CSI Compact model – boilers

CS Boilers
CSA Boilers
CSA GM Boilers
CSI Boilers
CLP Boilers
CLG Boilers
CS Small Boilers
CSL Boilers
GS Warm air generator
GSA Warm air generator
BS Automatic Burners
BSA Automatic Burners
CLS Firewood Boilers
CLS Firewood Boilers
A-V Small Steam Boilers
TA-V Steam Boilers
TA-S Steam Boilers
TFA-V Steam Boilers

CSI COMPACT model boilers

UNI EN 303-05
(class 3)

CSI Compact 20-40 (kw)

CSI COMPACT Boilers D'Alessandro Termomeccanica
Brochure csi compact 20-40 CSI Compact 20-40 (kw)

Technical Features

Smoke circuits boiler type “Marine” with water production for heating; Boiler shell in steel; Doors for internal inspections and boiler cleaning; Cast iron burner with mechanical feeding system; Hopper for the combustible material; Variable speed screew for automatic feeding; Primary and secondary combustion air system; Rotary valve (to prevent smokes return into the hopper); Electronic board for combustible automatic ignition, fire maintenance and modulation; Minimum level sensor in the hopper; Voltage: 230 V.

Power Table (kw)

Nominal Outputs 20 30 40
Firebox Outputs 24 34,9 47

Combustibles Materials

Nut shells and almond shellsNut shells and almond shells
Olive husksOlive husks


  • Electronic board for combustible automatic ignition, fire maintenance and modulation with lambda sensor control device for CSI COMPACT 20-40 mod. boiler
  • Retards for heat maintenance in the tubes nest
  • Kit for sanitary water production, (efficiency output: from 20 to 33 kW; complete with exchanger plates, pump circulation, flow switch and three way valve)
  • Inner kit equipped with devices for sanitary water production (as specified above), expansion vessel and filling group for CSI COMPACT 20-40 mod. boiler
  • Automatic combustible feeding system supplied with electric board and capacitive sensors (min/max)

Optional Optional