Heat & Glo FB-Grand Installer's Manual page 12

GAS ACCESS
Location
A Front Width
B Rear Width
C Depth
* Height
* 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
SURROUND
DOOR
LOWER GRILLE
RATING PLATE
GAS CONTROL VALVE
2"
(50.8mm)
MINIMUM FIREPLACE SIZE
CFX-GRAND-B and FB-GRAND
22-5/8
14-1/8
25-3/4
EXHAUST STARTING
COLLAR
ON/OFF
SWITCH
GLASS
ASSEMBLY
LOW VOLTAGE
WIRES
B
TOP VIEW
A
Inches Millimeters
35 889
574.7
358.8
654
12
INLET AIR STARTING COLLAR
ELECTRICAL JUNCTION
BOX ACCESS
C
CFX-IN-B and FB-IN
Inches Millimeters
30-1/4 768.4
19 482.6
14-1/8 358.8
22-1/2 571.5