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4.2.3 Rear vent connection, vertical vent rise with
horizontal termination (Fig. 9)
Can be used with either #551DVK standard vent kit or 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
A: From floor to top of
vent duct
B: Back of appliance
to outside wall
C: Back of appliance
to inside wall
D: Vertical pipe run
12in (30cm)
E: Horizontal pipe run
(Total before and after
elbows)
F: Clearance to
combustible materials
above horizontal pipe
run
G: Clearance to
combustible materials
below horizontal pipe
run
H: Clearance to
combustible materials
all round vertical pipe
run and at sides of
horizontal pipe run
4.2.4 Rear vent connection, vertical vent rise with horizontal snorkel termination
For "semi-basement" situations where vertical vent rise does not raise horizontal termination sufficiently above ground level.
The dimensional requirements in section 4.2.3 and figure 9 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.
4.2.5 Corner location, horizontal
vent run only (Fig. 10)
Can be used with either #551DVK standard
vent kit or another terminal cap and
accessories.
Adapter #817VAK and 45° elbow will be
required.
(See venting options section of this manual).
Be aware of the limited maximum vent pipe
length and wall depth for this type of
installation – See figure 10.
Maximum
3ft 7in
10ft 7in
(109cm)
(323cm)
-
5ft 5in
(165cm)
1
14
/
in
-
8
(36cm)
8ft (244cm)
-
4ft 6in
(137cm)
5
2
/
in
-
8
(6.7cm)
5
1
/
in
-
16
(3.3cm)
5
1
/
in
-
16
(3.3cm)
Figure 10
Figure 9
11 of 50
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