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C. Negative Pressure
D. Tools And Supplies Needed
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Reciprocating saw
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Pliers
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Phillips screwdriver
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Level
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Gloves
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Safety glasses
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E. Inspection of Appliance and Components
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• Read all the instructions before starting the
installation. Follow these instructions carefully
during the installation to ensure maximum safety
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lower levels of the house.
Causes include:
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hoods
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• Clothes
dryers
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Location of return-air vents to furnace or air conditioning
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Recessed lighting
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Attic hatch
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Duct leaks
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• Install optional outside air kit with the intake facing
prevailing winds during the heating season
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Ensure furnace and air conditioning return vents are not
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Avoid installing the appliance near doors, walkways or
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Attic hatches weather stripped or sealed
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Asphyxiation Risk.
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Appliance needs to draft properly for safety.
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Fire Risk.
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Technologies.
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