The Sky Large Tunnel is a double sided gas fireplace designed to create a dramatic visual link between two large living or commercial spaces. Its linear tunnel design offers a full, unobstructed view of the flames from both sides, with the Real Flame Burner and authentic cleaved wood logs providing a convincing wood fire effect. With adjustable outputs for natural gas (G20/G25) and propane (G31) and an 89% efficiency rating, it delivers both ambiance and dependable heat for larger areas.
Thanks to its minimal installation depth, the Sky Large Tunnel fits seamlessly into partition walls or central dividers, maximising open plan layouts. Optional Powerfan technology allows installation in challenging flue configurations, while anti reflective glass ensures a crisp flame view from both perspectives. Black reflective panels can enhance flame depth, and multiple control options, including a standard remote, Puck controller, app based Wi-Fi operation, or home automation—allow complete user flexibility. Additional features such as LED bottom lighting, access doors, wall switches, convection grilles, and the Invisimesh safety screen allow further customisation and functionality.
Built from durable black steel, the Sky Large Tunnel is engineered for long lasting stability and a sleek, contemporary finish. Its see through design not only provides warmth but also acts as a striking architectural feature that divides spaces while maintaining visual openness. With advanced burner technology, versatile installation options, and customisable features, the Sky Large Tunnel is an exceptional double sided gas fireplace for modern interiors.
Features & Benefits
- Double sided tunnel design – Creates a clear view of the fire from both sides, visually connecting rooms.
- Real Flame Burner with cleaved logs – Produces a lifelike wood fire effect for realistic ambiance.
- High efficiency (89%) – Delivers powerful warmth with reduced energy consumption.
- Slim installation depth – Fits seamlessly into partition walls or tight layouts.
- Optional Powerfan system – Allows installation where flue routing is complex.
- Anti reflective glass – Ensures a crisp, unobstructed flame view.
- Black steel construction with optional reflective panels – Provides durability and enhances flame depth.
- Multiple control options – Remote, Puck, Wi-Fi app, and home automation for user convenience.
- LED bottom lighting – Highlights architectural design and adds ambiance.
- Access door & convection grilles – Simplifies maintenance while optimising heat distribution.
- Invisimesh safety screen – Protects without obstructing the flame view.
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: | 4,3 – 13,0 kW |
|---|---|
| Net natural gas capacity (min-max) G20: | 4,6 – 13,7 kW |
| Net propane capacity (min-max) G31: | 4,1 – 12,5 kW |
| Efficiency: | 89% |
| Venting ø (mm): | 200/130 |


















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