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GCUF-GRUF Series Vent Free* Firebox

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. Read More

Model Details

Design Options
Customize your look — Choose between a louvered (GCUF) or radiant, clean face design (GRUF). With multiple firebrick options and accessories, you can be sure this firebox will suit your preferred style.
CSA Design Certified
A perfect fit — These fireboxes are certified to fit most 18", 24", 28", and 30" vent free gas log sets.
Zero Clearance
Designed to accommodate your needs — Zero clearance design gives you the flexibility to add this firebox to any interior wall.
Firebrick Options
Looking good — GCUF-GRUF Series fireboxes ship with either Cottage Clay or Refractory firebrick, so you can select the right style to best fit your room decor.
Up to 870 sq. in. of Viewing Area
Check out the view — With up to 870 sq. in. of viewing area, friends and family can enjoy a lovely flame picture from almost anywhere in the room.

Available Sizes:

Quick Look

Venting
None
Heat Distribution
Circulating or Radiant
Certifications
CSA Design

* The use of vent free appliances is prohibited in Canada and some US states. Please check your state code for vent free products.
Gas Log Sets sold separately. See Monessen Gas Log Sets.

Guides & Literature

Finishing Options

  • Blower Kit Blower Kit BLOTMC160 CFM variable thermostat controlled forced air blower.
  • Black Trim Kits Black Trim Kits Curved: BLTK32C, BLTK36C, BLTK42C. Medium: BLMTK32C, BLMTK36C, BLMTK42C.Perimeter trim adds a finished look to your fireplace. Curved trim must be attached before installing the firebox in the wall. Medium trim can be added after installation. Available in 3 sizes.
  • Stainless Steel Trim Kits Stainless Steel Trim Kits Curved: SSTK32C, SSTK36C, SSTK42C. Louvers: L32SSM, L36SSM, L42SSM.Perimeter trim adds a finished look to your fireplace. Curved trim must be attached before installing the firebox in the wall. Available in 3 sizes.
  • Radiant Panel Kits Radiant Panel Kits CF32RPK, CF36RPK, CF42RPKAvailable in 3 sizes, these panels adapt your circulating fireplace to distribute radiant heat.
  • Cottage Red Firebrick Cottage Red Firebrick FB32CR, FB36CR, FB42CRCustomize the interior of your fireplace with this alternative style of decorative firebrick available in 3 sizes.
  • Outside Combustion Air Kit Outside Combustion Air Kit AK4Draws in outside combustion air for your firebox rather than pulling it from the room.
  • Black Arched Fronts Black Arched Fronts VD32AFB, VD36AFB, VD42AFBAvailable in 3 sizes, these decorative fronts feature a lower door for control access.
  • Black Cabinet Door Frames Black Cabinet Door Frames DD32CDFB, DD36CDFB, DD42CDFBAvailable in 3 sizes, these frames are required for cabinet door installation.
  • Black Cabinet Doors with Screen Black Cabinet Doors with Screen DD32CDB, DD36CDB, DD42CDBAvailable in 3 sizes, these screened door sets provide a decorative accent that adds allure to your firebox.
  • Filigree Panels Filigree Panels Black: DC32FPB, DC36FPB, DC42FPB. Black Texture: FWB40032BT, FWB50036BT, FWB60042BT. Iron Age: FWB40032IA, FWB50036IA, FWB60042IA.Available in 3 sizes and 3 colors, these designer panels add a delicate elegance to your firebox.
  • Rectangular Fronts Rectangular Fronts Black Texture: RF32BT, RF36BT, RF42BT. Iron Age: RF32IA, RF36IA, RF42IA.Available in 3 sizes and 2 colors, these decorative fronts feature a lower door for control access.
  • Hoods Hoods Black Texture: HB32BT, HB36BT, HB42BT. Iron Age: HB32IA, HB36IA, HB42IA.Create a dramatic look with these firebox hoods. Available in 3 sizes and 2 colors.
  • Wall Surrounds Wall Surrounds Honey Oak: WSHGC32F-O, WSHGC36F-O. Dark Cherry: WSHGC32F-DC, WSHGC36F-DC.Available in 2 sizes, these surrounds give a built-in look to your firebox's wall installation. Choose between a Honey Oak or Dark Cherry finish.
  • Corner Surrounds Corner Surrounds Unfinished Oak: CSGC32U-O, CSGC36UC-O. Unfinished Birch: CSGC32U-B, CSGC36UC-B. Honey Oak: CSHGC32F-O, CSHGC36F-O. Dark Cherry: CSHGC32F-DC, CSHGC36F-DC.Available in 2 sizes, these surrounds are designed to finish out your firebox's corner installation. Choose Honey Oak or Dark Cherry finish, or select an unfinished hearth in either Oak or Birch and paint or stain it yourself.
  • Corner Hearths Corner Hearths Unfinished Oak: CHGC32U-O, CHGC36UC-O. Unfinished Birch: CHGC32U-B, CHGC36UC-B.Available in 2 sizes, these corner hearths add a built-in look to your firebox installation. Available in unfinished Oak or Birch, so you can paint or stain them to suit your decor.

