Caution Requirements
The top, back and sides of the fireplace are defined by
standoffs. The metal ends of the standoff may NOT be
recessed into combustible construction.
WARNING
Fire hazard is an extreme risk
if these clearances (air space) to combustible materials are not
adhered to. It is of greatest importance that this replace and vent
system be installed only in accordance with these instructions.
CLEARANCES CB40EPV
Flue Clearances to
Combustibles
Horizontal - Top 3"
Horizontal - Side 2"
Horizontal - Bottom 2"
Vertical 2"
Passing through wall/floor/
ceiling - when firestop is
used.
1-1/2"
* A minimum of 120 square inches of open area, not lower than 3" from top of enclosure, required for all
installations — this can be achieved by having an open area in front, each side, and/or above as shown
in the four diagrams on the next page.
The HeatWave Duct Kit has
different clearance and framing
requirements, check the HeatWave
manual for details.
E
F
Alcove
Clearance: 3 sided Dimension Measured From:
A: From Floor Min. 0" Bottom of Fireplace Opening
A1 : Mantel Height (min.) ** Top of Fireplace Opening
B: Sidewall (on one side) 8-1/2" (216mm) Side of Fireplace Opening
C: Enclosure Width (min.) 48-7/16" (1230mm) Minimum inside dimensions
D: Mantel Depth (max.) **
E: Alcove Width 84" (2134mm) Side wall to side wall (min.)
F: Alcove Depth 36" (914mm) Front of Unit
G: To Enclosure Ceiling (min/max) 0-3" (76mm) From top of enclosure
H: Convection Air outlet 120 sq. inches (min) * Top/front or side of enclosure
I: Enclosure Depth (min.) 19" (483mm) Minimum inside dimensions
J: Opening Height 15-1/16" (383mm) Bottom/Top of Fireplace Opening
K: To Ceiling (min) All 3 sides 1-1/2" To Top of Ceiling
L: Chase Enclosure (min.) 63" (1600mm) From base of unit/floor
M: Clearance to Sprinkler Head (Min.) 36" (914mm) Perpendicular from chase grill
Hearth 0" No hearth required
** See mantel clearances chart in this section
L
Chase grill
Sprinkler
Side view
M
CB40EPV Gas Fireplace
