Kalorina Série 21AClass 3
23–78 kW
Natural draught wood boiler with an excellent price-quality ratio. Used in single-family and two-family homes, farms and small commercial enterprises.
Natural draught combustion system
Kalorina 2103 — Vue frontale
Available models(5 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.
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.