Drolet DP00065, Installation And Operation Manual

Page: 20 / 110

Edison Installation and Operation Manual
20
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 (see Section 4.4.1.1: Direct Vent System (2-in-1 Exhaust and
fresh air intake)) shall be located in accordance with the following.
Canada:
Letter
Min.
clearances
Description
A 12’’ (30 cm)
Clearances above grade level or any adjacent surface that might
support snow, ice, or debris
B *
39’’ (100 cm) Clearance to window or door that may be opened
F 39’’ (100 cm) Clearance to corner or adjacent wall
H 39’’ (100 cm)
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
I 72’’ (183 cm)
Clearance to gas service regulator vent outlet or within 39’’ (100 cm) of
an oil tank vent or an oil tank fill inlet
J
39’’ (100 cm) Clearance to the combustion air inlet to any other appliance
K 72’’ (183 cm) Clearance to a mechanical air supply inlet
L 84’’ (213 cm)
Clearance above paved side-walk or a paved driveway located on
public property
39’’ (100 cm) Clearance to property boundary
A vent shall not terminate underneath a veranda, porch, or deck