The Ontario Building Code | Appliances Installed Outside the Building
18.104.22.168. 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 storeysabove and 5 m horizontally from the appliance, unless such openings are protected by a closureassembly having a 45 min fire-protection ratingdetermined in conformance with Article 22.214.171.124., or by wired glass conforming to Article 126.96.36.199.