KWB Multifire 100 kW pellet/ woodchip boiler

KWB UNIT USV100 biomass boiler / pellet and wood chip boiler, 99 kW, year 2009
For sale is a used KWB UNIT USV100 biomass boiler with a nominal heat output of 99 kW.
 
The boiler will be dismantled on 01.07.2026 in Austria, 2100 Leobendorf. The dismantling will be carried out professionally by our team.
Important information:

If the buyer collects the boiler directly from Leobendorf on the day of dismantling, immediately after dismantling, we can offer a price discount, as in this case we do not have to transport the boiler back to Hungary.
 
The KWB Multifire / UNIT series is a robust biomass heating system for wood pellets and wood chips. The system is suitable for larger residential buildings, agricultural buildings, commercial properties, public buildings or smaller district heating systems.
According to the type plate, this boiler is specified for 6 mm wood pellets. The KWB Multifire series is generally designed as a wood pellet and wood chip heating system; the actual operation depends on the existing extraction and feeding system.
 
Main features / equipment:
 
Robust biomass boiler from KWB, Austrian quality manufacturer
Suitable for pellets / wood chips depending on the extraction and feeding system
KWB Comfort 3 control system, automatic and easy operation
Automatic output adjustment according to heat demand
Automatic heat exchanger cleaning with patented special turbulators
KWB MultiFlex burner plate cleaning for different fuel qualities
Underfeed gasifier combustion system with high-temperature burnout zone
Optimised combustion through broadband lambda sensor and negative pressure control
Automatic ash removal with ash compaction
Ash container with fill level monitoring
Gas-tight and burnback-proof fire shutter
Reliable conveyor technology for individual extraction systems
Robust stoker screw with stainless steel spirals and carbide coating
Low-maintenance, double-sealed heavy-duty gear unit
Suitable for larger heating systems and commercial applications
 
Technical data:
 
Manufacturer: KWB
Type: UNIT USV100 / USV D
Year of manufacture: 2009
Operating hours: 30,374 h
Nominal heat output: 99 kW
Minimum heat output: 27.6 kW
Fuel heat input at nominal output: 113.9 kW
Fuel according to type plate: 6 mm wood pellets
Biomass system: pellets / wood chips
Max. operating pressure: 3.5 bar
Max. operating temperature: 90 °C
Water content: 167 litres
Flue pipe connection: 200 mm
Electrical connection: 3N 400 VAC / 50 Hz / 13 A
Max. electrical power consumption: 2328 W
Weight: approx. 997 kg
Serial number: 000-0059085/3
 
The boiler is sold used, as shown in the pictures.
Inspection is possible by appointment.
 
Sold without warranty and without return.
Loading and transport can be arranged upon request.
 
Current location until dismantling: 2100 Leobendorf, Austria
After dismantling: Mosonmagyaróvár, Hungary