Specifications

27
VENT TERMINATION LOCATIONS
Letter Minimum Clearance Description
A 24" (60 cm) Above grass, top of plants wood, or any other
combustible material.
B 48" (122 cm) From beside/below any door or window that may be
opened.
C 24" (60 cm) From any door or window that may be opened.
D 24" (60 cm) To any adjacent building, fence and protruding parts
of the structure.
E 24" (60 cm) Below any eave or roof overhang.
F 12" (30 cm) To outside corner.
G 12" (30 cm) To inside corner, combustible wall.
H 3' (91 cm) within a height of 15' (4.5 m)
above the meter/regulator assembly
To each side of center line extended above natural
gas or propane meter/regulator assembly or
mechanical vent.
I 3' (91 cm) From any forced air intake or other appliance.
J 12" (30 cm) Clearance to non-mechanical air supply inlet to
building, or the combustion air inlet to any appliance.
K 24" (60 cm) Clearance above roof line for vertical terminations.
L 7' (2.13 m) Clearance above paved sidewalk or paved driveway
located on public property.
Figure 21