Securing And Leveling The Appliance; Installing Optional Outside Air Kit(S) - Heatilator LEGACY42-IFT Installation Manual

B. Securing and Leveling the Appliance
WARNING! Risk of Fire! Prevent contact with:
• Sagging or loose insulation
• Insulation backing or plastic
• Framing and other combustible materials
Block openings into the chase to prevent entry of blown-
in insulation. Make sure insulation and other materials
are secured.
DO NOT notch the framing around the appliance
standoffs.
Failure to maintain air space clearance could cause
overheating and fire.
The diagram shows how to properly position and secure
the appliance. See Figure 6.6. Nailing tabs are provided
to secure the appliance to the framing members.
• Bend out nailing tabs on each side.
• Place the appliance into position.
• Keep nailing tabs flush with the framing.
• Level the appliance from side to side and front to back.
• Shim the appliance as necessary. It is acceptable to use
wood shims underneath the appliance.
• Secure the appliance to the framing by using nails or
screws through the nailing tabs.
• Install upper framing plug after unit is set in place.
Nailing Tabs
(both sides)
Figure 6.6 Proper Positioning and Securing of an Appliance
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Heatilator • LEGACY42-IFT Installation Manual • 4095-901 Rev. A • 12/17
C. Installing Optional Outside Air Kit(s)
CAUTION! Risk of cuts/abrasions/flying debris.
Wear protective gloves and safety glasses during instal-
lation. Sheet metal edges are sharp.
WARNING! Risk of fire/sphyxiation. DO NOT draw
outside combustion air from:
• Wall, floor or ceiling cavity.
• Enclosed space such as an attic or garage.
• Close proximity to exhaust vents or chimneys.
Fumes or odor may result.
• The outside air kit(s) can only be installed on the left
and/or right side of the appliance.
• Refer to the installation instructions provided with the
kit.
Outside Air Plate
Flexible Duct
(not included)
Wire Ties
Outside Air Hood
Figure 6.7 Optional Outside Air Kit(s)
• Hearth & Home Technologies, Inc. recommends us-
ing UL181 Class 0 or Class 1 rigid or flexible ducting.
• Secure flex duct with metal tape, screws, or wire ties.
Remove the plate and
two screws before
installing the air kit.