Kumulator is steel water boiler designed for combustion of wood and coal. The boilers with output of 20 kW can be used for heating of small buildings such as family houses, lodging-houses, motels, workshops, etc. The boiler’s output could reach 40 kW and could be suitable for heating of buildings up to 500 m2 of area like: houses, small comerical buildings, apartment houses, etc.

Recommended fuel :

- wood for heating systems (14-18 MJ/kg)
- stone coal

· Possibility of combustion of cheapest fuel like: 50 cm long wood (dry or fresh) and coal
· Big loading chamber and comfortable loading doors
· 4 pass structure and ceramics archives good efficiency and working time about 6-8 hours on one loading of the wood and 14-20 hours on one portion of coal
· Mechanical plate system enables easy clean of the combustion chamber


Boiler contains :
-3pass boiler made from steel (5/6 mm ) with iron coast grill in combustion chamber
-EN 303-5 overheating spirall exchanger for closed installation systems
-Ash drawer and manuall temp regulator
-Combustion chamber with ceramics allows to burn 50 cm long wood !

Technical data:

efficiency:  82 %

fluegasses temp: 240 st C

emissions level: am. EN 303-5 Norm