Monessen Hearth GCUF-GRUF Vent Free Gas Firebox

Starting at $609

These vent free fireboxes create a realistic, built-in look, thanks to zero-clearance design. With three different sizes and two firebrick options, you can find just the right accent for your room decor.

Available Sizes:

  • 32"
  • 36"
  • 42"

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Model Comparison

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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

GCUF42 / GRUF42

Size: 42"
Styling: Refractory Firebrick or Cottage Clay Firebrick
Dimensions: 47 (W) x 34-1/2 (H) x 18 (D)
Hearth Dimensions: 40 (W) x 21-7/8 (H) x 15-3/4 (D) x 33-3/8(RW)
Fire Viewing Area: 40" x 21-3/4"
Viewing Style: Front
Venting: Vent Free
Heat Distribution: Radiant/Circulating
Termination: None
Certifications: CSA Design

GCUF36 / GRUF36

Size: 36"
Styling: Refractory Firebrick or Cottage Clay Firebrick
Dimensions: 41 (W) x 34-1/2 (H) x 18 (D)
Hearth Dimensions: 34 (W) x 21-7/8 (H) x 15-3/4 (D) x 27-3/8(RW)
Fire Viewing Area: 34" x 21-3/4"
Viewing Style: Front
Venting: Vent Free
Heat Distribution: Radiant/Circulating
Termination: None
Certifications: CSA Design

GCUF32 / GRUF32

Size: 32"
Styling: Refractory Firebrick or Cottage Clay Firebrick
Dimensions: 37 (W) x 34-1/2 (H) x 16 (D)
Hearth Dimensions: 29-7/8 (W) x 21-7/8 (H) x 13-1/4 (D) x 23-3/8(RW)
Fire Viewing Area: 29-7/8" x 21-3/4"
Viewing Style: Front
Venting: Vent Free
Heat Distribution: Radiant/Circulating
Termination: None
Certifications: CSA Design

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.

†For wood-burning appliances: Actual burn times will vary based on how the appliance is operated, load size, moisture content and type of wood used, and installation.