The Klimosz COMBI S boiler is a product made from the highest quality materials, as the production process meets the highest European quality standards. The 10-year warranty on the heat exchanger leak tightness is a proof of the durability and solidity of the construction.

The Klimosz COMBI S boiler is equipped with a highly efficient three-stroke cast iron heat exchanger with a wall width of 12mm. Exchangers of this type contain a large surface area to receive the heat given off when heating in the boiler using a retort burner. Boiler efficiency reaches up to 93.1%, thanks to this the Klimosz Combi S boiler is characterized by very low consumption, generating more heat per ton of fuel.

Basic fuel: black coal - eco-pea, pea, brown coal walnut2

The boilers comply with EKODESIGN, class 5.

Basic classification of cast iron boilers: the Combi NG and Combi EKO

Basic category differences:

1) Combi NG:

Equipment: 190 l tank, ecoCONTROL control unit.

2) Combi EKO:

Equipment: 320l storage tank, Klimosz KOMFORT control unit, WiFi module