Firebox with air jacket Prizma 16

Prisma 16 offers you an elegant and contemporary design. The prismatic shape of the door and the high-quality heat-resistant glass allows you to observe the beauty of the fire from three different sides. It is efficient and easy to use with 11 kW nominal power of the air jacket and quick access to the ashtray.

Quality from Gerkand!

Technical information

Nominal power in kW16
Maximum power in kW21
Air jacket nominal power in kW11
Overall dimensions (mm)750 x 490 x 1200
Weight (kg)125
Efficiency (%)74
Hearth Dimension (L x P x H) mm630 x 330 x 340
Glass dimension ( L/H ) mm140 х 420 x 140 x 370 х 4
Smoke exit positionUp
Chimney (mm)200
Maximum log size (mm)580
Finishing materials / thickness (mm)Steel, 4 mm
Type of cast ironGray Cast iron
Thickness of cast iron (mm)From 8 to 15
Gasket sealing materialsISO GLASS
Glass resistance and typeCeramic 750°C
Surface coatingHeat resistance to 600°C
Type of doorsteel
Type of handleCast iron
Emissions of CO (%)0.22
Exhaust temperature310 C
Mass flow of smoke (g/s)11,85
Dust concentration discarded in 13% СО2>53,8 mg/m³
Wood consumption (kg/h)4,8
Minimum distance to adjacent materials: rear / side / front / down (mm)200 / 200 / 1200 /400
Depression chimney required12 Pa
StandardEN 13229
Air flow850 m3/h
Fan powerMin 80w/h max 120w/h
Number of nozzles6 on the upper side
Air duct diameter100 mm

Product Benefits

  • prismatic door shape

  • 11 kW nominal power of the air jacket

  • heat resistant glass


  • 3 years warranty
  • Hand welded seams and assemblies
  • Cast iron foundry into the Gerkand factory
  • Business and individual high value service

Product variations

This firebox is also available in the following versions:

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