Page 19
L52DF(O)-ST See-thru Gas Fireplace
Part No. XG0711
f i r e f e a t u r
Appendix A - Termination Locations
A = clearance to the termination frame above grade, veranda, porch, deck,
or balcony [16 inches (41 cm) minimum]
B = clearance to door, or sides and top of window, that may be opened [16
inches (41 cm) minimum for appliances ≤100 000 BTU/H (30kW)]
C = clearance to bottom of window that may be opened horizontally [36 inches
(92 cm) minimum for appliances ≤100 000 BTU/H (30kW)]
D = no clearance to permanently closed window when installed with approved
glass penetration termination
E = clearance to permanently closed window [16 inches 41 cm recommended
to prevent condensation on window]
F = vertical clearance to ventilated soft located above the termination within a
horizontal distance of 2 feet (61 cm) from the centreline of the termination
[22 inches (56 cm) minimum]
G = c l e a r a n c e t o u n v e n t i l a t e d s o f f i t [ 1 6 i n c h e s
( 4 1 c m ) m i n i m u m t o n o n - c o m b u s t i b l e s ]
[22 inches (56 cm) minimum to combustibles]
H = clearance to outside corner [9 inches (23 cm) minimum]
I = clearance to inside corner [12 inches (31 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]
N =
†
clearance above paved sidewalk or a paved driveway located on public
property [*7 feet (2.1 m) minimum]
P = c le ar a nc e u n de r v e ra nd a , p or c h , de c k , or b a l co n y
[1 6 i n c h e s (4 1 cm ) mi ni mu m
‡
to n on -c om bu s t i b l es ]
[22 inches (56 cm) minimum
‡
to combustibles]
Q = clearance above a roof [24 inches (61 cm) minimum]
R = clearance to adjacent walls and neighboring buildings
[18 inches (46 cm) minimum]
S = c l e a r a n c e f r o m c o r n e r i n r e c e s s e d l o c a t i o n
[12 inches (31 cm) minimum]
T = m a x i m u m d e p t h i n r e c e s s e d l o c a t i o n
[48 inches (122 cm) minimum]
U = m i n im u m w id t h f or b a c k w al l of re ce s se d l o c a ti o n
[24 inches (61 cm) minimum]
V = no horizontal clearance between the frames of two terminations that
are level.
W = horizontal clearance between the frames of two terminations that are
not level. [36 inches (92 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 specied in CGA B149 Installation Codes. Note: local Codes or
Regulations may require different clearance.
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