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B-Vent Specialty Gas Fireplaces
Read all instructions completely and thoroughly before attempting installation.
Failure to do so could result in serious injury, property damage or loss of life.
Operation of improperly installed and maintained venting system could result in
serious injury, property damage or loss of life.
Failure to follow these instructions will
void the warranty.
INSTALLATION PRECAUTIONS
Consult local building codes before beginning the instal-
lation. The installer must make sure to select the proper
vent system for installation. Before installing vent kit, the
installer must read this fireplace manual and vent kit in-
structions.
Only a qualified installer/service person should install
venting system. The installer must follow these safety
rules:
•
Wear gloves and safety glasses for protection.
•
Use extreme caution when using ladders or when
on rooftops.
•
Be aware of electrical wiring locations in walls and
ceilings.
The following actions will void the warranty on your vent-
ing system:
•
Installation of any damaged venting component.
•
Unauthorized modification of the venting system.
•
Installation of any component part not manufac-
tured or approved by MHSC.
•
Installation other than permitted by these instruc-
tions.
INSTALLATION PLANNING
"B" VENT PIPE
See venting installation instructions provided by the B-
Vent manufacturer.
NOTE: This APPLIANCE MUST BE INSTALLED using
"B" vent type pipe that has been listed by a nationally
recognized testing agency.
Refer to B-Vent Pipe Sizing chart for proper elbow offset
runs.
This appliance must be installed using 6" type "B" vent.
Locate chimney center line dimension from a combus-
tible back wall. Page 6, Figure 1
•
Minimum vertical chimney height - 7'
•
Minimum height with two (2) 90° elbows - 6'
8
•
Elbow requirements allow a maximum of two (2)
90° elbows or four (4) 45° elbows per installation.
NOTE: Two (2) 45° elbows = one (1) 90° elbow
•
Horizontal run must never exceed 50% of the
height of the vent system.
FIRESTOP INSTALLATION
A ceiling firestop must be installed if the vent passes
through a ceiling. Refer to the instructions from the pipe
manufacturer. To position firestop refer to Figures 3 and 4.
Only one (1) firestop required per frame.
NOTE: A firestop is not required at the roof.
Joist
Figure 3 -
Install Firestop in Attic
LOCATE and INSTALL FIRESTOP
1. For ceiling firestops, position a plumb bob over the
center of the vertical pipe to spot a hole through which
the pipe will penetrate.
2. Drill a hole through this center point and check for ob-
structions (i.e. wiring or plumbing).
3. Reposition the fireplace and vent system, if necessary,
to accommodate ceiling joists or obstructions.
4. Cut an 11" x 11" hole through the ceiling, using the
center point.
VENTING INSTALLATION
Nails
Firestop
Spacer
FP2020
FP2020
firestop
10/08
20301938
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