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12 Installation (for qualified installers only)
Travis Industries 4122104 93508117
Approved Venting Configurations with a Horizontal Termination
and Two Elbows (one 90° vertical and one 90° or 45° horizontal elbow)
• If using a Snorkel Termination (14” or 36”) add the snorkel height to the vertical height (snorkel
terminations are used primarily for basement installations).
• The termination must fall within the shaded area shown in the chart. Use the indicated restrictor
position.
5 feet
10' (min)
15 feet
19' (max)
0 feet
5 feet
0 feet
0 feet
5 feet
10' (min)
15 feet
Restrictor
Position # 5
NOTE:
Restrictor positions are based upon lab
tests. The ideal restrictor position may vary
slightly, especially when the termination is
near a demarkation line.
Restrictor
Position # 1
10 feet
15 feet
20 feet
24 ' (max)
0 feet
5 feet
10 feet
15 feet
20 feet
24 ' (max)
19' (max)
NOTE:
Horizontal sections require a 1/4"
rise every 12" of travel.
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 elbows
Horizontal length (max. 24') is calculated
by adding both lengths of horizontal run
(Horizontal Length = H1 + H2).
H1
H2
NATURAL GAS: Min. 2' Section Required
PROPANE (LP): Min. 3' Section Required