
28 Installation
(for qualified installers only)
© Travis Industries
11/9/20 - 1478
PB 72 GSB2/GSR2 Aust.
Minimum Vent Configuration
Use 5x8” Diameter Coaxial Vent
NOTE
: Use the included thimble assembly whenever passing through a wall. (use
on front and back of wall penetration). See picture below.
The termination must fall within the shaded area shown in the chart. Use the
indicated restrictor positions.
One 45° elbow may be used on the horizontal run.
HINT
: Use minimum vent kit “H” (96200332) from Travis Industries (additional vent
may be required).
Use the included wall thimble when
penetrating a wall. Part #96200101
0 feet
0 feet
Exhaust Restrictor # 1 (stock)
Diffuser Closed (stock)
8" Vent
5 feet (1.5 m)
Max. 4' Horizontal Section(s)
Min. 3.9" Horizontal Section
5 feet (1.5 m)
2' Vertical Section Attached Directly to Fireplace