UTICA BOILERS UCS-380 Installation, Operation & Maintenance Manual page 29

FIGURE 6-17 Side Wall Venting Terminal w/T-Terminal
12" (305mm) Min.
Separation of Combustion Air and Vent
shall be maintained.
No Maximum separation is required when
using T-Terminal for vent.
See Snow & Ice
page 32
Fig. 6-18 Flue on Roof, Air Intake on Side Wall
Vent
6 - COMBUSTION AIR AND VENT PIPING
Vent w/T-
l
Termina
Maintain 12"(305mm) US
(18"(457mm) Canada)
clearance above highest
anticipated snow level 24"
(610mm) above roof or
ground
Combustion Air
Maintain 12"(305mm)
US (18"(457mm)
Canada) clearance
above highest
anticipated snow level
24" (610mm) above
roof or ground
Snow Line
Ground Level
Configurations of single pipe vent with flue on the
Note
sidewall, requires a tee as the vent terminal. See
figure 6-17, 6-19 and 6-21
If separation in Fig. 6-15 is not large enough to
Note
prevent cross flow contamination between flue
gas and fresh air use T-Terminal as shown in
Fig. 6-17. Use of T-Terminal for vent as shown
in Fig. 6-17 does not have a max. separation
requirement between flue gas and fresh air.
Fig. 6-19 Flue on Sidewall, Combustion Air on Roof
29
Maintain 12"(305mm) US
(18"(457mm) Canada)
clearance above highest
anticipated snow level 24"
Combustion
(610mm) above roof or
Air
ground
18" Vertical
Clearance to
ventilated soffit
Vent - T Terminal
Maintain 12"(305mm) US
(18"(457mm) Canada)
clearance above highest
anticipated snow level 24"
(610mm) above roof or
P/N 240011662, Rev. D [06/30/2017]
ground
Snow Line
Ground Level