Vent Termination Locations
Air Supply Inlet
Vent Terminal
Area Where Terminal Is Not Permitted
Vertical Terminal
Vertical Terminal
24”
(610mm)
(From Eave)
24”
(610mm)
D
E
M | H |
| B |
| F |
| J |
G 
A
Fixed Closed
B 
B
C
N
B
K 
A
B | Able To Open |
L
A = Clearance above grade, veranda, porch, deck, or bal- cony (min. 12”/30cm)
B = Clearance to window or door that may be opened (min. 12”/30cm above - 48”/1.2m below and to the side)
C = Clearance to permanently closed window *(min. 12”/30cm)
D = Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of *(min. 24”/60cm) from the centerline of the terminal (min. 22”/55cm) check with local code.
E = Clearance to unventilated soffit *(min. 12”/30cm) F = Clearance to outside corner *(min. 12”/30cm)
G = Clearance to inside corner *(min. 12”/30cm)
H = Not to be installed above a meter/regulator assembly within *(min. 36”/90cm) horizontally from the center- line of the regulator.
J = Clearance to service regulator vent outlet *(min. 72”/1.8m)
K = Clearance to
Figure 9
L = Clearance to a mechanical air supply inlet *(min. 120”/3.1m)
M = **Clearance above paved sidewalk or a paved driveway located on public property *(min. 84”/2.1m)
N = ***Clearance under veranda, porch, deck, or balcony (min. 12”/30cm)
Note:
*Local codes or regulations may require different clear- ances.
**A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and serves both dwellings.
***Only permitted if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE
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