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4.4.1 Permitted Termination Location
Refer to NFPA 211 (USA) or CSA B365 (Canada) for rules for the distance of exit terminal from
windows and openings. The exit terminal of a mechanical draft system, other than a direct vent
appliance shall be located in accordance with the following.
Canada:
Min.
Letter
clearances
A
12" (30 cm)
B
39" (100 cm)
F
39" (100 cm)
H
39" (100 cm)
I
72" (183 cm)
J
39" (100 cm)
K
72" (183 cm)
L
84" (213 cm)
39" (100 cm)
18
Clearances above grade level or any adjacent surface that might support
snow, ice, or debris.
Clearance to window or door that may be opened.
Clearance to corner or adjacent wall.
Not to be installed above a meter/regulator assembly within 39" (100
cm) horizontally from the vertical center-line of the regulator and for
15' vertically.
Clearance to gas service regulator vent outlet or within 39'' (100 cm) of
an oil tank vent or an oil tank fill inlet.
Clearance to the combustion air inlet to any other appliance.
Clearance to a mechanical air supply inlet.
Clearance above paved side-walk or a paved driveway located on public
property.
Clearance to property boundary.
A vent shall not terminate underneath a veranda, porch, or deck.
Description
Cambridge Pellet Stove Installation and Operation Manual
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