Monessen Attribute 42" Vent Free Circulating Firebox

The Monessen Attribute 42" Ventless Firebox combines efficiency and style, making it a great addition to your home. It has reversible interior panels that offer two design choices on one panel, so you can customize it to match your decor. You can select from trendy grey, classic brown, or a modern reflective black glass finish to set the right mood in your space.

This firebox has advanced Monessen technology, including an angled design and specialized air channels that enhance heat distribution. This efficient setup improves airflow as it directs more warmth into your room while minimizing energy waste and lowering fuel costs. The unit also features hideaway screen pockets, allowing the mesh screens to be neatly tucked away for an unobstructed view of the fire when desired.

Ventless technology makes the Attribute 42 a practical solution for spaces where traditional venting is not feasible. 
It provides supplemental heat that is easy to install and cost-effective. It meets UL certification standards for your safety and reliability (ANSI Z221.91.A2002). 

Maintenance is made easy with Monessen's exclusive two-piece hearth design, allowing access without the need to remove the log set. The firebox has a generous viewing area measuring 42" x 27" (1134 sq in), creating an inviting display of the fire that enhances the ambience of your room. The unit dimensions are 48" W x 20" D x 34" H, with a back width of 37-1/4". The hearth dimensions include a front height of 25-1/2", a depth of 15", a rear width of 30-3/8", and a rear height of 22-5/8". This design is adaptable to various installation settings while maintaining both efficiency and style.

Features:

• Circulating firebox with radiant clean face
• UL design certified to ANSI Z221.91.A2002
• Features mesh screens with hide-away screen pockets, hood, and junction box
• Monessen exclusive two-piece hearth for easy access without removing log
• Proprietary Reversible Interior Panels standard, 2 aesthetics on 1 panel

Venting:

Insulated Flex Duct – Chimney Air Kits/Flex Duct

Used for bringing in outside air with insulation to improve thermal efficiency.

• ID4: 4" (100mm) Insulated Flex Duct for Outside Air
• Includes two 42" (1065mm) sections.
• For providing insulated air supply for combustion systems.

Outside Air Kit

Provides a complete solution for bringing in outside combustion air with an access door.

• AKD: Outside Combustion Air Kit with Access Door
• For easy access and controlled delivery of outside air to the combustion chamber.

Uninsulated Flex Duct – Chimney Air Kits/Flex Duct

For bringing in outside air without insulation.

• UD4: 4" (100mm) Uninsulated Flex Duct for Outside Air
• Includes two 42" (1065mm) sections.
• For providing outside air supply in settings where insulation is not required.

Specifications:

• Model: Attribute 42
• Unit Dimensions: 48" W x 20" D x 34" H
• Back Width: 37-1/4"
• Hearth Dimensions:
  • Front Height: 25-1/2"
  • Depth: 15"
  • Rear Width: 30-3/8"
  • Rear Height: 22-5/8"
• Viewing Area: 42" x 27" (1134 sq in)

**For more detailed specifications, please visit the Tech Specs tab.
**For detailed information and documents, please visit the Downloads tab, where you'll find PDFs and additional resources that are available for download.

SOMETHING TO CONSIDER BEFORE YOU PURCHASE A VENT FREE APPLIANCE:

Vent-Free sets are supplemental zone heaters - They are not intended for continuous use or whole house heating.

Glass doors must be wide open when burning for proper ventilation, proper combustion and cooling of safety controls. With adequate combustion and ventilation air, the damper may be closed for vent-free use. The damper may be opened slightly for reduced venting.
Check local codes and ordinances for permitted uses.

• In Most Cases, Vent Free Appliances Are NOT Approved For Bedrooms Or Bathrooms. 
• Select States And/Or Counties Within States May Not Allow Installation Of Vent Free Products. 
  • This includes but is not limited to: California, Minnesota, Wisconsin. 
  • Other states may have local restrictions such as Arizona, Nevada, Idaho, Alaska, Wyoming, New Mexico, North Dakota and South Dakota. Please check local codes before purchasing a Vent Free Appliance. 
• Vent free Products Are Not Suitable For People With Allergies Or Breathing Problems