22
O
UTSIDE
C
OMBUSTION
A
IR
P
RECAUTIONS
& R
ECOMMENDATIONS
NOTICE: Outside air for combustion is optional in residential type installations unless required by
local codes; it is mandatory in manufactured home installations. An AK4 outside combustion air kit is
offered for use in residential type installations. An AK6 outside combustion air kit must be used in
manufactured home installations.
DUCT CLAMP
INSULATION
DUCT
DUCT CONNECTOR
1. Push the insulation back approximatly 2"
from the end of each duct.
2. Slip each duct over the duct connector until
an equal length of the connector extends into
each duct.
3. Place a duct clamp over the end of each duct
and tighten it down snuggly.
4. Push the insulation back into place and over
2"
APPROX.
INSTALLATION OF
DUCT CONNECTOR
F
IGURE
26
SECURE AIR DUCT TO
TERMINATION CAP WITH
CLAMPS OR DUCT TIES.
AIR DUCT
TERMINATION CAP
NAIL HOLES
TO TERMINATION CAP
SECURING OUTSIDE AIR DUCT
HOLE CUT
IN WALL
F
IGURE
25
OUTSIDE
SECURE THE OUTSIDE
AIR DUCT TO THE STARTING
COLLAR WITH CLAMPS OR
DUCT TIES.
STARTING
COLLAR
AIR DUCT
STARTING COLLAR
STEP 1: SECURE OUTSIDE AIR STARTING COLLAR TO SIDE OF
FIREPLACE WITH FOUR SHEET METAL SCREWS PROVIDED.
NOTE: THE STARTING COLLAR EXTENDS THROUGH THE OUTER
FIREPLACE JACKET AND WILL SEAL AGAINST THE FIREBOX WALL
WHEN SECURED AS INDICATED.
LONGER LENGTH OF
THE TUBE TO OUTSIDE.
AGAINST THE FIREBOX WALL.
TO PROPERLY SEAL AGAINST
FIREPLACE OUTER WRAP
OF TUBE THROUGH THE
INSERT SHORTEST LENGTH
OUTSIDE AIR
CONNECTING OUTSIDE AIR STARTING COLLAR AND AIR DUCT TO FIREPLACE
F
IGURE
24
53D9033. Rev 1 03/03