NTI Trinity TX101 - Roof Venting Options - Direct Vent Installation; Two-pipe Termination (Roof); Two-pipe Termination (Roof-exhaust; Sidewall-inlet); Concentric Termination (Roof)

Tx I&O Manual │General Venting
19
Roof Venting Options – Direct Vent Installation
Figure 4-4(a)
Figure 4-4(b)
Two-pipe Termination (Roof)
Two-pipe Termination (Roof-exhaust / Sidewall-inlet)
Figure 4-4(c)
Concentric Termination (Roof)
3” DuraVent Concentric
Termination illustrated, see
Figure 4-6(c) for more details.
Exhaust
Inlet
Exhaust
Inlet
Exhaust must terminate a
minimum of 18” above the Air-
inlet termination; see Figure 4-
6(a) for more details
3” IPEX Concentric termination
illustrated, see Figure 4-6(b) for
more details.
Exhaust
Inlet
Exhaust
Inlet
Exhaust must terminate a
minimum of 12” above snow
level; see Figure 4-6(d) for more
details