Top Vent Configuration With Horizontal Termination - Travis Industries 21 TRV GSR2 Installation Manual

28

Top Vent Configuration with Horizontal Termination

 The termination must fall within the shaded area shown in the chart. Use the indicated restrictor and
diffuser positions.
 May use 8" or 6-5/8" diameter vent (see page for 25 details).
 Up to four elbows (45° or 90°) may be used with 8" vent.
 Up to two elbows (90°) may be used with 6-5/8" vent.
 Only one horizontal elbow may be used (see illustration at the bottom of the page).
14 feet
(max)
10 feet
5 feet
0 feet
Travis Industries
Installation
Restrictor Position # 1 (stock)
Diffuser Position #1 (stock)
NOTE:
If using 6-5/8" diameter vent, a minimum 12" vertical rise is required.
NOTE:
Horizontal sections require a 1/4" rise every 12" of travel.
NOTE:
Restrictor positions are based upon lab tests. The ideal restrictor position may vary slightly.
This is considered a horizontal
elbow (it does not matter
whether it turns right or left).
It may be a 90° or 45° elbow.
(for qualified installers only)
H2
Horizontal length is calculated by adding
both lengths of horizontal run
(Horizontal Length = H1 + H2).
H1
This is considered a
vertical elbow
4150309
14 feet
(max)
10 feet
5 feet
0 feet
100-01421