GCUF-GRUF Series Model Line-Up

Unique features by model number

Size 32" 32" 36" 36" 42" 42" 32" 32" 36" 36" 42" 42"
Model Number GCUF32C-R GCUF32C-F GCUF36C-R GCUF36C-F GCUF42C-R GCUF42C-F GRUF32C-R GRUF32C-F GRUF36C-R GRUF36C-F GRUF42C-R GRUF42C-F
Styling Refractory Firebrick Cottage Clay Firebrick Refractory Firebrick Cottage Clay Firebrick Refractory Firebrick Cottage Clay Firebrick Refractory Firebrick Cottage Clay Firebrick Refractory Firebrick Cottage Clay Firebrick Refractory Firebrick Cottage Clay Firebrick
Dimensions
  • 37 (W)
  • 34-1/2 (H)
  • 16 (D)
  • 37 (W)
  • 34-1/2 (H)
  • 16 (D)
  • 41 (W)
  • 34-1/2 (H)
  • 18 (D)
  • 41 (W)
  • 34-1/2 (H)
  • 18 (D)
  • 47 (W)
  • 34-1/2 (H)
  • 18 (D)
  • 47 (W)
  • 34-1/2 (H)
  • 18 (D)
  • 37 (W)
  • 34-1/2 (H)
  • 16 (D)
  • 37 (W)
  • 34-1/2 (H)
  • 16 (D)
  • 41 (W)
  • 34-1/2 (H)
  • 18 (D)
  • 41 (W)
  • 34-1/2 (H)
  • 18 (D)
  • 47 (W)
  • 34-1/2 (H)
  • 18 (D)
  • 47 (W)
  • 34-1/2 (H)
  • 18 (D)
Hearth Dimensions
  • 29-7/8 (W)
  • 21-7/8 (H)
  • 13-1/4 (D)
  • 23-3/8(RW)
  • 29-7/8 (W)
  • 21-7/8 (H)
  • 13-1/4 (D)
  • 23-3/8(RW)
  • 34 (W)
  • 21-7/8 (H)
  • 15-3/4 (D)
  • 27-3/8(RW)
  • 34 (W)
  • 21-7/8 (H)
  • 15-3/4 (D)
  • 27-3/8(RW)
  • 40 (W)
  • 21-7/8 (H)
  • 15-3/4 (D)
  • 33-3/8(RW)
  • 40 (W)
  • 21-7/8 (H)
  • 15-3/4 (D)
  • 33-3/8(RW)
  • 29-7/8 (W)
  • 21-7/8 (H)
  • 13-1/4 (D)
  • 23-3/8(RW)
  • 29-7/8 (W)
  • 21-7/8 (H)
  • 13-1/4 (D)
  • 23-3/8(RW)
  • 34 (W)
  • 21-7/8 (H)
  • 15-3/4 (D)
  • 27-3/8(RW)
  • 34 (W)
  • 21-7/8 (H)
  • 15-3/4 (D)
  • 27-3/8(RW)
  • 40 (W)
  • 21-7/8 (H)
  • 15-3/4 (D)
  • 33-3/8(RW)
  • 40 (W)
  • 21-7/8 (H)
  • 15-3/4 (D)
  • 33-3/8(RW)
Fire Viewing Area 29-7/8" x 21-3/4" 29-7/8" x 21-3/4" 34" x 21-3/4" 34" x 21-3/4" 40" x 21-3/4" 40" x 21-3/4" 29-7/8" x 21-3/4" 29-7/8" x 21-3/4" 34" x 21-3/4" 34" x 21-3/4" 40" x 21-3/4" 40" x 21-3/4"
Spec Sheets
& Manuals

Common features for this family

Viewing Style Front
Venting Vent Free
Termination None
Certifications CSA Design