Quadra-Fire • SAPH-MBK-IPI, SAPH-D-PMH-IPI, SAPH-D-MBK-IPI, SAPH-D-CSB-IPI Installation Manual • 2343-980_R8 • 11/14
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G. Vent Diagrams
to replace the first 90º starter elbow with two 45º elbows,
refer to Figure 4.7. all other 90º elbows can be replaced
with two 45º elbows.
general Rules:
• SUBtRaCt 3 ft. from the total h measurement for each
90º elbow installed horizontally.
• SUBtRaCt 1 ft. from the total h measurement for each
45º elbow installed horizontally.
• a maximum of three 90º elbows (or six 45º elbows) may
be used in any vent configuration. Some elbows may be
installed horizontally. See specific vent diagrams.
• When penetrating a combustible wall, a wall shield firestop
must be installed.
• When penetrating a combustible ceiling, a ceiling firestop
must be installed.
top Vent—horizontal termination—two 45º elbows
Installation requirements to replace the first 90º elbow
with two 45º elbows:
4 ft min.
(1.22 m)
Figure 4.7
Figure 4.6
F. Venting Guidelines for Horizontal Runs
Max horizontal Run,
Rear Vent (No Rise)
14 in. (356 mm)
Snorkel kit and derating ori-
fice must be used. See Figure
4.6.
Max horizontal Run
14 ft (4.3 m) when vertical rise
is 10 ft (3m)
Max horizontal Run
Rear Vent with 45
o
Elbow (no rise)
14 in. (356 mm)
Snorkel kit and derating ori-
fice must be used. See Figure
4.6.
Rear Vent with Vertical
rise
Min of 2 ft vertical (610 mm)
must be used prior to any
horizontal run. derating orifice
must be used.
horizontal Run requires a 1/4 in. (6mm) rise for every
1 ft toward the termination.
horizontal Run requires a non-combustible support
every 3 ft (914 mm), i.e., plumbing tape
a vent run off the top of the appliance with more than
one
90º elbow or two 45º elbows must have a mini
-
mum vertical of 2 feet.
CL
Snorkel Kit