The Stûv 21/75 DF Double Sided Inset Wood Burning Stove is the most compact double-sided model in the Stûv 21 range, designed to bring a see-through real fire into two adjoining spaces without requiring the scale of the larger models. With retractable glass on both sides, it delivers transparency, flexibility and strong heating performance in a more manageable format.
The double-sided design allows the fire to be viewed from both rooms, making it ideal for dividing spaces while keeping them visually connected. The retractable glass can be raised to create an open-fire effect, while lowering the glass turns the appliance into a sealed high-efficiency stove. The glass door system is carefully designed so the runners and mechanism stay hidden, preserving the clean look of the opening. The door also tilts forward for easier cleaning and maintenance.
In performance terms, the 21/75 DF offers a rated output of 18.0 kW, an optimal range of 8.0 to 22.8 kW, 75.8% efficiency at rated power and an energy efficiency class of A. It accepts 50 cm logs, weighs 187 kg, and uses a 250 mm flue outlet. It also supports outside air connection, optional air ducting, optional fan assistance and optional barbecue use.
Key Features:
- Double sided inset wood burning stove
- Retractable glass on both sides
- See-through fire
- Open or closed fire use
- Rated output 18.0 kW
- Operating range 8.0 to 22.8 kW
- 75.8% efficiency
- Energy efficiency class A
- Accepts logs up to 50 cm
- Outside air connection
- Air ducting possible
- Optional fan
- Optional barbecue
- Hidden mechanism design
Expert Insight
The 21/75 DF is useful where a double-sided retractable fire is wanted but the installation cannot accommodate one of the wider DF models. It still delivers strong heat output, but in a narrower format that is easier to integrate between more compact spaces.
Suitability
The Stûv 21/75 DF Double Sided Inset Wood Burning Stove is well suited to smaller room-dividing fireplace projects, two-room connections and interiors where a see-through fire is wanted without the full scale of the larger models.
Installation / Technical Notes
This model weighs 187 kg, accepts 50 cm logs, uses a 250 mm flue, and requires a minimum combustion air section of 200 cm². Minimum insulation thickness is listed as not specified at rear, 14 cm at the sides, 0 cm above and 13 cm below.
Frames, Claddings And Front Panel Examples:
Front Panel Colour Options
19 heat resistant powder coated front panel colours to choose from including a rust option.
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