Heatilator • RBV4236/RBV4842 • 4048-210 • Rev S • 6/10
22
The diagram shows how to properly position and secure
the appliance (see Figure 9.2). 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.
• Secure the appliance to the floor by inserting two screws
through the bottom front of the appliance.
9
Appliance Preparation
A. Installing Outside Air Kit Damper Assem-
bly
CAUTION! Risk of Cuts/Abrasions/Flying Debris.
Wear protective gloves and safety glasses during installa-
tion. Sheet metal edges are sharp.
WARNING! Risk of Fire/
Asphyxiation. DO NOT
draw out-
side 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 can only be installed on the left side
of the appliance.
• Refer to the installation instructions provided with the
kit.
Outside Air
Hood
Outside Air
Plate
Assembly
2 Wire Ties
Flexible Duct
(not supplied)
• Hearth & Home Technologies Inc recommends using
UL181 Class 0 or Class I rigid or flexible ducting.
• Secure flex duct with metal tape, screws or wire ties.
Figure 9.1 Outside Air Kit Installation
B. Gas and Electrical Connections
If applicable, ensure that gas and electrical connections
are installed at this time. Refer to Sections 11 (Gas Infor-
mation) and 12 (Electrical Information).
C. 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 may cause
overheating and fire.
Nailing Tabs
Figure 9.2 Proper Positioning and Securing of Appliance
