
Manufactured by Miles Industries Ltd., British Columbia, Canada
15
Rear vent connection, vertical vent rise with
horizontal termination (Fig. 24)
Can be used with either #551DVK standard vent kit or #984
Dura-vent terminal cap and accessories.
Adapter #817VAK, two 90° vent elbows #990B and Dura-
vent pipe lengths will be required.
(See venting options section of this manual).
No more than two 90°elbows must be used.
The location requirements are (See figure 24):-
Minimum Maximum
A
: From floor to top of
vent duct
3ft 7
7
/
8
”
(111cm)
10ft 7
7
/
8
”
(325cm)
B
: Surround front to
outside wall
- 6ft
2”
(188cm)
C
: Surround front to
inside wall
23
1
8
” (59cm)
-
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)
-
Figure 24
5.2.4.
Rear vent connection, vertical vent rise with horizontal snorkel termination
For “semi-basement” situations where snorkel accessory alone does not raise termination sufficiently above ground level.
The dimensional requirements in section
5.2.3 and figure 24 apply.
Adapter #817VAK, two 90° vent elbows
#990B, Dura-vent pipe lengths and a
Dura-vent snorkel termination will be
required.
#942 Dura-vent wall thimble kit may
also be necessary.
(See venting options section of this
manual).
No more than two 90°elbows must be
used.
5.2.5.
Corner location, horizontal
vent run only (Fig. 25)
Can be used with either #551DVK
standard vent kit or #984 Dura-vent
terminal cap and accessories.
Adapter #817VAK and 45° Dura-vent
elbow will be required.
(See venting options section of this
manual).
Figure 25