The Stûv 21/75 SF Single Faced Inset Wood Burning Stove is the most compact single-sided model in the Stûv 21 range, designed to bring the signature Stûv retractable fire concept into smaller fireplace openings and more space-conscious interiors. It combines a clean built-in appearance with the flexibility to operate as either an open fire or a closed high-efficiency stove.
A key part of the Stûv 21 design is the slide-back glass. When the glass is raised, the fire behaves like an open hearth, giving a more direct flame experience and even allowing use with the optional barbecue accessory. When the glass is lowered, the appliance becomes a sealed wood burning stove with strong efficiency, greater safety and more controlled combustion. The exceptionally large glass panel ensures a clear view of the flames, while the door tilts forward for easier cleaning and maintenance.
The 21/75 SF is the narrowest single-faced model in this family, which makes it especially useful where the customer wants the look and function of a retractable built-in wood fire without moving to one of the wider formats. In performance terms, it offers a rated output of 13.7 kW, an optimal range of 7.5 to 18.1 kW, 77.8% efficiency at rated power and an energy efficiency class of A. It accepts 50 cm logs, weighs 182 kg, and uses a 180 mm flue outlet. It also supports outside air connection, optional hot air ducting and optional auxiliary ventilation.
Key Features:
- Single faced inset wood burning stove
- Retractable glass door
- Open or closed fire use
- Compact built-in format
- Rated output 13.7 kW
- Operating range 7.5 to 18.1 kW
- 77.8% efficiency
- Energy efficiency class A
- Accepts logs up to 50 cm
- Outside air connection
- Pivoting door for cleaning
- Optional barbecue
- Optional ventilation
- Optional claddings and facades
Expert Insight
The 21/75 SF is a strong option where a standard architectural retractable fire is wanted but the available width is more limited. It still gives the defining Stûv 21 features such as hidden mechanism, open-fire use and clean integration, but in a more compact single-sided format that is easier to place in smaller rooms and narrower chimney breast designs.
Because it is the smallest single-sided model in the range, it can also work well where the customer wants a more understated fire rather than a broad panoramic opening.
Suitability
The Stûv 21/75 SF Single Faced Inset Wood Burning Stove is well suited to smaller living spaces, compact architectural fireplace projects and interiors where a retractable built-in wood fire is wanted without the scale of the larger Stûv 21 models.
Installation / Technical Notes
This model weighs 182 kg, accepts 50 cm logs, uses a 180 mm flue, and requires a minimum combustion air section of 100 cm². Minimum insulation thickness is listed as 13 cm at the back, 13 cm at the sides, 0 cm above and 9 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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