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When manufacturer's instructions do not specify clearances for a factory built chimney, what can an installer refer to?

  1. Local Fire Code

  2. Ontario Building Code

  3. Gas Installation Guidelines

  4. Safety Inspection Manual

The correct answer is: Ontario Building Code

When manufacturer's instructions do not specify clearances for a factory-built chimney, the Ontario Building Code serves as a crucial reference. This code encompasses regulations and guidelines pertaining to the construction and installation of building systems in Ontario, including the installation of chimneys and venting systems. It establishes minimum safety standards aimed at ensuring proper clearances to reduce fire hazards and ensure effective venting of exhaust gases. Furthermore, while various documents such as local fire codes or gas installation guidelines may provide useful information, the Ontario Building Code is particularly authoritative and comprehensive regarding building safety and installation practices, making it the most suitable reference when specific manufacturer instructions are lacking. This ensures that installations comply with legal requirements and safety standards essential for both structural integrity and user safety.