Install Instructions

Installation & Operation Manual
4 Sidewall direct venting (continued)
Figure 4-4A Direct Vent Terminal Clearances
Canadian Installations¹ US Installations²
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 Btuh
(3 kW), 12 in (30 cm) for appliances >
10,000 Btuh (3 kW) and < 100,000 Btuh
(30 kW), 36 in (91 cm) for appliances >
100,000 Btuh (30 kW)
6 in (15 cm) for appliances < 10,000 Btuh
(3 kW), 9 in (23 cm) for appliances >
10,000 Btuh (3 kW) and < 50,000 Btuh (15
kW), 12 in (30 cm) for appliances > 50,000
Btuh (15 kW)
C =
Clearance to permanently closed
window
*
*
D =
Vertical clearance to ventilated soffit
located above the terminal within a
horizontal distance of 2 ft (61 cm) from
the center line of the terminal.
*
*
E = Clearance to unventilated soffit
*
*
F = Clearance to outside corner
*
*
G = Clearance to inside corner
*
*
H =
Clearance to each side of center line
extended above meter / regulator
assembly
3 ft (91 cm) within a height 15 ft (4.6 m)
*
I =
Clearance to service regulator vent
outlet
3 ft (91 cm)
*
Table 4B Direct Vent Terminal Clearances
23