Installation Guide
Page 10
..., or snow). ■■ Do not use plastic or metal foil vent. Only rigid or flexible metal vent shall be connected into interior of a building. Review "Vent System Chart" and if necessary, modify existing vent system to keep rodents and insects from entering the home. ■■ Must be at least...
..., or snow). ■■ Do not use plastic or metal foil vent. Only rigid or flexible metal vent shall be connected into interior of a building. Review "Vent System Chart" and if necessary, modify existing vent system to keep rodents and insects from entering the home. ■■ Must be at least...