Appendix A: Power Vent Locations - Montigo H38DF-CLCR Installation & Maintenance Manual

Appendix A: Power Vent Locations
Horizontal
Detail
A = clearance to the termination frame above grade, veranda, porch, deck, or
balcony [30 inches (75 cm) minimum]
B = clearance to door, or sides and top of window, that may be opened [30 inches
(75 cm) minimum for appliances.
C = clearance to bottom of window that may be opened horizontally [36 inches
(92 cm) minimum for appliances.
D = no clearance to permanently closed window when installed with approved
glass penetration termination
E = clearance to permanently closed window [30 inches 75 cm recommended to
prevent condensation on window]
F = vertical clearance to ventilated soffit located above the termination within a
horizontal distance of [30 inches 75 cm] from the centreline of the termination [30
inches (75 cm) minimum]
G = clearance to unventilated soffit [30 inches (75 cm) minimum to non-combustibles]
[30 inches (75 cm) minimum to combustibles]
H = clearance to outside corner [30 inches (75 cm) minimum]
I =
clearance to inside corner [30 inches (75 cm) minimum]
J = * not to be installed above a meter/regulator assembly within
40" (103 cm) horizontally from the centreline of the regulator
K = clearance to service regulator vent outlet [3 feet minimum in the United States]
[*6 feet (1.8 m) minimum in Canada]
L = clearance to non-mechanical air supply inlet to building or the combustion air
inlet to any other appliance [16 inches (41 cm) minimum for appliances ≤100 000
BTU/H (30kW)]
M = clearance to mechanical air supply inlet [*6 feet (1.8 m) minimum]
XG0213 - 020111
Appendix
V
Vertical Detail
N = clearance above paved sidewalk or a paved driveway located on public
†
property [*7 feet (2.1 m) minimum]
P = clearance under veranda, porch, deck, or balcony [30 inches (75 cm) minimum
to non-combustibles] [30 inches (75 cm) minimum
Q = clearance above a roof [18 inches (46 cm) minimum]
R = clearance to adjacent walls and neighboring buildings [30 inches (75 cm)
minimum]
S = clearance from corner in recessed location [30 inches (75 cm) minimum]
T = maximum depth in recessed location [48 inches (122 cm) minimum]
U = minimum width for back wall of recessed location [60 inches (150 cm) minimum]
V = minimum horizontal clearance between the frames of two terminations that
are level, (see applicable Detail).
W = horizontal clearance between the frames of two terminations that are not level.
[30 inches (75 cm) minimum]
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 has an open side that is
‡
equal to or greater than the depth of the enclosed area
*
as specified in CGA B149 Installation Codes. Note: local Codes or Regulations
may require different clearance.
H(L)38DF-CLCR Corner Gas Fireplace
to combustibles]
‡
‡
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