OUTSIDE COMBUSTION AIR PRECAUTIONS & RECOMMENDATIONS
NOTE: The use of outside air for combustion is optional unless required by building codes. It is only necessary to supply outside combustion air to one side of the fireplace. Use the model AK4 combustion air kit.
FIGURE 24
INSULATION RING
INSERT SHORTEST SIDE OF THE TUBE THROUGH THE FIREPLACE OUTER WRAP TO PROPERLY SEAL AGAINST FIREBOX WALL AND GASKET.
SECURING OUTSIDE AIR STARTING COLLAR TO FIREPLACE
LONGER LENGTH OF THE
TUBE TO OUTSIDE.
STEP 1: SECURE OUTSIDE AIR STARTING COLLAR TO LEFT 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.
STEP 2: SECURE OUTSIDE DUCT TO STARTING COLLAR WITH DUCT CLAMP OR SCREWS.
FIGURE 25 | FIGURE 26 |
SCREWS
5" DIA. HOLE FOR AK4
COMBUSTION AIR ASSEMBLY
FOR MODEL NO. AK4
2" APP.
NAIL | DUCT |
HOLES |
|
INSULATION
DUCT CONNECTOR
DUCT CLAMP
INSTALLATION OF THE MODEL 403 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
the duct clamp.
22
53D9032. Rev 1 03/03
