3.3.4 Floor protection - If the floor is made of non- combustible material, no floor protector is required. - If the floor is made of combustible material, a floor protector is required (see table below).
FLOOR PROTECTION*
CANADA
USA
A B C D E F
18" (457 mm) From door opening
16" (406 mm) From door opening
8" (203 mm) From door opening N/A (Canada only) N/A (Canada only) 2” (51 MM) - Note 2
N/A (USA only)
8" (203 mm)
8" (203 mm) – Note 1
N/A (USA only) 74’’ (1880 mm) 43 ¾’’ (1111 mm)
64’’ (1626 mm)
G 30 ¼’’ (769 mm) *Steel with a minimum thickness of 0.015" (0.38 mm) or ceramic tiles sealed together with grout. No protection is required if the unit is installed on a non-combustible floor (ex: concrete). Note 1: The floor protection at the back of the furnace is limited to the furnace’s required clearance (see (A) 3.3 Clearances to combustible material) if such clearance is smaller than 8" (203 mm). Note 2: Only required under the horizontal section of the connector. Must exceed each side of the connector pipe by at least 2" (51 mm).
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