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28 61D0008
OUTSIDE COMBUSTION AIR PRECAUTIONS AND RECOMMENDATIONS
MODEL AK-4 COMBUSTION AIR ASSEMBLY (CONTINUED)
7. If the duct is the insulated type, push the insulation back from one end of
the duct approximately 2". See Figure 35.
8. Slip the exposed end of the duct over the starting collar on the fireplace.
9. Using the sheet metal screws provided, secure the duct end to the collar
attached to the fireplace.
10. Nail or screw the combustion air assembly to the surface of the wall.
Note: If the wall covering is brick or stone, use appropriate masonry
fasteners. Mount combustion air assembly with “TOP’”
upward to prevent cold air from entering through the wall. If
necessary, splice the duct. Use a model 403-duct connector
to splice duct sections.
INSTALLING MODEL 403 DUCT CONNECTOR
1. Push insulation back approximately 2" from the end of each duct.
2. Slip each duct over duct connector until an equal length of connector extends into each duct.
3. Place duck clamp over the end of each duct. Tighten duct clamp down snuggly.
4. Push insulation back into place and over duct clamp.
Figure 35 - Installing Duct
Connector 403
Approximately
2"
Insulation
Duct
Connector
Duct Clamp
GAS APPLIANCE INSTALLATION
To reduce these risks to a minimum, read and follow the following important notices and instructions carefully.
1. The provision for a gas line is intended for connection to a decorative gas appliance which has an automatic shutoff device
and complies with the Standard for Decorative Gas Appliances for Installation in Vented Fireplaces, ANSIZ21.60. If a dec-
orative gas appliance is installed, it must be installed in accordance with the National Fuel Gas Code, ANSIZ223.1.
Improper installation or operation of a gas appliance in this fireplace can allow
unburned gas to leak out which will cause a fire or explosion hazard, or the release
of poisonous carbon monoxide into the dwelling which can cause serious injury or
death to its inhabitants.
DANGER
Continued
Keep fireplace damper fully
opened at all times when
using a decorative VENTED
gas appliance.
WARNING