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MINIMUM FIREPLACE SIZE
Location
CFX-GRAND-B and FB-GRAND CFX-IN-B and FB-IN
Inches Millimeters Inches Millimeters
A Front Width 35 889 30-1/4 768.4
B Rear Width 22-5/8 574.7 19 482.6
C Depth 14-1/8 358.8 14-1/8 358.8
* Height 25-3/4 654 22-1/2 571.5
* NOTE: If exhaust collar on insert and fireplace damper do not line up, add 4 inches (102mm) to minimum
fireplace height for bends in vent pipe. /
Figure 1. Diagram of insert
GAS ACCESS
SURROUND
DOOR
GLASS
ASSEMBLY
LOWER GRILLE
GAS CONTROL VALVE
RATING PLATE
ELECTRICAL JUNCTION
BOX ACCESS
INLET AIR STARTING COLLAR
EXHAUST STARTING
COLLAR
LOW VOLTAGE
WIRES
ON/OFF
SWITCH
B
2”
(50.8mm)
A
C
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