28
Multiple
Family
Dwellings
Vent shall not terminate directly above
paved sidewalk or paved driveway located
between two single-family dwellings serving
both dwellings.
7' (2.1m)
Minimum
3' (0.9m)
Minimum
Termination
Stones,
Balls, Etc.
Position combustion air and vent
termination where it will NOT be damaged by
foreign objects, such as stones, balls, etc.
People or
Pets
Locate combustion air and vent termination to
prevent accidental contact with people or pets.
Eddy, Flue
Gases
Position termination so it will not be
effected by wind eddy, air born leaves,
snow, or recirculated vent gases. Give
consideration to excessive wind and locate
away from windward side of building.
Vapors
Position termination where vent vapors are
not objectionable.
Walkways
Locate vent termination minimum 7'
(2.1m) above any public walkway, with
consideration to condensate.
Meters,
Regulators,
deck, porch
Vent termination US only - 4’ (1.2m),
Canada - 6' (1.9m) horizontally from,
no case above or below, electric meters,
gas meters, regulators, and relief
equipment, or under deck or porch.
Vegetation,
Plants &
Shrubs
Keep vent termination 3’ minimum
(0.9m) away from vegetation. Position
termination where vent vapors will not
damage plants/shrubs or air conditioning
equipment.
FIGURE 6-15
FIGURE 6-16
6 - COMBUSTION AIR AND VENT PIPING
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