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The scope of LEC 2009 covers direct-type boiler and chiller fill valve assemblies with integral backflow preventer and system pressure regulator that are used to control the inflow of water into heating and cooling systems to ensure sufficient system pressure. These devices protect the potable water supply against backflow due to backpressure and backsiphonage

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 (or TIL) contains test provisions to measure energy use of variable-speed room ACs during a representative average use cycle and shall be used in conjunction with CSA C368.1-14.

These requirements apply to Photovoltaic Tracker systems intended for outdoor use with photovoltaic modules and panels. These requirements cover electrical shock, fire of the tracker and mechanical loading of the platform. The requirements do not cover the electrical output from the modules or panels.

This Technical Information Letter (or TIL) contains construction, marking and test requirements for face shields intended for use in health care facilities and shall be used in conjunction with CSA Z94.3:20 Eye and Face Protectors.

These requirements cover newly produced/factory built gas-fired packaged boiler assemblies (including heating, hot water supply, and power boilers) having input ratings of more than 117,228 W (400,000 Btu/hr), per individual combustion chamber, and intended primarily for commercial and industrial installations.