Kalorina Série 22 CL5 PelletA++Class 5
30–90 kW
Boiler with high energy and environmental efficiency designed for CO2-neutral heating with maximum efficiency and comfort for detached houses, semi-detached houses, blocks of flats, public institutions, small businesses and agricultural holdings.
Wide power modulation (1:4) adapting to any building energy demand
Kalorina K2203 CL5 PELLET — Présentation vidéo
Available models(3 variants)
Dimensions and architecture
Front view, side view with silo, top view — from the manufacturer's technical sheet.

Schema extracted from the official manufacturer's technical sheet. All dimensions (R, S, K, H, N, C, P, B, L, A, O, Q) are detailed in the full PDF.
Manufacturer-certified fuels
Compliant with European EN ISO 17225 standards — performance guaranteed by the original technical sheet.
Wood pellets
Cylindrical compressed wood pellets, Ø6 to 8 mm, moisture < 10%. Standard high energy density fuel.
Log wood
Dry log wood, length 33 to 50 cm, moisture < 25%. Manual loading, autonomy depending on the firebox.
Specifications according to the manufacturer's technical sheet. Using non-compliant fuels voids the warranty and may shorten the boiler's lifespan.