Hello There!
You must fill all the required fields.
Your Cart is Empty

Oh no! It seems like you don't have anything in your shopping cart. Time to fix that.

Flex 158DB.BX2

Providing unobstructed views of EcoSmart's flickering flame from both sides, Flex 50DB Double Sided Firebox's see-through design injects warmth and ambiance in two adjacent rooms.

  • Multi Room Application
  • 2 Open Sides - view the flame from the front and the back
  • Use Indoor or Outdoor
  • Includes decorative Lava Rock
  • Burners are Stainless Steel
  • Colours: Black
  • Fuel: Bioethanol
or Enquire About
The Flex 158DB.BX2 is a manufacturer approved surround for the UL Listed XL900 burner.

Find technical information about this product. If you can't
find what you need, please contact our team.



  • Weight 430lb
  • Dimensions H 31.77in W 167in D 13.94in
  • Materials Mild Steel & Toughened Glass
  • Colours Black
  • Compatible Burner XL900
Our fireboxes are manufactured to the highest standards and in accordance with ISO 9001:2008.

Compatible Burners:


Our burners are engineered to offer industry leading burn times,
a stable flame pattern and will last a lifetime.

Volume Capacity
7.1 Gal
27 L
Heats on Average
Minimal Room
Thermal Output
45000 BTU/hr
13.20 kW/h 48 MJ/h
Fuel Efficiency
7.1 Gallons
*These values are indicative only and may vary depending on the model purchased, installation environment, and the composition of the e-NRG bioethanol sourced in each country.

Included Accessories

Included Accessories
Operational Accesories
The Flex Series comes with accessories to ensure its safe operation, including: Jerry Can, Fire Lighter, Lighting Rod, Chosen Burner, and Toughened Starfire Glass Wind Screen.
User Manual
User Manual
Our fireplaces come with an Installation, Operation and Maintenance Manual.
Bioethanol Fuel

The Best Fuel

Fire up your ethanol fire with the highest quality, cleanest burning bioethanol available.

  • Best Flame
    Burning bioethanol fuel creates a beautiful orange
    flame that is simply mesmerising.
  • Clean Burning
    Lose the chimney and the flue and keep the
    heat in - no smoke, no soot, no ash.
  • Lowest Odour
    Specifically formulated for use in ventless
    ethanol fires - your comfort first.
  • Longest Burning Time
    Tested against a multitude of formulas to ensure
    it burns for the longest time.
  • Order Online
    The convenience of efficient
    delivery to your door.
  • Flame Arrester
    Our bottles are fitted with a flame arrester
    which makes it the safest available.

Double Sided Fireplace Models

Model Name
Model SKU
Included Burners
Average Heats
Minimum Room
Flex 50DB by EcoSmart Fire
Flex 50DB XL900
Burner XL900
Heats 646ft2
Room 3885ft3
Width 57.87in
Depth 13.94in
Height 31.77in
Flex 68DB by EcoSmart Fire
Flex 68DB.BX1 by EcoSmart Fire
Flex 68DB XL Series
Flex 68DB.BX1 XL Series
Burner XL700 [x2] XL900
Heats 1076ft2 646ft2
Room 3885ft3
Width 75.98in 75.98in
Depth 13.94in 13.94in
Height 31.77in 31.77in
Flex 86DB by EcoSmart Fire
Flex 86DB.BX1 by EcoSmart Fire
Flex 86DB.BX2 by EcoSmart Fire
Flex 86DB XL Series
Flex 86DB.BX1 XL Series
Flex 86DB.BX2 XL Series
Burner XL900 [x2] XL700 [x2] XL900
Heats 1292ft2 1076ft2 646ft2
Room 3885ft3
Width 94.09in 94.09in 94.13in
Depth 13.94in 13.94in 13.94in
Height 31.77in 31.77in 31.77in
Flex 104DB.BX1 by EcoSmart Fire
Flex 104DB.BX2 by EcoSmart Fire
Flex 104DB.BX1 XL Series
Flex 104DB.BX2 XL Series
Burner XL900 [x2] XL700 [x2]
Heats 1292ft2 1076ft2
Room 6357ft3
Width 112in 112in
Depth 13.94in 13.94in
Height 31.77in 31.77in
Burner XL900 [x3] XL900 [x2]
Heats 1938ft2 1292ft2
Room 7769ft3
Width 130in 130in
Depth 13.94in 13.94in
Height 31.77in 31.77in
Burner XL900 [x3]
Heats 1938ft2
Room 11654ft3
Width 148in
Depth 13.94in
Height 31.77in
Burner XL900 [x3]
Heats 1938ft2
Room 11654ft3
Width 167in
Depth 13.94in
Height 31.77in
* Flex Series models are manufacturer approved surrounds for the UL Listed XL900 & XL700 burners.