20 of 50
5.5.3
Rear vent connection, vertical vent rise
with horizontal termination (all fronts)
(Fig. 30)
Can be used with either #551DVK standard vent kit another
terminal cap and accessories.
Adapter #817VAK, two 90° vent elbows and pipe lengths
will be required.
(See venting options section of this manual).
No more than two 90°elbows must be used.
Minimum Maximum
A
: From floor to top of
vent duct
3ft 7
7
/
8
”
(111cm)
10ft 7
7
/
8
”
(325cm)
D
: Vertical pipe run
12in (30cm)
8ft (244cm)
E
: Horizontal pipe run
(Total before and after
elbows)
- 4ft
6in
(137cm)
F
: Clearance to
combustible materials
above horizontal pipe
run
2
5
/
8
” (6.7cm)
-
G
: Clearance to
combustible materials
below horizontal pipe
run
1
5
/
16
” (3.3cm)
-
H
: Clearance to
combustible materials
all round vertical pipe
run and at sides of
horizontal pipe run
1
5
/
16
” (3.3cm)
-
5.5.4
Rear vent connection, vertical vent rise with horizontal snorkel termination ( all fronts)
For “semi-basement” situations where snorkel accessory alone does not raise termination sufficiently above ground level.
The dimensional requirements in section 5.5.3 and figure 30 apply.
Adapter #817VAK, two 90° vent
elbows, pipe lengths and a snorkel
termination will be required.
A wall thimble kit may also be
necessary.
(See venting options section of this
manual).
No more than two 90°elbows must be
used.
5.5.5
Corner location,
horizontal vent run only,
(all fronts) (Fig. 31)
Can be used with either #551DVK
standard vent kit another terminal cap
and accessories.
Adapter #817VAK and 45° elbow will
be required.
(See venting options section of this
manual).
Figure 30
Figure 31
