KWB Easyfire 10-35 kW

KWB – premium Austrian pellet heating

The KWB, a premium Austrian manufacturer, develops biomass heating systems. The Easyfire series automates pellet feeding and combustion, offering more convenient daily use compared to manual wood loading.

Easyfire EF2 S 35 – 2011 pellet boiler

The equipment listed as "10–35 kW" shows the type EF2 S 35 on its original data plate. It can be sized for heating larger residential buildings, multi-family homes, or smaller commercial buildings.

Data verified from the specific boiler's data plate

• 34.9 kW nominal and 10.1 kW minimum heat output: operation adaptable to heat demand; proper sizing for the building is required.
• 2011 manufacturing year: period EF2 S version, with the controller shown in the original photo.
• 6 mm wood pellets: the data plate specifies ÖNORM M7135 and DINplus fuel.
• 3.5 bar maximum operating pressure and 80 °C maximum operating temperature: system integration limits of this specific unit.
• 78 liters boiler water: one of the fundamental data for water-side design and expansion vessel sizing.
• 230 V, 50 Hz, 13 A connection data: the data plate states a maximum electrical power input of 627 W, not constant consumption.

The attached KWB EF2 factory technical catalog also presents feeding options and automatic heat exchanger cleaning. 2015 series document: for the 2011 machine offered here, the original data plate and actual equipment are authoritative. The later Comfort 4 touch display and online functions are not guaranteed accessories of this unit. Ash removal and maintenance are required; the complete handover package will be agreed upon.

Comparative price of a new boiler

New KWB Easyfire 2 EF2 V 35, HH-10711266: 16,190.00 EUR gross, with 19% German VAT; calculated net price 13,605.04 EUR. Source: wolf-online-shop.de, verified: October 5, 2026. This is the modern V version with a manually loaded hopper, not the exact new price of the old EF2 S 35 unit.

The new offer also specifies a 107-liter pellet hopper and Comfort 4 control. The external pellet depot, storage extraction system, buffer tank, additional system equipment, transport, and installation must be clarified separately. The availability of the used equipment is indicated by the current status on the page.

Brands featured in the ProfiKazán selection

AGRO Forst & Energietechnik, Alfa Laval, Austria Email, Binder, Biral, Buderus, Clima, Delphis-therm, EDER, Elco, Fröling, GEA, Gilles, Grundfos, Grünbeck, Guntamatic, HAPPEL / Ziehl-Abegg, Hargassner, HDG, Heizbösch, Herz, Hoval, Kampmann, Kränzle, KSB, KWB, LOOS, Lopper, Lowara, Mawera, Nolting, ORION / AL-KO, Picopello, Pneumatex, Pollhuber, Prüller, Reflex, Remeha, Ruwac, Schwank, Sieger, Siemens, Spanex, Varem, Viessmann, Wilo, Windhager, Wolf, YORK.

Heating systems and related equipment in one place

Categories in our catalog: Parts, Chip feeders, Woodchip boilers, Wood gasification boilers, Gas boilers, Steam boilers, Heat exchangers, Heat pumps, Infrared heaters, Industrial vacuum cleaners, Industrial cleaning machines, Warm air heaters, Hot water storage tanks, Measuring instruments, Oil boilers, Pellet boilers, Pumps, Expansion vessels, Fan heaters, Multi-fuel boilers, Controls, Water treatment.

Can't find what you need? Let us know the type, output, and intended use of the equipment you are looking for, and we will source it! Request a quote or consult with us on WhatsApp at the phone number +36 30 667 0076.