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Figure 2
Horizontal Length
A
=
Clearance above the ground, a veranda, porch, deck,
or balcony - 12 inches (30 cm) minimum.
B
=
Clearance to window or door that may be opened - 9
inches (23 cm) minimum.
D * =
Vertical clearance to ventilated soffit located above the
terminal within a horizontal distance of 2 feet (60 cm)
from the center-line of the terminal - 18 inches (46
cm) minimum.
E *
=
Clearance to unventilated soffit - 12 inches (30 cm)
minimum.
F
=
Clearance to outside corner - 9 inches (23 cm) as
tested.
G
=
Clearance to inside corner - 9 inches (23 cm)as tested.
H• =
Not to be installed above a meter/regulator assembly
within 3 feet (90 cm) horizontally from the center-line
of the regulator.
I
=
Clearance to service regulator vent outlet - 3 feet (90
cm) minimum-United States; 6 feet (1.8 m) min.-
Canada.
2-00
VENTING WITH ONE (1) 90° ELBOW
V (FT.)
2' MIN. (.6 m)
3' MIN. (.9 m)
4' MIN. (1.2 m)
18' MAX. (5.4 m)
Vent termination must not be recessed into the wall or sid-
ing. Figure 3 illustrates termination cap locations and min-
imum dimensions for each termination application. Or, fol-
low ANSI Z223.1, latest edition.
Figure 3
Termination Cap Locations
J
=
K•
=
L + =
M # =
+
#
•
*
10
R-CAST SERIES WALL FURNACE
4' MAX. (1.2 m)
6' MAX. (1.8 m)
8' MAX. (2.4 m)
thru
8' MAX. (2.4 m)
Clearance to non-mechanical air supply inlet to building
or the combustion air inlet to any other appliance - 1 2
inches (30 cm) minimum.
Clearance to mechanical air supply inlet - 6 feet (1.8 m)
m i n i m u m .
Clearance above a paved sidewalk or paved driveway
located on public property - 7 feet (2.1 m) minimum.
Use of a DCS200 will reduce this dimension to as
low as 12 inches (30 cm).
Clearance under veranda, porch deck, or balcony - 1 2
inches (30cm) minimum.
A vent must 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 2 sides beneath the floor.
As specified in Installation Codes. Note: Local
codes or regulations may require different clear-
ances.
30 inches(76cm) minimum distance required for vinyl
soffit materials.
H (FT.)
30750C
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