Quadra-Fire • QFI30FB-IFT, QFI35FB-IFT Installation Manual • 2555-980 Rev. C • 9/18
10
Figure 4.2 Fireplace Opening
In addition to these dimensions, also reference Clearances and Mantel Projections (Section 10.A)
MINIMUM FIREBOX OPENING SIZE
Location
QFI35FB-IFT
QFI30FB-IFT
Inches
Millimeters
Inches
Millimeters
A
Rear Width
25-1/2
648
21-1/2
546
B
Front Width
35-1/8
892
30-1/2
775
C
Height-Front
24-5/8
625
22-5/8
575
D
Height-Rear
22-1/4
565
20-1/2
521
E**
Unit Depth
18-1/8
460
16-5/8
422
F
Venting Depth
13-3/8
340
11-7/8
302
* Note: If exhaust collar on insert and fireplace damper do not line up, add 4 Inches (102 mm) to minimum
fireplace height for bends in vent pipe.
**Unit depth is measured to the back of the surround to give the depth needed for installation.
B
E**
C
F
D