Burnham FREEDOM 101008-01R1-2/07 User Manual
Page 19

19
TABLE 7.8: SUMMARY OF VERTICAL VENTING OPTIONS
VENT OPTION #
5
6
CLASSIFICATION USED IN THIS
MANUAL
VERTICAL
TWIN PIPE
(RESERVED FOR
FUTURE USE)
ILLUSTRATED IN FIGURE
7.9
VENT PIPE STRUCTURE
ROOF
AIR INTAKE PIPE STRUCTURE
ROOF
VENT PIPE SIZE
3”
AIR INTAKE PIPE SIZE
3”
MAXIMUM LENGTH
VENT
FCM070
49.5ft
FCM090
49.5ft
FCM120
49.5ft
INLET
FCM070
49.5ft
FCM090
49.5ft
FCM120
49.5ft
MINIMUM LENGTH
VENT
FCM070
2ft
FCM090
2ft
FCM120
2ft
INLET
FCM070
2ft
FCM090
2ft
FCM120
2ft
VENT TERMINAL
STRAIGHT TERMINAL
BY VENT SYSTEM MFR.
(TABLE 7.5)
AIR INTAKE TERMINAL
3” 180 ELBOW
(FIGURE 7.9)
VENT MATERIAL
APPROVED STAINLESS
STEEL VENT SYSTEM
SHOWN IN TABLE 7.5
AIR INTAKE MATERIAL
GALVANIZED OR PVC