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ROUGH-IN
INSTRUCTIONS
FIGURE
1
"65-3/4"
_!
* This
measnrement
must be
taken from
top of
_]oor
plate
4"
NOTE:
For proper combustion, make sure units are
level, front to back and side to side.
IF_.
0
0
Dry-Wall
B-W Type Vent
Screw
\ ff--] Front
_'
Panel
_ Plaster
(hound
\
FIGURE 5A - DRY WALL
B-W Type Vent
4-- Screw
*--1
Front
Panel
o
Ground
I
I
FIGURE 5B - PLASTER WALL
STEP 4.Remove double ceiling plate between
studs.
Install one ceiling plate spacer across the cut out
in ceiling plate. Install vent pipe into position,
be sure to lock bottom of vent pipe into the base
plate. Nail second ceiling plate spacer in place.
(See Fimlre C, Page 6).
STEP 5.If the vent continues through additional stories
within the 2x4-smd space, then fire-stop-spacers
must be installed at the second and subsequent
ceiling levels. See Fimlre D.
Firestopspacers
Installation ofB-W gas
suppliedby
vent Ibr each subsequent
ceiling or floor level
B-W gasvent
of multi-story
buildings
Plate cut away to
B-W gas vent
'Nx-, Nail firestop
spacer securely
FIGURE D
VENT INSTALLATION
LISTED
VENTTOP
2 FTMIN
STORM COLLAR
_
ROOF
FLASHING
O\_LTO
CEILING PLATE
SPACERS
12 FT.
MIN.
CEILING
PLATE
SPACER
LANCES
FIGURE 2 - VENT INSTALLATION
Page 7
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