TWBi Semi Automatic Fan Assisted Solid Fuel Central Heating BoilersTWBi Semi Automatic Fan Assisted Solid Fuel Central Heating Boilers. Fan assisted multi fuel biomass central heating boilers, simple, solid, reliable with modern control systems. Power output range from 13 21kW Semi automatic wood burning boilers in the TWBI range, similarly to WBI and DWBI, can trace their DNA from the entry level TWB of the green boiler range. Like other boilers, the TWBI multifuel boiler is solidly made out of 5 6 mm EN certified

where the fan is blowing air through cold water or is just set to move air around the room or a building

During the wood pellet combustion a small amount of ash is produced which needs to be emptied occasionally

stable construction

hot water heaters

its minimalist look and delicate graphics perfectly match the look of the furnace

logs boiler with auto feed

ideal for installation in smoke controlled areas

made of high quality steel

Crack opening temperature - 97deg C +/- 2

35 to 110kW

to be 6-7 hours for smaller units and up to 8-12 hours on bigger machines

the heat released in the 50kW can heat 1000 litre buffer from 10 to 60 deg C in around 40 minutes and roughly in the same time the 75kW can heat 2000 litres of water