Code Library › Volume 1 › Section 6.4 — Heating Appliances

PART 6 — HEATING, VENTILATING AND AIR-CONDITIONINGUpdated for the 2024 Ontario Building Code

6.4.2.1.Clearances

(1) Every unit heater using either steam or hot water as the heating medium shall be installed such that the clearances
  between the appliance and adjacent combustible material conform to Table 6.7.1.2.

This provision includes a table — formatting is preserved from the source; refer to the official code for the authoritative layout.

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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.