14
INSTALLATION
Minimum Termination Clearances
V
X
= Vent terminal
Legend:
= Air supply inlet
= Air where terminal is not permitted
D
E
C
V
V
V
V
V
V
V
G
X
X
V
V
K
B
Fixed
closed
Inside corner
detail
Fixed
closed
Operable
Operable
B
B
B
F
J
I
M
H
A
A
D
B
Canadian installation
1
US installations
2
A
Clearance above grade,
veranda, porch, deck, or
balcony
12 in (30 cm)
12 in (30 cm)
B
Clearance to window or
door that may be opened
6 in (15 cm) for appliances < 10,000 Btu/h
(3 kW), 12 in (30 cm) for appliances >
10,000 Btu/hr (3 kW) and < 100,000 Btu/h
(30 kW), 36 in (91 cm) for appliances >
100,000 Btu/h (30 kW)
6 in (15 cm) for appliances < 10,000 Btu/h
(3 kW), 9 in (23 cm) for appliances >
10,000 Btu/hr (3 kW) and < 50,000 Btu/h
(15 kW), 12 in (30 cm) for appliances >
50,000 Btu/h (15 kW)
C Clearance to permanently
closed window
*
*
D
Vertical clearance to
ventilated soffit located
above the terminal within a
horizontal distance of 2 feet
(61 cm) from the center line
of the terminal
*
*
