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Slimline Elegance. Striking Realism.
Experience the epitome of modern elegance and intelligent space-saving design with the Ultiflame Ultra SL Adonis electric fire.
Featuring a sleek, glass-fronted design and a beautifully curved cast iron fascia in black, the Ultra SL Adonis delivers contemporary sophistication in a compact, slimline format - ideal for apartments, smaller living rooms, and stylish modern interiors.
Powered by advanced Multi Flame Projection Technology® and Living Ember Bed Technology®, this fire creates a mesmerisingly realistic flame display with exceptional depth, colour, and movement.
Immersive Flame Experience
- Multi Flame Projection Technology® for layered depth and motion
- Living Ember Bed Technology® recreates the glow of real embers
- Natural Oak logs & wood chips for authentic realism
- Fully customisable fuel bed
- Adjustable flame speed – from gentle flicker to lively flame
- 16 pre-set colour modes plus Animation mode
- LED brightness control
The result is a captivating flame effect that transforms your room into a warm and inviting retreat.
Smart Control & Connectivity
Control your fire effortlessly:
- Thermostatic remote control
- Manual control panel operation
- CELSI Smart App (iOS & Android)
- Amazon Alexa & Google Assistant compatible
Adjust flame colour, speed, brightness, and heat settings from your handset, smartphone, tablet, or voice assistant.
Design & Installation
- Glass-fronted inset electric fire
- Slimline inset rebate: 70mm
- Fitted with a 40mm fixed spacer for easy manual control panel access
- Curved cast iron fascia in black finish
An optional Flat-to-Wall Spacer Frame is available for installations where inset depth is limited.
Key Features
- Glass-fronted electric fire
- Slimline space-saving design
- Multi Flame Projection Technology®
- Living Ember Bed Technology®
- Natural Oak logs & wood chips
- Customisable fuel bed
- Flame speed control
- 16 pre-set colours + Animation mode
- LED brightness control
- Thermostatic remote & manual operation
- CELSI App controllable (iOS & Android)
- Amazon Alexa & Google Assistant compatible
Refined Flame. Minimal Space.
The Ultra SL Adonis combines cutting-edge flame technology with elegant cast iron styling — delivering a slim, sophisticated fireplace solution without compromising on realism or performance.
Slimline Elegance. Striking Realism.
Experience the epitome of modern elegance and intelligent space-saving design with the Ultiflame Ultra SL Adonis electric fire.
Featuring a sleek, glass-fronted design and a beautifully curved cast iron fascia in black, the Ultra SL Adonis delivers contemporary sophistication in a compact, slimline format - ideal for apartments, smaller living rooms, and stylish modern interiors.
Powered by advanced Multi Flame Projection Technology® and Living Ember Bed Technology®, this fire creates a mesmerisingly realistic flame display with exceptional depth, colour, and movement.
Immersive Flame Experience
- Multi Flame Projection Technology® for layered depth and motion
- Living Ember Bed Technology® recreates the glow of real embers
- Natural Oak logs & wood chips for authentic realism
- Fully customisable fuel bed
- Adjustable flame speed – from gentle flicker to lively flame
- 16 pre-set colour modes plus Animation mode
- LED brightness control
The result is a captivating flame effect that transforms your room into a warm and inviting retreat.
Smart Control & Connectivity
Control your fire effortlessly:
- Thermostatic remote control
- Manual control panel operation
- CELSI Smart App (iOS & Android)
- Amazon Alexa & Google Assistant compatible
Adjust flame colour, speed, brightness, and heat settings from your handset, smartphone, tablet, or voice assistant.
Design & Installation
- Glass-fronted inset electric fire
- Slimline inset rebate: 70mm
- Fitted with a 40mm fixed spacer for easy manual control panel access
- Curved cast iron fascia in black finish
An optional Flat-to-Wall Spacer Frame is available for installations where inset depth is limited.
Key Features
- Glass-fronted electric fire
- Slimline space-saving design
- Multi Flame Projection Technology®
- Living Ember Bed Technology®
- Natural Oak logs & wood chips
- Customisable fuel bed
- Flame speed control
- 16 pre-set colours + Animation mode
- LED brightness control
- Thermostatic remote & manual operation
- CELSI App controllable (iOS & Android)
- Amazon Alexa & Google Assistant compatible
Refined Flame. Minimal Space.
The Ultra SL Adonis combines cutting-edge flame technology with elegant cast iron styling — delivering a slim, sophisticated fireplace solution without compromising on realism or performance.
