NTI Trinity TX Series Installation And Operation Manual page 19

Tx I&O Manual
Roof Venting Options – Direct Vent Installation
Figure 4-5(a)
Two-pipe Termination (Roof)
Exhaust must terminate a
minimum of 18" above the Air-
inlet termination; see Figure 4-
7(a) for more details
Exhaust
3" DuraVent Concentric
Termination illustrated, see
Figure 4-7(c) for more details.
Exhaust
Two-pipe Termination (Roof-exhaust / Sidewall-inlet)
Exhaust must terminate a
minimum of 12" above snow
level; see Figure 4-7(d) for more
details
Inlet
Figure 4-5(c)
Concentric Termination (Roof)
3" IPEX Concentric termination
illustrated, see Figure 4-7(b) for
more details.
Inlet
│General Venting
Figure 4-5(b)
Exhaust
Exhaust
Inlet
Inlet
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