NTI Trinity TX Series Installation And Operation Manual page 20

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General Venting
Sidewall Termination Details – Direct Vent Installation
Figure 4-6(a)
Two-Pipe Termination (Sidewall)
Exhaust
Vertical
Min. 18"
Min. 12"
above grade
or snow level
Figure 4-6(c)
Low Profile Termination (IPEX Illustrated)
Refer to documentation included with termination kit for
complete installation instructions.
Air-inlet around
perimeter
Exhaust
Min. 12"
above grade
or snow level
20
Horizontal
4-12" or greater
than 36"
Exhaust
Air-inlet
Gas Vent Directly Below
Keep Free of Obstructions
Air-inlet
Vent Screen
Vent pipe piece to
retain vent screen
Exhaust
Air-inlet
Gas Vent Directly Below
Keep Free of Obstructions
Figure 4-6(b)
IPEX Concentric Termination (Sidewall)
Refer to documentation included with termination kit for
complete installation instructions.
Min. 12"
above grade
or snow level
Figure 4-6(d)
PolyPro / InnoFlue Wall Termination
Refer to documentation included with termination kit for
complete installation instructions.
Min. 12"
above grade
or snow level
Tx I&O Manual
Exhaust
Air-inlet
Air-inlet around
perimeter (1-2"
from wall)
Exhaust through
center
Vent Screen
Vent pipe piece to
retain vent screen
Exhaust
Air-inlet
Air-inlet bottom
Exhaust center