18
Save These Instructions3-90-775R36_09/15
A. Outside Air Attachment
Outside Air Kit #1-00-774280 (sold separately) must be
usedforattachingoutsideairtotheinsert.Thiskitcontains
a3"stubandgaskettomounttotheframe,andtheoutside
air adapter which secures to the insert body. The outside air
intakeconnectionwillsealtothemountingframe,justlike
theexhaustdoes.Followtheinstructionsincludedinthekit
to ensure proper installation.
1. Make a determination of where you want to draw the
outside air from. Here are a few options.
a. Punch a hole through the rear of the replace and
exteriorwall.Rigidpipeorexpipecouldbeused.
b. Use the chimney or chase as a conduit for outside
air.The exhaust liner must be run the fulllength of
the ue. When creating your steel plate to seal the
damperareaMakeanother3inchholefortheoutside
air pipe. Install a short run of pipe from the mounting
frame through the sealing plate. Then install the
chimneytopextensionkit,item#1-00-674104atthe
top of the chimney. This is slotted to allow fresh air
into the chimney or chase.
2. Secure the outside air supply pipe to the stub on the
mounting frame using a minimum of two fasteners.
3. If running the supply pipe direct, install the outside air
cover weldment #1-10-09542 to keep birds or rodents
from entering the supply pipe.
4. Keeptheintakeaminimumof4feet(1.2m)belowthe
exhausttermination.
The image at left shows the use of the
chimneyforoutsideairsupply.Alsoshown
is the Chimney intake extension on the top
ofthe chimney.It isslotted to allowfresh
airintotheue.Besuretousetheproper
ashingandventcaptopreventrainfrom
enteringthechimneyue.
The image below demonstrates bringing
the outside air in through a hole cut through
therear ofthe replace andexternal wall.
With this method, a screen is necessary to
preventbirdsorrodentsfromentering.
8
Appliance Set-Up
Never draw outside combustion air from:
• Wall,oororceilingcavity
• Enclosed space such as an attic or garage
CAUTION
Outside
AirIntake
Weldment
IntakeStub
StubGasket
Stub Mounting
Bolts
Self-drilling
screws(2)
ContentsofOutsideAirKit