NTI INSTALLATION MANUALS

Part 5 - Venting

Roof Venting Options - Direct Vent Installation Two Pipe Termination

Unbalanced Termination (Roof Exhaust / Sidewall Intake)

WARNING

WARNING

Exhaust must terminate a minimum of 18” above the air intake termination. See Figure 50 for more details.

Exhaust must terminate a minimum of 12” above snow level. See Figure 51 for more details.

Figure 46 - Two Pipe Roof Venting

Figure 47 - Unbalanced Venting - Roof Exhaust and Sidewall Intake

Concentric Termination

WARNING

WARNING

3” IPEX Concentric Termination illustrated. See Figure 52 for more details.

3” Polypro / Inno ue Concentric Termination illustrated. See Figure 53 for more details.

Figure 48 - Roof Concentric Termination (with Optional IPEX kit)

Figure 49 - Roof Concentric Termination

(with Optional Duravent / InnoFlue Kit)

NOTE: These drawings are meant to demonstrate system venting only. The installer is responsible for all equipment and detailing required by local codes.

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