Venting Configurations - UTICA BOILERS UBSSC-299 Installation, Operation & Maintenance Manual

6.6 Venting Configurations

Various venting configurations can be applied to this boiler.
For guidance see Venting Configuration Table 7A and
corresponding figures.
Table 7A - Combustion Air - Venting Locations
Flue Gas Location
Venting
(Flue Gas)
Combustion Air
(Fresh Air)
Table 7B - Combustion Air - Venting Terminal Type
Type
Venting
(Flue Gas)
Combustion Air
(Fresh Air)
6 - COMBUSTION AIR AND VENT PIPING
Combustion Air
Location
Roof
Side Wall
Inside Air
Roof
Side Wall
Inside Air
Location Terminal Type
S-Terminal with 90° elbow
S-Terminal with 45° elbow
Concentric
Side Wall
Concentric with accelerator
T-Terminal
Straight Terminal
Roof
Concentric
Raised 90° down elbow
90° down elbow
Side Wall
Concentric
No Terminal (inside air)
Raised 90° down elbow
Roof
Concentric
Use of vent covers may cause freezing. If using
Note
vent covers overall vent length must be considered.
Failure to heed this information may compromise
operation of this boiler.
Flue Gas
Terminals
Two Pipe
Concentric
Single Pipe
Single Pipe
Single Pipe
Two Pipe
Concentric
Single Pipe
25
Corresponding Figures
Figure 6-1
Figure 6-7
Figure 6-8
Figure 6-9
Figure 6-10
Figures 6-2, 6-3
Figures 6-4, 6-5, 6-6
Figure 6-11
Corresponding Figures
Figure 6-2, 6-3
Figure 6-12
Figure 6-4, 6-5, 6-6
Figure 6-13
Figure 6-10, 6-11, 6-14
Figure 6-1, 6-8, 6-9
Figure 6-7
Figure 6-2
Figure 6-3, 6-8,
Figure 6-4, 6-5, 6-6
Figure 6-9, 6-11
Figure 6-1, 6-10
Figure 6-7
PN 240011320 Rev. G 10/01/2021]