Monessen Hearth GRUF36CF User Manual
VENT FREE FIREBOXES
Monessen
To avoid personal injury or property damage, the product described by this brochure must be installed, operated and maintained in strict compliance with the instructions packaged with the
product and all applicable building or fire codes. Contact local building or fire officials about restrictions and installation inspection requirements. All photographs and drawings on this
brochure are for illustrative purposes only and are not intended for, nor should they be used as a substitute for the instructions packaged with the unit. Appearance and specifications of the
product are subject to change without notice. © 2008 Monessen Hearth Systems Co.
product and all applicable building or fire codes. Contact local building or fire officials about restrictions and installation inspection requirements. All photographs and drawings on this
brochure are for illustrative purposes only and are not intended for, nor should they be used as a substitute for the instructions packaged with the unit. Appearance and specifications of the
product are subject to change without notice. © 2008 Monessen Hearth Systems Co.
A Brand of Monessen Hearth Systems Co.
149 Cleveland Drive, Paris, Kentucky 40361
149 Cleveland Drive, Paris, Kentucky 40361
www.monessenhearth.com
Ver.03 MON8108
Monessen
Vent Free Fireboxes
Your Monessen Dealer:
HPBA
Hearth, Patio & Barbecue Association
MADE IN U.S.A.
Model
BUF400
BUF500
Actual Dimensions
40"W x 34"H x 21"D
46"W x 34"H x 21"D
Framing Dimensions
40-1/2"W x 34-1/2"H x 20-1/2"D
46-1/2"W x 34-1/2"H x 20-1/2"D
Viewing Area
21-1/2"H x 35-1/2"W (763SQ. IN.)
21-1/2"H x 41-1/2"W (892SQ. IN.)
Minimum Hearth Area
35-1/2"W x 21-1/2"H x 17"D x 20-3/8"RW
41-1/2"W x 21-1/2"H x 17"D x 26-3/8"RW
Blower
Optional
Optional
Model
GCUF32/GRUF32
GCUF36/GRUF36
GCUF42/GRUF42
Actual Dimensions
37"W x 34-1/2"H x 16"D
41"W x 34-1/2"H x 18"D
41"W x 37-3/8"H x 18"D
Framing Dimensions
37-1/4"W x 35"H x 15-1/2"D
41-1/4"W x 35"H x 17-1/2"D
47-1/4"W x 35"H x 17-1/2"D
Viewing Area
21-7/8"H x 29-7/8"W (653SQ. IN.)
21-7/8"H x 34"W (743SQ. IN.)
21-7/8"H x 40"W (875SQ. IN.)
Minimum Hearth Area
29-7/8"W x 21-7/8"H x 13-1/4"D x 23-3/8"RW
34"W x 21-7/8"H x 15-3/4"D x 27-3/8"RW
40"W x 21-7/8"H x 15-3/4"D x 33-3/8"RW
Blower
Optional
Optional
Optional
Model
MCUF36
MCUF42
Actual Dimensions
41"W x 37-3/8""H x 18"D
47"W x 34-1/2 H x 18"D
Framing Dimensions
41-1/4"W x 37-5/8"H x 17-3/4"D
47-1/4"W x 37-5/8"H x 17-3/4"D
Viewing Area
25"H x 32-1/8"W (803SQ. IN.)
25"H x 38-1/8"W (953SQ. IN.)
Minimum Hearth Area
32-1/8"W x 25"H x 14-3/4"D x 25-3/4"RW
38-1/8"W x 25"H x 14-3/4"D x 31-3/4"RW
Blower
Optional
Optional
Model
LCUF32
LCUF36
Actual Dimensions
37"W x 34-3/8"H x 16"D
41"W x 37-3/8"H x 18"D
Framing Dimensions
37-1/4"W x 34-5/8"H x 15-1/2"D
41-1/4"W x 37-5/8"H x 17-1/2"D
Viewing Area
28"H x 28-5/8"W (801SQ. IN.)
30-1/4"H x 32-1/2"W (983SQ. IN.)
Minimum Hearth Area
28-5/8"W x 28"H x 12-3/4"D x 26-3/8"RW
32-1/2"W x 30-1/4"H x 15"D x 25-7/8"RW
Blower
Not Optional
Not Optional
Model
STFL36
PFL36
RCFL36/LCFL36
Actual Dimensions
39-1/2"W x 37-3/4"H x 23-3/4"D
39-1/2"W x 37-3/4"H x 23-3/4"D
39-1/2"W x 37-3/4"H x 23-3/4"D
Framing Dimensions
40"W x 38"H x 22-1/2"D
39"W x 38"H x 22-1/2"D
39"W x 38"H x 23-1/8"D
Viewing Area
21-1/2"H x 36"W (774SQ. IN.)
