Montigo H38DF - Manual (Page 37)

Page 37 XG0147 - 150204.1
H*38DF Gas Fireplace
Appendix
Appendix A: Venting Terminations
Location Canada* USA**
A clearance to the termination frame above grade, veranda, porch, deck, or balcony 12 inches 12 inches
B clearance to top of doors or operable windows 12 inches 12 inches
C clearance to sides or bottom of door or operable windows 9 inches 12 inches
D clearance to permanently closed window when installed with approved glass penetration termination 0 0
E clearance to permanently closed window Recommended to prevent condensation 16 inches 16 inches
F clearance to ventilated soffit located within a horizontal distance to 24 inches from centerline
of termination 22 inches 22 inches
G clearance to unventilated soffit 30 inches to combustibles
16 inches to non-combustibles
30 inches to combustibles
16 inches to non-combustibles
H clearance to outside corner 9 inches 9 inches
I clearance to inside corner 12 inches 12 inches
J clearance to each side of the vertical centerline of a metre or regulatory assembly to a maximum
vertical distance of 15ft
3 feet 3 feet
K clearance to service regulator vent outlet 3 feet 3 feet
L clearance to non mechanical air supply inlet to the building or combustion air inlet to other
appliance for appliance <= 100.000 BTU/H (30 KW) 12 inches 12 inches
M clearance to forced air supply inlet 6 feet 3 feet above air inlet
N clearance above paved sidewalk or paved driveway located on public property 7 feet 7 feet
P clearance under veranda, porch, deck, or balcony 22 inches to combustibles
16 inches to non-combustibles
22 inches to combustibles
16 inches to non-combustibles
Q clearance above roof 2 feet 2 feet
R clearance to adjacent walls and neighboring buildings 2 feet 18 inches
S clearance from corner in recessed location 12 inches 12 inches
T Maximum depth of recessed location 4 feet 4 feet
U Maximum width for back wall of recessed location 2 feet 2 feet
V Horizontal clearance between two terminations that are level 0 0
W Horizontal clearance (centre to centre) between two terminations that are not level 18 inches 18 inches
Note 1: For N a vent shall not terminate directly above the sidewalk or paved driveway which is located between two single family dwellings and serve both dwelling.
Note 2: For P only permitted if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor
Note 3: For J, K, and as specified in CGA B149 installation code. Local codes or regulations may vary.
* Based on CGA B149.1 Natural Gas and Propane installation code. Local codes may vary, please check with local regulatory agency.
** Based on ANSI Z223.1/NFPA 54 National Fuel Gas Code. Local codes may vary, please check with local regulatory agency.