Mendota FV46 - Page 41

85-03-01108 FV46 Page 41
Exterior Vent Locations and Restrictions
Note: All measurements are to be taken from the center of the vent cap.
∨ - Vent Terminal ∧ - Air Supply Inlet ≡ - Area where terminal is not permitted
A
=
Clearance above grade, veranda, porch, deck,
or balcony (*12 inches (30 cm) minimum).
Vinyl surfaces require 24” min.
H
=
*Not to be installed above a meter/regulator
assembly within 3 feet (90 cm) horizontally from the
center-line of the regulator
B
=
Clearance to window or door that may be
opened
(*12 inches (30 cm) minimum.
I = *Clearance to service regulator vent outlet *3 feet (92
cm) minimum.
C
=
*Clearance to permanently closed window
(minimum 12 inches (30 cm) recommended to
prevent condensation on window)
J =
*Clearance to non-mechanical air supply inlet to
building or the combustion air inlet to any other
appliance.
12 inches (30 cm) minimum.
D
=
*Vertical clearance to ventilated soffit located
above the terminal from the center-line of the
terminal 18” (45 cm) min. Minimum 24” (60
cm to Vinyl Soffit)
K
=
*Clearance to mechanical air supply inlet 6 feet (1.8
m) minimum
E
=
*Clearance to unventilated soffit 18” min (45
cm) min. Minimum 24” (60 cm to Vinyl Soffit)
L = † Clearance above paved side-walk or a paved
driveway located on public property (*7 feet (2.1 m)
minimum)
F
=
Clearance to outside corner - 7 inches (18
cm).
M
=
Clearance under veranda, porch, deck, or balcony
(*12 inches (30 cm) minimum ‡)
G
=
Clearance to inside corner - 12 inches (30 cm).
Vinyl surfaces require 24” min (60 cm).
N= Minimum 24” horizontal clearance to any surface,
such as an exterior surface, for vertical terminations.