NTI Trinity TX Series Installation And Operation Manual page 18

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General Venting
Sidewall Venting Options – Direct Vent Installation
Figure 4-4(a)
Two-pipe Termination (Sidewall)
Exhaust must terminate a
minimum of 18" above Air-inlet
termination; see Figure 4-6(a) for
more details.
Exhaust
3" IPEX Concentric Termination
illustrated, see Figure 4-6(b) for
more details.
Inlet
Exhaust
18
3" IPEX Low Profile Termination
illustrated; see Figure 4-6(c) for
more details.
Inlet
Figure 4-4(c)
Concentric Termination (Sidewall)
3" DuraVent Concentric
Termination illustrated, see
Figure 4-6(d) for more details.
Figure 4-4(b)
Low Profile Termination (Sidewall)
Exhaust
Exhaust
Tx I&O Manual
Inlet
Inlet