Solid fuel boiler KALVIS K-2-20 N 20kW
Boiler model: K-2-20N
Nominal power, kW: 20
Heating area, m 2 (energy efficiency according to STR 2.01.02: 2016): for B-class buildings: 172 - 420, for C-class buildings:
92 - 220
Usable fuel: firewood, briquettes, wood waste, sawdust.
Efficiency, %: 82
Length of firewood, up to, cm: 40
Volume of the firebox, dm3 (l): 136
Water content in the boiler, l : 72
Chimney diameter, mm: Ø 160
Minimum draft of the chimney, Pa: 19
Total dimensions, HxWxL, mm: 1350x770x1210
Weight (gross), (±10%), kg: 360
Boiler casing warranty: 4 years
Country of manufacture: LITHUANIA
Solid fuel combustion boiler
High efficiency ratio (82%)
Compact, easy to fit in small spaces
High fuel load (42 dm³)
Automatically adjustable boiler temperature
Actuation and draft valves
Cleaning of the heat exchanger from both sides of the boiler
Steel thickness inside the walls – 6 mm
1. Room el. heating elements
2. Cooling coil
3. Smoke shut-off valve
4. Start valve
5. Flue and flue damper
6. Installation location of the smoke exhaust
7. Secondary air intake
8. Soot cleaning caps
9. Combustion chamber bricks
10. Ash drawer
11. Grid shaking mechanism
12. Grid
13. Traction control