Boiler Defro Optima Komfort 25 kW
OPTIMA KOMFORT boilers are equipped with horizontal-skew flue gas channels and are adapted for upper combustion of solid fuels. Operation process does not require use of electric energy - boilers are operating using natural draught and temperature is mechanically controlled using knob on lifting flap in ash-pan doors or using draught controllers (additional equipment). Boilers are factory adapted for installation of fan and electronic controller what significantly increases comfort. Large furnace chamber and arrangement of cleaning holes are only some of solutions ensuring high comfort.
- mix of coal and fine coal,
- wood in pieces,
- edgings and chips.
- 4 years for tightness of the boiler's exchanger.
- 2 years for other elements.
|Power output||25 kW|
|Exhaust gas pipe diameter||178 mm|
|Min. chimney diameter||180 mm|
|Size of heated surface||290 m²|
|Water capacity||82 L|
|Boiler heating surface||2.9 m²|
|Inner metal sheet thickness||6 mm|
|Max. water temperature||90 °C|
|Max working pressure||1.5 bar|
|Loading compartment dimensions||358x188 mm|
|Required chimney draught||28 Pa|
|Min. chimney height||7 m|
|Outlet and inlet size||1 1/2 inch|
|Min. incoming water temperature||65 °C|