The Summum 100 3 sided gas fireplace is a premium three-sided, see-through gas fire designed to create a striking focal point in contemporary interiors. Equipped with the advanced Real Flame Burner M LED, this built-in gas fireplace delivers an exceptionally realistic wood fire experience through dynamic flames, lifelike ceramic logs, and an illuminated LED fire bed. With an impressive 89% efficiency rating, the Summum 100 3/S provides powerful, energy-efficient heating using natural gas or propane.
Designed for architectural flexibility, the Summum 100 3/S features a minimal installation depth, making it ideal for open-plan spaces, room dividers, and modern layouts. Optional Powerfan technology allows installation in locations without traditional flue limitations, while low heat settings still maintain a full, beautiful flame picture. The fireplace is supplied as standard in black steel, with optional black reflective panels to enhance flame depth and visual impact from all three viewing sides.
Key features and benefits of the Summum 100 3/S gas fire include:
- Real Flame Burner M LED for ultra-realistic flames and authentic wood fire aesthetics
- High-efficiency gas fireplace with heat output up to 11.4 kW
- Multi-fuel compatibility: natural gas (G20/G25) and propane (G31)
- Smart control options including standard remote control, optional wall switch, Wi-Fi app operation, and home automation integration
- Extensive customisation with options such as anti-reflective glass, Invisimesh safety screen, convection grills, access door, and design accessories
Options Explained

- Black reflective panels – Intensify the flame effect by reflecting light back into the firebox for added depth and brightness.
- Anti-reflective glass – Minimises reflections so the flames remain clear from every angle in bright or open spaces.
- Operation via app (Wi-Fi kit) – Enables smartphone or tablet control, scheduling, and remote operation.
- Connect to home automation – Integrates the fireplace with smart home systems for centralised control.
- Puck controller – Compact wireless controller for fast, intuitive adjustments.
- Powerfan – Boosts flue performance, allowing installation even when the flue must travel long distances or take bends.
- Convection grills (built-in or surface-mounted) – Allow heat distribution through your chosen interior design approach.
- Wall switch – Simple, fixed position on/off and control interface.
- LED bottom lighting – Decorative base lighting that enhances the flame effect when the fire is on or off.
- Safety screen Invisimesh – Nearly invisible mesh screen providing safety while preserving the clean aesthetic.
- Access door – Allows easier servicing and maintenance without disturbing the installation.
Specification:
| Net natural gas capacity (min-max) G25: | 2,6 – 10,6 kW |
|---|---|
| Net natural gas capacity (min-max) G20: | 2,8 – 11,4 kW |
| Net propane capacity (min-max) G31: | 2,8 – 11,2 kW |
| Efficiency: | 89% |
| Venting ø (mm): | 130/200 |


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