ClickCease Monessen - GCUF-GRUF Series 36 - Circulating Firebox w/louvers, 36" op – Everything Fireplaces
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Monessen - GCUF-GRUF Series 36 - Circulating Firebox w/louvers, 36" opening w/refractory firebrick standard - GCUF36C-R



The GCUF Series Firebox by Monessen is a versatile vent free option for any design application. Zero clearance capabilities makes it possible to bring construction materials, such as wood or sheet-rock, right up to the firebox for a clean, contemporary look. Vent free operation with no flue or hearth required and gas line knockouts available on either side make installation easy and economical. Circulating design includes air ducts that allow for installation of an optional blower or convert to radiant heat operation with optional panel kit. Refractory firebrick and screen mesh curtains provide true fireplace appeal and the wide viewing area guarantees you enjoy a beautiful flame presentation. Monessen GCUF Series Vent Free Fireboxes are CSA certified. Framing dimensions (in inches): 41 1/4 W x 17 1/2 D x 35 H. Viewing area dimensions (in inches): 36 W x 21 3/4 H. (783 sq. In. )

  • Clean and Easy Zero Clearance Design
  • Enjoy Radiant Warmth and a Wide Viewing Area
  • Efficient and Economical Vent Free Application
  • Heat Circulating Air Ducts for Optional Blower Installation
  • Refractory Firebrick and Mesh Curtains for True Fireplace Appeal


Fireplace Type Wall
Fuel Type  Gas
Installation Type  Built-In
Firebox Width 36"
Collection GCUF
Style Traditional
Finish Black
Blower Without Blower
Mobile Home Approved No
Location Indoor
Surround Width Range 30 - 39"
Vent Type Ventless


Width 41"
Depth 18"
Height 34.5"



  • Circulating firebox with black louvers (GCUF)
  • Mesh curtain screens Black hood
  • Junction box
  • CSA Design Certified
  • NOTE: Log sets are not included and must be ordered separately. See gas logs section for 18" and 24" compatiable vent free logs


Specification Sheet

Instructions Manual

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