The s21 model is a wood-burning insert with retractable glass. Its understated simplicity is as enviable as its warmth - the focus here is on the purity and beauty of the fire. The model comes in a number of formats, including single-sided or doublesided. Cladding – front panels and ready-to-fit – enhances the s21 so that it blends in seamlessly with its surroundings. Accessories that are both practical beautiful complete the range.

When you choose Stuv, you can enjoy guaranteed quality and simplicity. Designed to be built in, the s21 is easy to The different cladding options available give instal and straightforward to use. Totally un- it a stylish finish, making sure it blends in pretentious, it offers the perfect view of your perfectly with its surroundings. fire.

Energy efficiency class Energy efficiency index Output Output range Nominal efficiency Seasonal efficiency Fine particle emissions CO emissions NOx emissions COV/COG emissions Range of wood consumption Logs - Maximum length Weight Standards

EcoDesign 2022 EcoDesign 2022 EcoDesign 2022 *For more information on our products, visit: stuv.com

[D] Height high outlet [E] Device height without full raise [F] Device height with full raise [G] Flue axis - side [H] Flue axis - rear [I] Smoke outlet diameter [J] Damper shelf height [K] Front radiation zone * Caution: be sure to add the insulation thicknesses defined by your local regulations to the dimensions of the recess. The appliance must be professionally installed by an authorised dealer/installer. To ensure the performance and compliance of your appliance, refer exclusively to the installation manual available at www.stuv.com

Energy efficiency class Energy efficiency index Output Output range Nominal efficiency Seasonal efficiency Fine particle emissions CO emissions NOx emissions COV/COG emissions Range of wood consumption Logs - Maximum length Weight Standards

*For more information on our products, visit: stuv.com

[D] Height high outlet [E] Device height without full raise [F] Device height with full raise [G] Flue axis - side [H] Flue axis - rear [I] Smoke outlet diameter [J] Damper shelf height [K] Front radiation zone * Caution: be sure to add the insulation thicknesses defined by your local regulations to the dimensions of the recess. The appliance must be professionally installed by an authorised dealer/installer. To ensure the performance and compliance of your appliance, refer exclusively to the installation manual available at www.stuv.com 11

When you choose Stûv, you are keeping the flames of togetherness burning. The double-sided s21 has retractable glass on both sides. Installed between two rooms, you can enjoy looking at the fire from either side. The different cladding options available give it a stylish finish, making sure it blends in perfectly with its surroundings, whatever the architecture.

Energy efficiency class Energy efficiency index Output Output range Nominal efficiency Seasonal efficiency Fine particle emissions CO emissions NOx emissions COV/COG emissions Range of wood consumption Logs - Maximum length Weight Standards

EcoDesign 2022 EcoDesign 2022 EcoDesign 2022 *For more information on our products, visit: stuv.com

[D] Height high outlet [E] Device height without full raise [F] Device height with full raise [G] Flue axis - side [H] Flue axis - rear [I] Smoke outlet diameter [J] Damper shelf height [K] Front radiation zone * Caution: be sure to add the insulation thicknesses defined by your local regulations to the dimensions of the recess. The appliance must be professionally installed by an authorised dealer/installer. To ensure the performance and compliance of your appliance, refer exclusively to the installation manual available at www.stuv.com 21

Energy efficiency class Energy efficiency index Output Output range Nominal efficiency Seasonal efficiency Fine particle emissions CO emissions NOx emissions COV/COG emissions Range of wood consumption Logs - Maximum length Weight Standards

*For more information on our products, visit: stuv.com

[D] Height high outlet 1320 mm [E] Device height without full raise 1115 mm [F] Device height with full raise 1295 mm [G] Flue axis - side 625 mm [H] Flue axis - rear 336 mm [I] Smoke outlet diameter 300 mm [J] Damper shelf height 158 mm [K] Front radiation zone 2000 mm * Caution: be sure to add the insulation thicknesses defined by your local regulations to the dimensions of the recess. The appliance must be professionally installed by an authorised dealer/installer. To ensure the performance and compliance of your appliance, refer exclusively to the installation manual available at www.stuv.com...

Frames The frames conceal the corners of the masonry around the fireplace, making it look wider. They come in thin and applied versions. Frames are available in Stuv Grey.

Front panels The front panels make installation easier: they conceal the whole recess, avoiding the need for any masonry work. They are available in Stuv Grey, Dark Grey, Concrete Grey, white and rust.

Ready to fit single-faced The ready-to-fit version is a great alternative for your wood-burner. It can be installed without the need for any major work, and incorporates all the features such as a log store and a convection air outlet. It is available in Stuv Grey, Dark Grey, Concrete Grey, white and rust.

Ready to fit double-faced The ready-to-fit version is a great alternative for your wood-burner. It can be installed without the need for any major work, and incorporates all the features such as a log store and a convection air outlet. It is available in Stuv Grey, Dark Grey, Concrete Grey, white and rust.

Colours The cladding colours for the front panels and ready-to-fit stoves have been carefully chosen to transcend time, offering elegance and understated style. If you’d like more customisation options, other colours are available. Please speak to your authorised dealer. Stûv Grey Dark Grey Concrete Grey Rust The rust finish is created thanks to the natural oxidisation process in a controlled environment. This process takes several weeks of work to achieve the desired effect. Just like works of art, the rust cladding options are unique, offering inspirational sophistication.