Total H (Horizontal run) = 50 feet maximum.
Total V (Vertical run) = 46 feet maximum.
Any combination in between would be applicable.
COMBUSTION
AIR DUCT
40FT
MAXIMUM
COMBUSTION
AIR DUCT
18 FT
MAXIMUM
40 FT
MAXIMUM
Figure 8. Venting with eight (8) 90° Elbows
Unit could have up to eight elbows off the top, with a maximum of 50 feet hori- zontal before any vertical, however, a vertical run of 46 feet maximum could be introduced at any point of the horizontal run and even right off the top of the unit.
16 | Heat & Glo • |
