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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
FCM070 32ft 55ft
FCM090 32ft 55ft
FCM120 18ft 55ft
INLET
FCM070 32ft 55ft
FCM090 32ft 55ft
FCM120 18ft 55ft
MINIMUM LENGTH
VENT
FCM070 10in 2ft
FCM090 10in 2ft
FCM120 10in 2ft
INLET
FCM070 10in 2ft
FCM090 10in 2ft
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
(Note #1)
APPROVED
STAINLESS
STEEL VENT
SYSTEM
SHOWN IN
TABLE 7.5
AIR INTAKE MATERIAL
GALVANIZED
OR PVC
Note #1: The 80/125mm concentric straight section (P/N 101162-01) shown in Table 7.4 may be used between the boiler and the fi rst 80/125 x 60/100 reducing
elbow. If this is done, the overall maximum vent length is still restricted to that shown for Vent Option #1 in Table 7.1 above.