18 |
P a g e
VENT TERMINATION CLEARANCES
^
Vent shall not terminate directly above a sidewalk or paved driveway, located between two single family dwellings, serving both dwellings.
**
Only permitted if veranda, porch, deck, or balcony is fully open on a minimum of 2 sides beneath the door.
*
Clearance in accordance with local installation codes and the requirements of the gas supplier.
*
As specified in CGA B149 Installation Codes, note local Codes or Regulation may require different clearances.
*
For U.S.A. Installations follow the current National Fuel Gas Code, ANSI Z223.1
***
Horizontal vent termination minimum clearance to adjacent structure or fence is 48”.
****
Minimum 24” horizontal clearance to any surface (such as an exterior wall) for vertical terminations
.
A
^
12 inches (30 cm) min.
Clearances above grade, veranda, porch, deck, or balcony
B
**
12 inches (30 cm) min.
Clearance to window or door that may be opened
C
12 inches (30 cm) min.
Clearance to permanently closed window recommended to prevent
condensation on window
D
24
inches (76 cm) min. for Flare units 80”
and 100”
18
inches (46 cm) min. for Flare units 70”
and below (vinyl surfaces require 24 inches
(61 cm) min.)
Vertical clearance to ventilated soffit located above the terminal within
a horizontal distance of 2 feet (60 cm) from the edge of the terminal
E
24
inches (76 cm) min. for Flare units 80”
and 100”
18
inches (46 cm) min. for Flare units 70”
and below (vinyl surfaces require 24 inches
(61 cm) min.)
Clearance to unventilated soffit.
F
6 inches (15 cm) min.
Clearance to outside corner
G
6 inches (15 cm) min.
Clearance to inside corner
H
3 feet (90 cm) min.
*
Not to be installed above a meter/regulator assembly within 3 feet (90 cm)
horizontally from the centerline of the regulator
I
3 feet (90 cm) min.
Clearance to service regulator vent outlet
J
*
12 inches (30 cm) min.
Clearance to non-mechanical air supply inlet to building or the combustion air
inlet to any other appliance
K
*
6 feet (1.8 m) min.
Clearance to a mechanical air supply inlet
L
***
7 feet (2.1 m) min.
Clearance above paved sidewalk or a paved driveway located on public
property
M
****
20 inches (51 cm) min.
Clearance under veranda, porch, deck, or balcony
Summary of Contents for CLASS 2901 04
Page 8: ...8 P a g e VERTICAL END OF LINE POWER VENT DRAWING ROOF Exhaust Outlet 110V AC Cable...
Page 9: ...9 P a g e...
Page 15: ...15 P a g e 3 Place the 5 Inch Male Adapter in place and tighten down screws to secure to unit...
Page 21: ...21 P a g e Fireplace Board PV cable Power Vent 4 wire cable Power Vent SK Power example...
