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TABLE 7.1: SUMMARY OF HORIZONTAL VENTING OPTIONS
VENT OPTION # 1 2 3 4
CLASSIFICATION USED IN THIS
MANUAL
HORIZONTAL
CONCENTRIC
HORIZONTAL
TWIN PIPE
(RESERVED
FOR FUTURE
USE)
(RESERVED FOR
FUTURE USE)
ILLUSTRATED IN FIGURE 7.2 7.3
VENT PIPE STRUCTURE
PENETRATION
WALL WALL
AIR INTAKE PIPE STRUCTURE
PENETRATION
WALL WALL
VENT PIPE SIZE
60/100 mm
CONCENTRIC
3”
AIR INTAKE PIPE SIZE 3”
MAXIMUM
LENGTH
VENT
FCM090
FCM120
18ft
55ft
INLET
FCM090
FCM120
18ft
55ft
MINIMUM
LENGTH
VENT
FCM090
FCM120
10in
2ft
INLET
FCM090
FCM120
10in
2ft
VENT TERMINAL
60/100 mm
CONCENTRIC
P/N 8110701
AIR INTAKE TERMINAL 3” 90 ELBOW
VENT MATERIAL
U.S. Boiler
60/100mm
VENT
COMPONENTS
SHOWN IN
TABLE 7.4
APPROVED
STAINLESS
STEEL VENT
SYSTEM
SHOWN IN
TABLE 7.5
AIR INTAKE MATERIAL
GALVANIZED
OR PVC