PART 6 — HEATING, VENTILATING AND AIR-CONDITIONINGUpdated for the 2024 Ontario Building Code
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6.4.1.2.Appliances Installed Outside the Building
(1) Fuel-fired appliances installed outside a building shall be
(a) designed and constructed for outdoor use,
(b) installed not less than 1 200 mm from the property line, measured horizontally, and
(c) installed not less than 3 m from an adjacent wall of the same building when such wall contains an opening or
openings within 3 storeys above and 5 m horizontally from the appliance, unless such openings are protected by a
closure assembly having a 45 min fire-protection rating determined in conformance with Article 3.1.8.4., or by
wired glass conforming to Article 3.1.8.14.
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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.