Heatilator • RBV4236/RBV4842 • 4048-210 Rev K • 02/07 17

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Figure 7.3 Outside Air Kit Handle Location
Risk of Smoke Spillage
Outside air inlet must be located to prevent blockage
from:
• Leaves
• Snow/ice
• Other debris
Blockage may cause combustion air starvation.
CAUTION
• Push handle down to open the outside air door (see
Figure 7.3).
• When through burning appliance, push handle up to close
the outside air door.
Do NOT notch into the framing around the appliance
spacers.
CAUTION
Nailing Tabs
(both sides)
Figure 7.4 Proper Positioning, Leveling and Securing of an
Appliance
C. Securing and Leveling Appliance
The diagram shows how to properly position, level, and se-
cure the appliance (see Figure 7.4). Nailing tabs are pro-
vided to secure the appliance to the framing members.
• Place the appliance into position.
• Level the appliance from side to side and front to back.
• Shim the appliance as necessary. It is acceptable to use
wood shims.
• Bend out nailing tabs on each side.
• Keep nailing tabs fl ush with the framing.
• Secure the appliance to the framing by using nails or
screws through the nailing tabs.
B. Gas and Electrical Connections
Ensure that gas and electrical connections are installed at
this time. Refer to Sections 9 and 10.
Fire Risk!
• Prevent contact with sagging, loose
insulation.
• Do NOT install against combustible
materials such as exposed insulation,
plastic and insulation backer.
WARNING