Installation guide

Direct Venting (Two-pipe System)
55
Side Wall Vent Termination (stainless steel or CPVC)
The exhaust vent/air intake system
must terminate so that proper
clearances are maintained as cited in
local codes or the latest edition of the
“Natural Gas and Propane Installation
Code” CAN/CSA-B149.1 (Canada), or
the “National Fuel Gas Code” ANSI
Z223.1 (NFPA 54) (U.S.A.). See pages
20 and 21.
5368 815 v2.0 b
Grade or Snow Level
(see also Vent Riser fig. 48)
10” min.
If less than 10” required
(see (D) in fig. 47)
((D)= min.12”)
Fig. 46
Exhaust vent terminal,
45° or 90°
Intake vent
terminal, 90°
Stainless
steel mesh
Side wall vent termination (front view)
min. 12”
IMPORTANT
Sidewall Vent Termination
min.2”/max.5”
min.6”/max.9”
(see (D) in fig. 46)
(min. 12”)
Fig. 47 Side wall vent termination (side view)
D
Flue
Support
Bracket
Vent
Riser
Caulk
Min. 12”
Max. 36”
Side
Wall
Grade or max. snow level
Attach Termination
Elbow w/ Screen
Fig. 48
Installation of field fabricated vent riser
Vent termination must be at least
12”/300 mm above the anticipated
snow level (consult your local building
authorities or local weather office).
Locate vent termination in such a way
that it cannot be blocked by snow.
WARNING