to be used in accordance with CSA Standard B355