Avalon Firestyles Bed & Breakfast Installation - Manual (Page 28)

28 Installation
(for qualified installers only)
Travis Industries 4140312 100-01305
Rear Vent Configuration with Horizontal Termination
 The termination must fall within the shaded area shown in the chart. Use the indicated restrictor and
diffuser positions.
 Up to four elbows (45° or 90°) may be used.
 Only one horizontal elbow may be used.
 Use 8" diameter vent.
5 feet
10 feet
0 feet
0 feet 5 feet
5 feet
0 feet
0 feet
10 feet
5 feet
10 feet
14' (max)
10 feet
14 feet
(max)
NOTE:
Horizontal sections require a 1/4" rise
every 12" of travel.
14 feet
(max)
14 feet
(max)
NOTE:
Restrictor positions are based upon lab tests.
The ideal restrictor position may vary slightly.
Restrictor Position # 1 (stock)
Diffuser Position # 1 (stock)
Restrictor Position # 1 (stock)
Diffuser Position # 2
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