Appendix; Appendix A: Power Vent Locations - Montigo R520 Installation & Maintenance Manual

R520 & R620 Power Vent Indoor Gas Fireplace

Appendix A: Power Vent Locations

Horizontal
Detail
Location
clearance to the termination frame above grade, veranda, porch, deck, or balcony
A
clearance to top of doors or operable windows
B
C clearance to sides or bottom of door or operable windows
D clearance to permanently closed window when installed with approved gas penetration termination
clearance to permanently closed window Recommended to prevent condensation
E
F clearance to ventilated soffit located within a horizontal distance to 24 inches from centerline
of termination
clearance to unventilated soffit
G
H clearance to outside corner
clearance to inside corner
I
clearance to each side of the vertical centerline of a metre or regulatory assembly to a maximum
J
vertical distance of 15ft
K clearance to service regulator vent outlet
clearance to non mechanical air supply inlet to the building or combustion air inlet to other
L
appliance for appliance <= 100.000 BTU/H (30 KW)
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)
M clearance to forced air supply inlet
N+ clearance above paved sidewalk or paved driveway located on public property
P++ clearance under veranda, porch, deck, or balcony
Q clearance above roof
clearance to adjacent walls and neighboring buildings
R
clearance from corner in recessed location
S
T Maximum depth of recessed location
U Maximum width for back wall of recessed location
V Horizontal clearance between two terminations that are level
Horizontal clearance (centre to centre) between two terminations that are not level
W
* 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.
+ A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and serve both dwellings.
++ Only permitted if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
Page 36

Appendix

V
Vertical Detail
Canada*
30 inches
12 inches
4 feet
0
30 inches
22 inches
30 inches
30 inches
30 inches
3 feet
3 feet
12 inches
6 feet
6 feet 3 feet above air inlet
7 feet
30 inches
2 feet
30 inches
30 inches
48 inches
60 inches
30 inches
30 inches
XG0771 - 040513.3
USA**
30 inches
12 inches
4 feet
0
30 inches
22 inches
30 inches
30 inches
30 inches
3 feet
3 feet
4 feet
4 feet
7 feet
30 inches
2 feet
30 inches
30 inches
48 inches
60 inches
30 inches
30 inches