Installation Guide
Page 4
... 328 (formerly the Federal Standard for Manufactured Home Installation 1982 (Manufactured Home Sites, Communities and Setups) ANSI A225.1/NFPA 501A*, or latest edition, or with washers and nuts (to 6" (15.2 cm) or larger diameter transition piece if using 6" (15.2 cm) or larger round vent system ■ 3¹⁄₄" x 10" (8.3 x 25...
... 328 (formerly the Federal Standard for Manufactured Home Installation 1982 (Manufactured Home Sites, Communities and Setups) ANSI A225.1/NFPA 501A*, or latest edition, or with washers and nuts (to 6" (15.2 cm) or larger diameter transition piece if using 6" (15.2 cm) or larger round vent system ■ 3¹⁄₄" x 10" (8.3 x 25...