Direct Venting (Two-pipe System)
50
Side Wall Vent Termination (stainless steel or CPVC)
Side wall vent termination
(front view)
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
19 and 20.
Side wall vent termination
(side view)
Installation of field fabricated vent riser
5
2
8
5
2
6
8
v
3
.8
min. 12” Grade or Snow Level
(See also Vent Riser Fig. 43)
10” min
If less than 10” required see Dim (D) in Fig. 42
(D)= min 12”
Fig. 41
Exhaust vent
terminal, 45°
Intake vent
terminal, 90°
Stainless
steel mesh
IMPORTANT
Sidewall Vent Termination
min. 2” / max. 5”
min. 6” / max. 9”
see (D) in Fig. 41
Fig. 42
Support
Bracket
Vent
Riser
Caulk
Min. 12”
Max. 36”
Side
Wall
Grade or max snow level
Attach Termination
Elbow w/ Screen
Fig. 43
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
Содержание Vitodens 100-W WB1A-24
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