Hearth & Home Technologies • BV4236DBI, BV4842DBI • 2209-900 Rev. N • 9/1228
10 InstallingVentPipe�� 

A. AssemblyofVentSections

This B-Vent appliance requires 5 inch B-vent double-wall
pipe. Follow the pipe manufacturer’s installation guidelines
when installing the unit. This will ensure proper operation
and prevent safety hazards.
WARNING! Risk of Fire/Exhaust Fumes! Assemble
pipe sections per B-vent manufacturer’s instructions. Use
support tabs for screws. Pipe may separate if not properly
joined.

B. AttachingVenttoFirebox

Attach the rst B-Vent component to the ue outlet collar
using 3 self-tapping screws. See Figure 10.1.
Figure10.1

C. SecuringVentSections

Secure vent sections with vent supports following B-vent
manufacturer’s instructions.
WARNING! Risk of Fire or Explosion! Use vent run sup-
ports per vent manufacturer’s installation instructions.
• Connect vent sections per vent manufacturer’s installation
instructions.
• Maintain all clearances to combustibles. Maintain
specied slope (if required).
• Improper support may allow vent to sag or separate.
B-VENT
SECURING
SCREWS
FLUE OUTLET
COLLAR

D. InstallAtticInsulationShield

WARNING! Fire Risk. DO NOT allow loose materials or
insulation to touch vent. Hearth & Home Technologies
Inc. requires the use of an attic shield.
The National Fuel Gas Code ANSI Z223.1 and NFPA 54
requires an attic shield constructed of 26 gauge minimum
metal that extends at least 2 in. (51 mm) above insulation.
Attic shields must meet specied clearance and be se-
cured in place.