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Fig 5: Side wall exit locations for mechanical draft vent terminals
SOFFIT
VENT HOOD
7’ MINIMUM ABOVE
PUBLIC WALKWAY
ONE FOOT
ABOVE GRADE
3’ ABOVE ANY FORCED
AIR INLET WITHIN 10’
4’ MIN
1’ MIN
4’ MIN
4’ MIN
4’ MIN
1’ MIN
VENT HOOD MUST BE
MOUNTED FOUR FEET AWAY
FROM DOORS AND WINDOWS
VENT HOOD MUST
BE MOUNTED FOUR FEET MINIMUM
BELOW WINDOWS
VENT HOOD MUST
BE MOUNTED ONE FOOT MINIMUM
ABOVE DOORS AND WINDOWS
The approved vent terminal must be installed so that flue gases will not jeopardize people, overheat combustible structures
or enter into buildings, and so that proper clearances are maintained (See Fig 5).
a) The vent terminal shall not be less than 7 feet above a public walkway.
b) The vent terminal shall terminate at least 3 feet above any (mechanical) air inlet within 10 feet.
c) The vent terminal shall not be within a 6-foot radius from a gas meter or regulator.
d) The vent terminal shall be a minimum of 6 feet from any combustion air inlet.
e) The vent terminal shall terminate from an opening window, at least 4 feet below or 4 feet horizontally from the
opening.
f) The vent terminal shall terminate from a door, at least 1 foot above and 4 feet horizontally from the door.
g) The vent terminal shall not be less than 3 feet from an adjacent building.
h) The vent terminal shall not be less than 1 foot above grade.