Heatilator Caliber nXt Gas Fireplace

Caliber nXt Gas Fireplace

Impressive Heat, Traditional Ambiance


The Caliber nXt series delivers bold fire and impressive heating power to create a dramatic focal point in any room. Textured fiber interior panels with a traditional or herringbone pattern pair with high heat output and a standard fan for an impressive fireplace experience. Create your unique look and define your space with traditional style, proven value and a beautiful roaring fire.

  • 36” or 42” wide viewing area with a deep firebox
  • Large logs and generous fire: up to 45,000 BTUs
  • Enhanced safety with the IntelliFire Touch ignition system
  • Standard IFT touchscreen remote makes operating your fireplace simple, smart and safe


Fronts + Doors

A variety of available front and operable door options offer a tailored appearance to any hearth. A wide range of color options will complement any home décor.


Interior Panels

Our interior panels offer an authentic appearance with remarkable brick detail.

Fade-Resistant Reflective Black GlassFade-Resistant Reflective Black Glass


Have complete control over your fire. Controls listed are tested and approved for recommended use with the hearth systems indicated.

RC400 Touchscreen RemoteRC400 Touchscreen Remote
RC150 Wireless Wall SwitchRC150 Wireless Wall Switch


Dimensions in inches. Refer to installation/owner's manual for detailed specifications on installing this product. Hearth & Home Technologies reserves the right to update units periodically. Product installation must adhere strictly to instructions shipped with product.

Model Specifications

Caliber nXt 36 36" Gas Fireplace - DV

Appliance Width: 41"
Appliance Height: 39-7/8"
Appliance Depth1: 21"
Appliance Rear Width: 28-1/2"
Framing Height: 40-1/8"
Framing Depth: 22"
Framing Front Width: 42"
Framing Back Width: 42"
BTU/hr Input: 40,000
Viewing Area: 35 x 24-1/8"

Caliber nXt 42 42" Gas Fireplace - DV

Appliance Width: 48"
Appliance Height: 41-7/8"
Appliance Depth1: 21"
Appliance Rear Width: 35-1/2"
Framing Height: 42-1/8"
Framing Depth: 22"
Framing Front Width: 49"
Framing Back Width: 49"
BTU/hr Input: 45,000
Viewing Area: 42 x 26-1/8"


Caliber nXt 36 36" Gas Fireplace - DV

Steady State: 78.0%
AFUE: 65.0%
Canada EnerGuide: 67.0%

Caliber nXt 42 42" Gas Fireplace - DV

Steady State: 84.0%
AFUE: 66.0%
Canada EnerGuide: 68.0%

1 Appliance Depth includes entire unit including depth of firebox and extension onto hearth.

Heat output will vary depending on the type of fuel used. The flame and ember appearance may vary based on the type of fuel burned and the venting configuration used. Actual product appearance, including flame may differ from image shown. Refer to the owner's manual for complete clearance requirements and specifications. Product specifications and pricing subject to change without notice. For testing and listing information please refer to the owner's/installation manual. *For select products: Heating capacity to be used as a guide only. See your local dealer for help in determining the product that best suits your heating needs based on climate and home efficiency.


Brochure Install Manual Owners Manual Architect Guide CNXT4236 Architect Guide CNXT4842