NEW INSTALLATION:
Step 1: Create Exterior Ventilation
• Choose one of the exterior venting methods shown on Page 7.
• Create the exterior ventilation hole.
• Insert exterior damper into exterior ventilation hole.
• Following recommendations and calculations specified on Pages 5 to 9, use new aluminum/metal ducting
cut specifically for the distance between the range hood damper and the exterior damper.
• Fasten all connections with sheet metal screws and tape all joints with certified aluminum or foil tape.
Please check the building codes in your city to learn which tape product is recommended.
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