HDG K10-33
The HDG K10-33 is characterised by maximum economy in all areas and the particularly small footprint.
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Inside view of the boiler
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1 - Pellet suction system2 - Pellet reservoir3 - Stoker auger4 - Ash container5 - HDG Control6 - Cleaning system7 - Burner pot8 - Ignition9 - Ash removal mechanism -
Technical data
K10
K15
K21
K26
K33
Nominal thermal power (kW) 9,9 15 21 25,9 32,5 Power range (kW) 3,0 - 9,9 4,3 - 15 6,3 - 21 7,6 - 25,9 9,8 - 32,5 Flue gas mass flow (kg/s) 0,0058 0,0085 0,0118 0,0146 0,0180 Water capacity (l) 39 39 47 47 47 Max. permissible operating pressure (bar) 3 3 3 3 3 Flue draught requirement (Pa) 5 5 5 5 5 Permissible flow temperature (°C) 60-75 60-75 60-75 60-75 60-75 Permissible flow temperature for buffer operation (°C) 85 85 85 85 85 Dimensions and weight
K10
K15
K21
K26
K33
Height incl. reservoir with suction system (mm) 1705 1705 1705 1705 1705 Width with suction system (mm) 1075 1075 1075 1075 1075 Depth without flue gas pipe connection with suction system (mm) 710 710 780 780 780 Flue gas pipe diameter (mm) 130 130 130 130 130 Weight (kg) 261 261 283 283 283 Energy label
K10
K15
K21
K26
K33
Boiler energy efficiency class A+ A+ A+ A+ A+ Boiler + controller energy efficiency class (class VI) A+ A+ A++ A++ A++ -
3D view
Say goodbye to your oil heating!
Pellet boilers have successfully established themselves as a climate-friendly heating
alternative in recent years. They offer unbeatable advantages over oil heating in particular!
Take advantage of the high government subsidies available today. Whether it's a
replacement bonus or a scrapping bonus – switching from an oil-fired heating system to a
pellet boiler is more worthwhile today than ever before.
Small and economical in every respect
Fits in (almost) any boiler room; heats incredibly economically and usually only needs to be emptied once a year: This is how our HDG K10-33 pellet boiler can be described in a nutshell!
The small footprint, flush wall installation on three sides and easy insertion through any standard door make the HDG K10-33 ideal for small and cramped boiler rooms.
Out with the oil heating, in with the pellet boiler: The HDG K10-33 is the ideal pellet boiler for renovating the heating system.
Fits through (almost) any door
The HDG K10-33 is delivered in separate parts and can be brought into the building through any standard door. Thanks to its low weight (heaviest component 170 kg) and compact dimensions, the pellet boiler also fits into cramped boiler rooms.
Easy installation
The HDG K10-33 is supplied largely pre-assembled. Only a few components then have to be assembled without water-carrying connections.
Extremely space saving
Thanks to the small footprint of only 0.75 square metres and the low height of 1.70 metres, the HDG K10-33 pellet boiler can be installed in almost any boiler room. The flush wall installation on three sides and the flue gas pipe that can be rotated upwards or backwards also make the installation extremely flexible.
Highest efficiencies
The particularly efficient combustion technology enables the lowest emission values far below the legal requirements. The precise air control with speed-controlled flue gas fan also achieves very good behaviour in part-load operation even without an accumulator.
Clean and convenient
The burner pot and heat exchanger are cleaned automatically and the combustion residues are compressed in the large-volume ash container. On average, this only needs to be emptied once a year. In addition to the entry-level version with an internal ash tray, a mobile ash container is also available on request.
Power-saving and quiet
The HDG K10-33 also excels in power consumption with maximum efficiency. For example, the HDG K10 only requires 28 watts in regular operation. Thanks to the noiseless and also power-saving ignition element, our pellet boiler is also extremely quiet to run.
HDG K10-26 calorific value
Thanks to condensing technology, the residual energy contained in the flue gases is also used to generate heat. In this way, the energy contained in the pellets is almost completely utilised.
This again significantly increases the efficiency.
The flushing function consisting of two independent circuits cleans the corrosion-resistant stainless steel heat exchanger and the condensate collector.
The boiler is also characterised by a particularly compact design and can be installed practically flush with the wall on two boiler sides. Insertion in separate parts makes installation particularly easy.
The HDG K10-26 condensing boiler is available in four output sizes.
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Technical data
K10 calorific value
K15 calorific value
K21 calorific value
K26 calorific value
Nominal thermal power (kW) 10,5 15,9 22,3 27,5 Power range (kW) 3,2-10,5 4,8-15,9 6,7-22,3 8,2-27,5 Flue gas mass flow (kg/s) 0,0056 0,0079 0,0109 0,0132 Water capacity (l) 53 53 61 61 Max. permissible operating pressure (bar) 3 3 3 3 Flue draught requirement (Pa) -15 (negative pressure) to +5 (positive pressure) -15 (negative pressure) to +5 (positive pressure) -15 (negative pressure) to +5 (positive pressure) -15 (negative pressure) to +5 (positive pressure) Permissible operating temperature (°C) 75 75 75 75 Dimensions and weight
K10 calorific value
K15 calorific value
K21 calorific value
K26 calorific value
Height incl. reservoir with suction system (mm) 1705 1705 1705 1705 Width with suction system (mm) 1075 1075 1075 1075 Depth without flue gas pipe connection with suction system (mm) 1015 1015 1085 1085 Flue gas pipe diameter (mm) 100 100 100 100 Weight (kg) 277 277 298 298 Energy label
K10 calorific value
K15 calorific value
K21 calorific value
K26 calorific value
Boiler energy efficiency class A++ A++ A++ A++ Boiler + controller energy efficiency class (class VI) A++ A++ A++ A++
Video of the HDG K10-33
Find out how easy it is to heat with the HDG and experience our economical pellet boiler as used by our customers.
Absolute control
Perfectly regulated with the HDG Control
The new HDG Control is the intelligent control centre for your entire heating system. Whether on the large touchscreen on the boiler or via the app: With HDG Control, you always have absolute control over your heating system.
- Read information and make settings via the easy-to-use touchscreen
- Control of combustion and output
- Control of external heat sources
- Integration of solar thermal systems, accumulators, heating circuits, mains pumps, domestic hot water preparation, etc.
- On request: Full web access and app for iOS and Android
From the warehouse to the boiler
Flexible storage technology for every area of application
With pellets, heating is convenient – including with regard to the storage of the small pressed wood pellets. Regardless of the structural conditions, a pellet boiler can be set up in almost any building thanks to HDG's flexible discharge technology – not only that, but it can be perfectly tailored to individual needs.
- Pellet mole: Ideal for individually planned fuel storage rooms and particularly quick to install. There is not usually any need for a sloping floor.
- Pellet suction probes: Most common storage system, because individual rooms are fully utilised. Variants with up to 8 probes are possible.
- Pellet fabric silo: Prefabricated pellet store, which is quickly installed without much planning effort. Can also be placed directly next to the boiler if no extra fuel storage room is available.