Hearth and Home Technologies Indoor Fireplace CNXT4236 User Manual
®
Caliber nXt  
Direct Vent Gas Fireplace  
Shown with Contour front in bronze  
 
Caliber nXt Series  
Technical Specifications  
Product Dimensions  
C
23 in.  
26-1/2 in.  
15 in.  
A
Electric  
Access  
38 in.  
38-5/8 in.  
Gas Line  
Access  
Alternative  
Gas Line  
Access  
33-1/2 in.  
2-1/2 in.  
B
6-3/8 in.  
3-5/8 in.  
9-1/4 in.  
1-1/2 in.  
6 in.  
PRODUCT DIMENSIONS  
14-3/8 in.  
Model  
A
B
C
CNXT4236  
CNXT4842  
41 in.  
47 in.  
36 in.  
42 in.  
24-1/4 in.  
30-1/4 in.  
Framing Dimensions  
Appliance Locations  
D
1 in. (25 mm) min.  
E
pipe to  
1/2 in. (13 mm) min.  
appliance to  
combustibles  
B
1/2 in. (13 mm) min.  
appliance to  
combustibles  
combustibles  
C
H
Drywall  
A
G
Alcove  
Installation  
B
D
E
A
A
Rear vent  
One 45° elbow  
Horiz Term  
To p Vent  
One 90° elbow  
Horiz Term  
B
No elbows  
Rear Vent  
Two 90° elbows  
Horiz Term  
Rear Vent  
One 90° elbow  
Vert Term  
Horiz Term  
A
A
A
I
F
C
C
A
FRAMING DIMENSIONS  
1 in. (25 mm) min.  
pipe to combustibles  
I
F
D
A
B*  
Rough  
C
Rough  
Rough  
Rough Opening  
APPLIANCE LOCATIONS  
Opening Opening Opening  
(Width) (Height) (Depth)  
(DVP  
Pipe)  
Model  
A
B
C
D
E
F
G
H
I
Model  
CNXT4236 42" 50-5/8" 23" 71-5/8" 50-5/8" 52-5/8" 43" 48" 59-3/4"  
CNXT4842 48" 55-1/4" 23" 78-1/4' 55-1/4' 55-1/4" 49" 48" 59-3/4"  
CNXT4236  
CNXT4842  
42"  
48"  
38-3/4"  
38-3/4"  
23-1/2"  
23-1/2"  
10"  
10"  
*NOTE: When finishing the appliance with the Harbor  
surround, the appliance must be raised 1-1/4" off floor.  
Adjust framing and vent locations accordingly.  
Please refer to installation instructions for complete specifications and framing dimensions  
when installing this product. Go to www.heatilator.com to download.  
Download from Www.SomanualMs.como. Asll MtanRuales ScearochgAndnDiozwneloadd. Brand  
ability  
®
Caliber nXt Series  
Viewing Size  
Model No.  
CNXT4236  
CNXT4842  
Fuel Choices  
Natural or LP  
Natural or LP  
Venting  
36"  
42"  
Direct Vent  
Direct Vent  
Decorative Fronts (one required)  
Modernist  
Arts & Crafts  
Jamestown  
(black, nickel, pewter)  
(black, nickel, pewter)  
(black, pewter)  
Phoenix Retreat  
(bronze, pewter)  
Harbor  
Contour  
(bronze, pewter)  
(black, bronze)  
Options Not Pictured*  
Heat Zone  
Gas Conversion Kits  
Mantels & Surrounds  
Venting Accessories*  
DVP Cinch Pipe  
AVA I L A B L E F R O M  
a brand of Hearth & Home Technologies Inc.  
1915 West Saunders Street • Mt. Pleasant, Iowa 52641  
800-927-6841 • heatilator.com  
The information provided in this literature is for planning purposes only and subject to change.  
Please consult the installation manual for actual installation. Actual product appearance may differ  
from product image. The flame and ember appearance may vary based on the type of fuel burned  
and venting configuration used. For full warranty details, go to heatilator.com.  
*Please consult the MSRP book for a complete list of models and optional accessories.  
HTL-1014U-1008  
 

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