Heatiator NB4842MI Installing Vent Pipe, A. Assemble Vent Sections, C. Securing Vent Sections

8 Installing Vent Pipe

A. Assemble Vent Sections

This B-Vent appliance requires 5 in. B-vent double-wall pipe. Follow the pipe manufacturer’s installation guidelines when installing the appliance. This will ensure proper operation and prevent safety hazards.

WARNING

Fire Risk

Exhaust Fumes Risk

Impaired Performance of Appliance.

•Assemble pipe sections per B-Vent manufacturer’s instructions.

•Use support tabs for screws.

•Screws must not exceed 1 in. long and must not penetrate inner lining.

•Pipe may separate if not properly joined.

C. Securing Vent Sections

Secure vent sections with vent supports following B-vent manufacturer’s instructions.

WARNING

Fire Risk

Explosion Risk

Asphyxiation Risk

Use vent run supports per vent manufacturer’s installation instructions.

Connect vent sections per vent manufacturer’s installation instructions.

•Maintain all clearances to combustibles.

•Maintain specified slope (if required).

Improper support may allow vent to sag or separate.

B. Attach Vent to Firebox Assembly

Three tabs extend from appliance collar shield. Attach tabs to first section of B-vent pipe using self-tapping 1/4 in. screws supplied with appliance. See Figure 8.1.

Tabs

Figure 8.1 Attaching Vent to Firebox

18 Heatilator • Novus BV-Mesh • 4031-553 Rev F • 11/07