Adjustable Length - DuraVent DuraSeal DS Manual

ADJUSTABLE LENGTH

For installations that requires non-standard vent lengths,
(AL) should be used.
The part consists of an inner conduit that slips into the downstream part and over the
upstream part, a collar holds the conduit in place and an outer shell (for double wall
only). See figure 11 for installation steps.
Note: The inner conduit may be cut to desired length to limit interference with down-
stream part.
DuraSeal DS
1. Keep a play about
1/8" to 1/4" to
allow thermal
expansion
2. Apply a 1/8" to 1/4"
bead (may vary) of
Viton caulking to fill
the gap between the
adjustable length
inner wall and
the female end of
the standard part.
Please allow 24-36
hours for Viton to
cure."
DuraSeal DSD
1. Keep a play about
1/8" to 1/4" to
allow thermal
expansion
2. Apply a 1/8" to 1/4"
bead (may vary) of
Viton caulking to fill
the gap between the
adjustable length
inner wall and
the female end of
the standard part.
Please allow 24-36
hours for Viton to
cure.
4. Install the outer shell over end of
downstream part and under the
end of upstream part and tighten
the clamps. Need to cut outer
shell to correct length.
Figure 11 - Adjustable length installation steps
®
DuraSeal
Adjustable Length
3. Slide the collar
down over the
female end of the
downstream part
and tighten the
collar
3. Slide the collar
down over the
female end of the
downstream part
and tighten the
clamp
ADJUSTABLE LENGTH DS/DSD CAULKING REQUIREMENT
Inside diameter
3"
4"
5"
6"
7"
8"
9"
10"
12"
14"
16"
18"
20"
22"
24"
Table 10
Qty (oz)
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.2
1.4
1.5
1.7
1.9
2.1
13