Ecosmart FLEX 18IL Island Fireplace User Guide
Quick guide for the Ecosmart FLEX 18IL Island Fireplace. Includes technical specifications, installation features, safety information, and usage guidelines.
Quick answers from the manual
Quick answer
- The Ecosmart FLEX 18IL is an island fireplace designed for indoor and outdoor use, featuring zero-clearance construction and clean-burning e-NRG bioethanol fuel. p. 1, 2, 3
Key actions
- Verify cut-out dimensions before installation. p. 3
Technical specifications
| Parameter | Value | Meaning | Pages |
|---|---|---|---|
| Weight | 22.2kg | Total weight including burner, glass, and charcoal. | p. 3 |
| Burn Time | 8-11 hours | Approximate burn time per full tank. | p. 3 |
Where to find it in the PDF
- Product Title p. 1
- Features and Accessories p. 2
- Technical Specifications p. 3
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
The Ecosmart FLEX 18IL is an island fireplace designed for both indoor and outdoor use. It features a zero-clearance construction, allowing it to be framed into wood or metal studs. The unit uses clean-burning e-NRG bioethanol fuel. Before installation, verify that your cut-out dimensions match the physical model dimensions provided in this manual.

Product Overview
The FLEX 18IL is built to last with zinc-sealed steel construction and a high-temperature black powder-coated finish. Key features include:
- Clean Burning: Fueled by e-NRG bioethanol.
- Toughened Safety Screen: Integrated windscreen sits flush behind the frame to stabilize the flame in windy conditions.
- Room Divider Application: Four-sided fireplaces allow viewing from the front, back, and sides.
- Zero Clearance: Allows for flexible installation into wood or metal studs.
Technical Specifications
The following specifications apply to the FLEX 18IL (Model ESF.1.FX.18IL):

- Weight: 22.2kg (including burner, glass, and charcoal).
- Burner: AB3 x 1.
- Volume Capacity: 2.5 Litres.
- Burn Time: 8 - 11 hours (approximate).
- Heats on Average: Over 20 square metres (when used indoors).
- Minimum Room Size: 40 cubic metres per fireplace.
Accessories
The following items are included with your fireplace:

- Jerry Can
- Lighting Rod + Lighter
- Operations Manual
- Baffles
- Black Glass Charcoal
Optional decorative steel log sets are available for purchase separately. Note that decorative logs must NOT be placed directly over an open flame; they are designed to sit near the heat.
Safety and Installation
Ensure the fireplace is installed in a location that meets the minimum room size requirements. Always verify physical model dimensions against cut-out dimensions before beginning installation to ensure tolerances align. The fireplace is compliant with global standards, including UL Listed, EN 16647 BSI Certified, and ACCC Safety Mandate compliant.
Manufacturer information
EcoSmart
Practical help
Common problems
Decorative logs must NOT be placed directly over an open flame. They are designed to sit near heat but not over flames.
Physical model dimensions should be verified against cut-out dimensions BEFORE installation begins to confirm tolerances align.
Before use
- Ensure the installation location meets the minimum room size of 40 cubic metres.
- Verify that cut-out dimensions match the physical model dimensions.
- Use only e-NRG bioethanol fuel.
- Ensure the toughened safety screen is correctly positioned.
- Check that the fireplace is installed in a suitable indoor or outdoor environment.
Specs in practice
- Volume Capacity
- The fuel tank capacity of the burner, which is 2.5 Litres.
- Minimum Room Size
- The minimum volume of the room required for safe operation (40 cubic metres).
Images and diagrams
- The side view diagram illustrates the dimensions of the 18IL model, showing a width of 460mm and a height of 807mm.
Model compatibility
- Designed for both indoor and outdoor use.
- Compatible with optional decorative steel log sets.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.