
32
Heatilator • Caliber Mesh CD Series-SIT Valve • 4040-849 Rev H • 11/07
Do NOT notch into the framing around the appliance
spacers.
CAUTION
Nailing Flanges
(both sides)
Figure 7.20 Proper Positioning, Leveling and Securing of an
Appliance
B. Securing and Leveling the Appliance
The diagram shows how to properly position, level, and se-
cure the appliance (see Figure 7.20). Nailing tabs are pro-
vided to secure the appliance to the framing members.
• Rear venting - refer to Vent Clearances and Framing
(Section 6) for hole location.
• 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.
Fire Risk!
• ALWAYS maintain speci
fi
ed clearances
around the appliance.
• Do NOT notch into the framing around
the appliance spacers.
Failure to keep insulation, framing or other material
away from the appliance may cause
fi
re.
WARNING
Fire Risk!
• Prevent contact with sagging, loose
insulation.
• Do NOT install against combustible
materials such as exposed insulation,
plastic and insulation backer.
WARNING