
12
Venting
991 DV GS
Cap (High Wind)
980 DV GS
Cap (Low Pro
fi
le)
923GK DV GS
Chimney Liner Kit
930 DV GS
Extended Cap
923F DV GS
Appliance
Flex Connector
2150 DV GS
Flex Connector
7.3 Vent Installation
IMPORTANT: This appliance’s venting system is room sealed, which means that there should be no
provision to allow room air to be used in the combustion process.
Note: Use only 3”
fl
ex venting materials approved for masonry installations.
Planning Your Vent Installation
This type of direct vent system may only terminate in the following way:
Vertical termination using a
Dura-Vent
3” adapter and cap (see Vent parts list).
There are limitations to the vertical and/or
horizontal lengths (see page 11 for venting
chart).
When calculating the length of the vent
pipe from the outlet of the appliance to
termination, allow for any offsets in the
chase and suf
fi
cient vertical height above
the roof.
Apply RTV sealant to the appliance’s
vent pipe and slide over the air intake
and exhaust pipes.
Secure using the 8 self-tapping screws
provided (4 per
fl
ex pipe).
Slide the unit into the opening, taking
care not to damage the liner (allow
enough slack for
fi
nal surround
assembly).
At the top of the chimney, slide the
connector plate over the 2
fl
ex liners.
Attach the termination cap to the
fl
ex
pipes using the 8 screws provided.
Seal the connector plate to the chimney
(
fi
re cement).
1.
2.
3.
4.
5.
6.
WARNING:
Failure to position the parts in accordance with these
diagrams or failure to use only parts speci
fi
cally approved with
this appliance may result in property damage or personal injury.
Note: Inspect vent connection before
installing the trim surrounds.
Typical components used in shown example.
f i r e - p a r t s . c o m