IMPORTANT – INSTALLATION & SAFETY NOTICE
Installation by a suitably licensed professional is required.
This product involves roof penetration and flashing and must be installed in accordance with applicable building and plumbing regulations.
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Y Junctions, T Junctions or BTO’s are typically used when you need to split your duct run into two or more. You may use a y junction if you are configuring an exhaust system with multiple intake points, with a large heat transfer kit or a sub floor ventilation point with more than one intake.