Majestic Products

BUF Series Vent Free* Firebox

The versatile BUF Series firebox comes in two sizes, and its vent free, zero-clearance design allows you to place it in many different settings, with no need to add an expensive hearth or flue setup. Read More

Model Details

Install Almost Anywhere
Flexible installation and neutral design — With a true 36" or 42" brick-to-brick opening, this series is a versatile vent free option for any design application. The neutral refractory firebrick and classic masonry match any décor.
CSA Design Certified
Complementary design — The BUF Series firebox is certified to fit most 18", 24" and 30" vent free gas log sets.
Zero Clearance
More flexible installation options — Zero clearance design gives you the flexibility to add this firebox to any interior wall.

Available Sizes:

Quick Look

Heat Distribution
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 Majestic Gas Log Sets.

Guides & Literature

Finishing Options

  • Blower Kit Blower Kit FA2A200 CFM forced air blower.
  • Outside Combustion Air Kit Outside Combustion Air Kit AK4Draws in outside combustion air for your firebox rather than pulling it from the room.

BUF Series Model Line-Up

Unique features by model number

Size 42" 36"
Model Number BUF500 BUF400
  • 46 (W)
  • 34 (H)
  • 21 (D)
  • 40 (W)
  • 34 (H)
  • 21 (D)
Hearth Dimensions
  • 41-1/2 (W)
  • 21-1/2 (H)
  • 17 (D)
  • 26-3/8(RW)
  • 35-1/2 (W)
  • 21-1/2 (H)
  • 17 (D)
  • 20-3/8(RW)
Fire Viewing Area 42" x 21-9/16" 36" x 21-9/16"
Spec Sheets
& Manuals

Common features for this family

Viewing Style Front
Venting Vent Free
Termination None
Certifications CSA Design