Monessen Universal Vent-Free Box

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Monessen offers a complete line of vent free fireboxes for use with its line of vent free gas logs as well as other vent free gas logs that fit within the specified minimum hearth area.

You have the option to buy this firebox with or with louvers as shown above or a flush face, a blower can be installed in either if you choose. A firebox with a flush face can have a non-combustible facade like rock tile or marble overlap the metal of the fireplace giving it that real masonry look. 


  • Full size wide opening firebox
  • Cottage Clay firebrick or Refractory Firebrick liner
  • Choose Louvered or Flush-Face fireplace fronts
  • Low profile hood allows for maximum visibility of the logs
  • Drywall lip allows for easier and faster installation of drywall.
  • Quick access panels and removable floor allow for easy and fast access to gas valve.
  • CSA design certified
  • 100% factory tested
  • Limited Lifetime Warranty