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Ecosmart Flex 104SS.BX Bioethanol Fireplace Media Wall Insert

Mesmerising Flex 104SS.BX bioethanol fireplace by Ecosmart Fire; Zero clearance, open front, hole in wall modern fireplace insert with decorative box in black

This is a variant of the Flex 104SS bioethanol fireplace insert with a decorative box on the left or right-hand side. The design is fitted with a glass panel that divides the box and the Firebox and creates an attractive streamlined look. 

The Flex 104SS.BX is the most desirable flueless fireplace with this having the longest linear flamein the collection, created by including two of the XL900 ethanol burners. With an overall heating capacity of 120m2, this appliance is best suited to large open spaces - think hotel lobby, large open plan restaurants. The Flex 104SS.BX modern fireplace insert features an open side giving you the perfect front viewof the frame up to 13 hours, creating the perfect mood-setting. 

Your Flex bio fires wall fireplace comes complete with toughened glass which is designed to stabilise the flame even in windy conditions. The integrated windscreen sits flush behind the frame giving the Flex bio ethanol Fireplace a tidy well-constructed look. These beautiful and modern fireplaces by EcoSmart Fire provide you with ultimate comfort with your safety in mind. With virtually, no installation required you can simply fit the fireplace where you desire, ready for use right away. This luxurious model comes in a timeless black finish, with stainless steel burners, and decorative black glass charcoal to complete the look.

Add some charming stainless steel brass/copper logs for an eye-catching feature!

e-NRG bioethanol fires - The safer, eco-friendly fuel 

The e-NRG bioethanol fuel produces the best, most realisticbeautiful orange flames that are completely mesmerising. You and your guests will completely fall in love with the delicate flames that create a rhythmic flicker like a traditional campfire and can rise higher than any other competitor. 
The eco-friendly fuel is clean burning with no smoke, no soot and no ash. Bioethanol "bio fires" are a great alternative to gas fire for this reason. In comparison to other fuels on the market, the e-NRG bioethanol fuel not only produces the lowest odour but also has the longest burning time, putting your comfort first. This fuel has been tested on all EcoSmart Fire products, which is why we would recommend only the e-NRG brand. 


  • Modern fireplace with open flame

Linear with an open front allowing clear view of the beautiful smokeless orange flames

  • Built to last a lifetime

EcoSmart Fire has built the Flex Fireplace to last a lifetime and to be used both indoors and outdoors. The zinc sealed steel construction has been powder coated with super hi-temp black paint which prevents rusting.

  • Zero Clearance

The Flex is a true self-contained bio ethanol fireplace with its’ zero clearance construction meaning you can install this almost anywhere. With the added benefit of not needing a chimney or flue, this design allows you installation freedom. 

  • Reliable and certified

These models are manufacturer-approved for use with the corresponding BS EN16647 compliant burners. 

Weight & Dimensions

  • WEIGHT: 145kg [320lb]
  • MODEL DIMENSIONS mm [in]: W 2850 [112] D 365 [14.4] H 807 [31.8]
  • VIEWING AREA mm [in]: W 2650 [104] D 340 [13.4] H 502 [19.8]


  • VOLUME CAPACITY:18 L / 4.8 Gal
  • HEATS ON AVERAGE: 60m/ 646ft2
  • MINIMUM ROOM: 120m/ 7769ft3
  • THERMAL OUTPUT:30000 BTU/h / 8.8 kW 32 MJ/h
  • FUEL EFFICIENCY: 8 - 13h / 18 Litres
  • MATERIALS: Mild Steel & Toughened Glass

Accessories included

Lighting Rod
Jerry Can 5L
XL Baffles
Black Glass Charcoal
Fire Lighter
Bottle Adaptor


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Five Reasons an EcoSmart Fire Bioethanol Fire Pit is the Perfect Addition for Your Garden

You already know that EcoSmart Fire bioethanol fire pits are an excellent option for enhancing the ambience of your outdoor entertaining area. What better way to extend and enhance the use and enjoyment of your garden than to add an open flame heat source? But, what are the best reasons to get yours?

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Learn how to safely operate and clean your fire pit / ethanol burner with these simple and quick steps.
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Benefit from clean and efficient burning without the worry of installation with these eco-friendly bioethanol fires that are suitable for indoor and outdoor use.
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