28 Installation
(for qualified installers only)
© Travis Industries
4140514
100-01374
Vent Configuration: 4x6-5/8” Diameter Vent (Hor. Or Vert. Termination)
Use 4x6-5/8” Diameter Coaxial Vent. Connect a 8” to 6-5/8” reducer directly to the
fireplace (sku 98900165).
NOTE
: The included pipe shield is not required and may be discarded. The included
firestops may be discarded.
The termination must fall within the shaded area shown in the chart. Use the indicated
restrictor positions.
Up to five elbows (45° or 90°) may be used. Only one horizontal elbow may be used.
5 feet (1.5m)
0 feet
0 feet
5 feet (1.5m)
0 feet
20 feet (6m)
20 feet (6m)
5 feet (1.5m)
10 feet (3m)
5 feet (1.5m)
10 feet (3m)
0 feet
15 feet (4.5m)
20 feet (6m)
10 feet (3m)
15 feet (4.5m)
15 feet (4.5m)
20' (6m) max
10 feet (3m)
15 feet (4.5m)
40' (12m) max
25 feet (7.5m)
30 feet (9m)
35 feet (10.5m)
40' (12m) max
25 feet (7.5m)
30 feet (9m)
35 feet (10.5m)
25 feet (7.5m)
30 feet (9m)
35 feet (10.5m)
40 feet (12m)
45 feet (13.5m)
50 feet (15m)
55 feet (16.5m)
60 feet (18m) max
25 feet (7.5m)
30 feet (9m)
35 feet (10.5m)
40 feet (12m)
45 feet (13.5m)
50 feet (15m)
55 feet (16.5m)
60 feet (18m) max
Attach reducer directly to the fireplace.
Intake Restrictor # 2
Exhaust Restrictor # 3
Diffuser Open
Intake Restrictor # 2
Exhaust Restrictor # 4
Diffuser Open
Intake Restrictor # 3
Exhaust Restrictor # 6
Diffuser Open
This is considered a horizontal
elbow (it does not matter
whether it turns right or left).
It may be a 90° or 45° elbow.
This is considered a
vertical elbow
Horizontal length is calculated by adding
both lengths of horizontal run
(Horizontal Length = H1 + H2).
H1
H2
