RBI 8800 series Installation And Operation Instructions Manual page 6

Page 6 SERIES 8800 & 8900 INSTALLATION AND OPERATING INSTRUCTIONS
Figure 2 - Vertical Venting Using A Masonary Chimney And Inside Air (8900/8800 Series)
10 FT 3.1 m
3 FT 1 m
3 FT 1 m
5 FT 1.52 m
RIOM-41
Figure 3 - Dual Flue Outlets And Inside Air (8900/8800 Series)
2 FT .6 m
10 FT 3.4 m
3 FT 1 m
10 FT 3.4 m
5 FT 1.5 m
RIOM-42