Vertical Venting - Roberts Gorden Vantage HE-40 Installation, Operation & Service Manual

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VA N TA G E
VERTICAL VENTING (See Figure 24)
a) In the United States: Refer to NFPA-54/ANSI-Z223.1 -
latest revision, National Fuel Gas Code, for proper vent
sizes and installation.
b) In Canada: Refer to CAN/CGA B149.1 and B149.2:
Installation Codes for Gas Burning Appliances, for
proper vent sizes and installation.
c) Type "B" vent materials must be used outdoors.
d) An insulating thimble may be required to pass through
combustible structures.
e) 4" (10 cm) O.D. vent pipe, maximum 45 ft.
(13.7 m) in length may be used as shown above with
an approved vent cap.
I N S TA L L AT I O N M A N U A L
4" Type "B" vent cap
(P/N 90502300)
4" Type "B"
vent pipe
Roof flashing
4" Single wall pipe
Vent adapter
Figure 24. Vertical Venting Configuration
-
R O B E R T S G O R D O N
18" min.
Approved thimble
(if applicable)