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• A minimum of 1/4 inch clearance must be maintained between
• It is important to insure that the 1/4 inch minimum spacing is
• Failure to do this could result in overheating the combustible
Manual 2100-425B
Page
14 of 21
FIGURE 7
ELECTRIC HEAT CLEARANCE
WARNING
the supply air duct and combustible materials. This is required
for the first 3 feet of ducting.
maintained at all points.
material and may result in fire.
Side section view of supply air duct for
wall mounted unit showing 1/4 inch
clearance to combustible surfaces.
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