ECOLOGICAL BOILER OPTIMA DS 14kW (5THE CLASS BY STANDARD PN-EN 303-5: 2012) COMPANY DEFRO
Brand: DEFRO
Product Code: as_DO_OPTDS14_413
Availability: Pre-Order
€2,184.68 Ex Tax: €1,776.16
OPTIMA DS



The bottom-loading coal-fired boilers meet the ecological standards of the 5th Class and Ecodesign.

Basic fuel:Black coal assortment
3-year warranty on the tightness of the heat exchanger, 2 years on the remaining elements and efficient operation of the boiler.
Heat exchanger made of certified high-grade steel.
High thermal efficiency up to 90% thanks to increased heat recovery from flue gas.
Mechanical adjustment of the combustion process by means of a knob in the ash pan and regulator door. Over.
Mechanical moving grate for ash removal of grates.
The boiler is factory equipped with a thermostatic draft regulator.
Nozzle reducing exhaust emissions (UP RP protection).
Large batch chamber.
Regulation of secondary air inlet.
NZ version - adapted for assembly in a closed system, reinforced construction, built-in cooling coil - optional extra charge.

Standard equipment:draft regulator, movable grate.

Optional equipment - at extra charge:NZ version for closed system, leveling feet.

1The maximum area of ​​heated rooms has been estimated for a unit
heat demand q = 70 W / m2.
2The weight of the boiler depends on its additional equipment.


The height of the boiler can be additionally adjusted using the attached feet.
The feet have a regulation range from 38 to 50mm.


Required boiler operation with storage tank..


Elements of additional equipment should be reported when ordering the boiler due to the lack of possibility of subsequent installation.

BOILER DIMENSIONS



Product available on request. Delivery costs set individually, please email, use contact form or call us to determine the cost of delivery.

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