21-1/2"H x 36"W (774SQ. IN.)
21-1/2"H x 36"W (774SQ. IN.)
Minimum Hearth Area
36"W x 21-1/2"H x 20-1/4"D
36"W x 21-1/2"H x 20-1/4"D
36"W x 21-1/2"H x 20-1/4"D
Blower
Optional
Optional
Optional
STANDARD FEATURES:
• CSA design certified to fit most 18," 24," and 30"
vent free log sets
• Zero clearance design for ease of installation
• Gas knock out available on left and right side of units
• No expensive flue, or hearth required making installation versatile
• Gas knock out available on left and right side of units
• No expensive flue, or hearth required making installation versatile
• Outside air kit option
• Standard curtain mesh screens for true fireplace appeal
• Standard junction box included for electrical hook up blower kit
• Standard curtain mesh screens for true fireplace appeal
• Standard junction box included for electrical hook up blower kit
(except LCUF)
BUF:
• Available with true 36" and 42" fireplace opening
• Shipped standard with refractory firebrick
• Radiant face design with heat circulating air ducts for optional
• Shipped standard with refractory firebrick
• Radiant face design with heat circulating air ducts for optional
blower
• Can be installed with non-combustible material up to the open-
ing of fireplace for true masonry look
GCUF/GRUF:
• Available with true 32," 36," and 42" fireplace opening
• Can be ordered with black box interior, with standard Cottage
• Can be ordered with black box interior, with standard Cottage
Clay firebrick, or refractory firebrick
• Available in Radiant Face or Circulating Face designs
• Radiant design with heat circulating air ducts for optional
blower
• Can be installed with non-combustible material up to the open-
ing of fireplace for true masonry look
MCUF Magnum:
• Available with true 36" and 42" fireplace opening
• Available with Cottage Clay firebrick or refractory Herringbone
• Available with Cottage Clay firebrick or refractory Herringbone
firebrick
• Radiant face design with heat circulating air ducts for optional
blower
• Can be installed with non-combustible material up to the open-
ing of fireplace for true masonry look
LCUF Lo-Rider
• Available with true 32" and 46" fireplace opening
• Available with refractory Herringbone firebrick
• Tallest opening available for full view of fire
• Available with refractory Herringbone firebrick
• Tallest opening available for full view of fire
• Installs with base almost flush with finished hearth area
• Can be installed with non-combustible material up to the open-
• Can be installed with non-combustible material up to the open-
ing of fireplace for true masonry look
Cottage Red fire-
brick
Cottage Clay fire-
brick
Medium
Pewter trim
Medium
Brass trim
Medium
Black tarim
Optional Accessories
• FA2 blower option for BUF fireboxes
• AK4 outside air kit for all fireboxes
• BLOTMC blower option for GCUF/GRUF and MCUF
• AK4 outside air kit for all fireboxes
• BLOTMC blower option for GCUF/GRUF and MCUF
fireboxes
• Black radiant face kit for GCUF circulating models to
convert to radiant models
• Curved Black, Brass, and Pewter trim kits for
GCUF/GRUF/MCUF/LCUF fireboxes
• Medium Black, Brass, Pewter trim kits for GCUF
fireboxes
• Optional Cottage Clay and Cottage Red firebrick for
GCUF/GRUF fireboxes
• Optional Polished Brass hoods for
GCUF/GRUF/MCUF/LCUF fireboxes
• Optional Classic and Manor faces available for
GCUF/GRUF/MCUF fireboxes
• Optional corner or wall cabinets for
GCUF/GRUF/MCUF/LCUF fireboxes
Variable speed blower optional
Lo-Rider Designers
• Available in Peninsula, See-Thru and Left & Right Corner styles
• Available with refractory Herringbone firebrick
• Tallest opening available for full view of fire
• Radiant face design with heat circulating air ducts for optional
• Available with refractory Herringbone firebrick
• Tallest opening available for full view of fire
• Radiant face design with heat circulating air ducts for optional
blower
• Installs with base almost flush with finished hearth area opening
of fireplace for true masonry look
• Can be installed with non-combustible material up to the open-
ing of fireplace for true masonry look
Classic faces available for GCUF/GRUF/MCUF fireboxes
Manor faces available for
GCUF/GRUF/MCUF fireboxes
GCUF/GRUF/MCUF fireboxes