Installation Guide
Page 13
... clean) ■■ Must be fully extended and supported in enclosed walls, ceilings, or floors. ■■ The total length should not exceed 73/4 ft. (2.4 m). Review "Vent System Chart" and, if necessary, modify existing vent system to avoid sagging and kinking that may result in reduced airflow and poor performance. ■...
... clean) ■■ Must be fully extended and supported in enclosed walls, ceilings, or floors. ■■ The total length should not exceed 73/4 ft. (2.4 m). Review "Vent System Chart" and, if necessary, modify existing vent system to avoid sagging and kinking that may result in reduced airflow and poor performance. ■...