Designations
Sku NBU/500/700/KONF
Specification
Rated output (kW) 11
Heating efficiency (%) 83
Meets requirements
  • Ecodesign
  • Designed for recuperation
  • KRATKI PRO
  • BImSchV 2
Shipping
Availability 14 days of implementation Low stock
Expected delivery date 12.06 - 13.06
Shipping from €102.62
Or pay directly:
Front type
Flue outlet diameter (mm)
Version
Three-sided lift-up
Lining color
White
Black
Self Closure
From €4,855.14
Price includes VAT

Description

Three-sided glazed NBU insert has unique aesthetic and exceptional functionality. Besides visual effects, the insert guarantees efficient heating and ecological wood combustion. Due to the application of modern materials and innovative technical solutions, it is characterized by outstanding look as well as intuitive operation. One of its many advantages is the possibility of fitting an air inlet outside. The elegance of the insert is provided by decorative glazing of glass type. Moreover, a parental lock protects from uncontrolled door opening.

SAFETY ON THE HIGHEST LEVEL

The insert provides operational safety since it has a parental lock, protecting from uncontrolled door opening.

Front of the insert is equipped with heat-resistant ceramic withstanding temperatures up to 660°C. We offer glass certified with quality and safety.

The body and the front of the insert are resistant to high temperatures through the use of high-quality steel.

The door frame is made of a closed profile, which enables stability and resistance to stresses occurring during working in high temperatures. The door gasket is fitted in a specially profiled slot, enabling its tight holding and preventing it from falling out.

Excellent tightness thanks to the solid welding made in the shielded noble gas. Steel elements are laser cut with the help of modern equipment, and then they are bent on CNC benders.

ECOLOGICAL COMBUSTION

The unit meets the requirements of Ecodesign standards and the restrictions of the BImSchV 2 standard, which determines the maximum CO emission.

COMFORTABLE USE

The door works with the “lift up” system – the glass is raised. The system was made based on counterbalance blocks with the steel tripwire working in guideways on 4 (2 for one side) bearing discs, thanks to which the door weight is distributed evenly. They move along sliding guideways fitted in the frame, which guarantees light, silent, and failure-free work. Loading large amounts of wood by lifting up and pulling down the door at one time is possible. An additional mechanism, enabling double-sided glass opening, helps with its cleaning.

Reduced soot deposition through a clean glass system (air curtain). An air curtain separates the glass from the chamber. Thanks to that, the glass doesn’t become dirty and emit more heat into the room.

A Special profiled bottom plate of TERMOTEC is used in this insert. Thanks to that, the chamber of the fireplace is bigger, and a larger amount of wood can be put inside.

Keeping the insert clean is easier thanks to fitted ash grate and container where ash is accumulated.

MAXIMUM USE OF ENERGY

More efficient combustion and longer temperature maintenance by lining the combustion chamber with ceramic material TERMOTEC, accumulating heat, and raising the temperature in the furnace.

Full combustion on the dust thanks to the deflector, which extends the exhaust path. This process increases the efficiency of burning and guarantees better energy use. It also minimizes the emission of harmful substances into the atmosphere.

The insert has a triple air-supply system of the combustion chamber, thanks to which the wood burning in the insert is ecological and, most importantly - economical.

Primary air is supplied to the insert thanks to the built-in 125 mm external air inlet. The air inlet is located at the bottom of the insert. Insert has a cover plate on the back wall and a hole in its base. Thanks to it, the user can choose how to connect the external air kit. Air adjustment is done with a throttle adjustable by a regulator below the door. This solution prevents improper usage. The whole mechanism works quietly and without fail.

The insert is equipped with a clean glass system; thanks to the so-called curtain, the air stream is distributed evenly, covers the glass, and limits settling soot to the minimum. It allows the glass to remain attractive and clean for a long time.

ECOLOGICAL COMBUSTION

NBU model meets the requirements of the restrictive norm BlmSchV 2, determining maximum CO emission.

MODERN DESIGN

NBU pays attention to modern design and aesthetic finishing. It impresses with a harmonic fire vision, giving the interior a unique style. The warmth radiates not only frontally but also laterally.

The insert has singular decorative glass. Thanks to that, it looks elegant and modern. Such a solution visually enlarges the front of the insert and emphasizes the view of the fire.

The door of the insert has a comfortable handle.

Technical data

General data
VersionThree-sided lift-up
Rated output (kW)11
Heating power range (kW)4.5 - 14.0
Heating efficiency (%)83
Exhaust gas temperature (℃)180
Max length of logs (cm)50
Min inlet grids active field (cm2)≥700
Min outlet grids active field (cm2)≥900
Flue outlet diameter (mm)200
ColorBlack
Self ClosureNo
MaterialsSteel
Door opening directionUp
Energetic efficiency
Energy classA+
Energy efficiency index (EEI)111.4
Moc cieplna do ogrzewania pomieszczeń (kW)11
CO emissions (at 13% O 2 ) ≤ given in %0.09
Dust emission (mg/Nm3)17
Certifications / Compliance
Meets requirementsEcodesign, Designed for recuperation, KRATKI PRO, BImSchV 2
Additional information
Design featuresAir intake - built in , Decorative glass, Ashpan, Combustion chamber lining
Front typeSteel front with painted glass
Type of fuelSeasoned deciduous wood (humidity ≤20%)
EAN5901350034415
Physical parameters
Width (cm)57.8
Height (cm)147.1
Depth (cm)102

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Tooltip

    Warranty and returns

    Warranty

    All products on www.kratki.com are brand new, free from physical and legal defects and have been legally launched on the Polish market. The manufacturer gives a 5-year warranty on the proper functioning of the fireplace stove from the moment of its purchase. Fireplace grates and seals are covered by a guarantee for a period of 1 year from the time of purchasing the fireplace stove. The guarantee does not cover: heat resistant ceramics. The use of the fireplace stove, method of installation to the chimney and operating conditions must be in accordance with the instruction manual.

    Returns

    A Customer being a Consumer, who has concluded the Sales Contract may rescind thereof within a period of 14 days without giving any reasons. The time limits run for the rescission of the Sales Contract shall commence at the time of acquiring the Goods by the Customer or a third party of their choice, other, however, than a carrier. The representations may be submitted in a form whose template has been published by the Seller at the Online Shop Website.

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