DWBi 25kW Manually Loaded Fan Controlled Multi Fuel Heating Boiler
DWBi 25kW Manually Loaded Fan Controlled Multi Fuel Heating Boiler.
DWBI biomass burning multi fuel boiler with characteristic burn from top, downwards flame, current best seller ideal burner replacement for oil and gas powered boilers used for central heating and hot water.
DWBI biomass burning multi fuel boiler with characteristic burn from top, downwards flame, current best seller ideal burner replacement for oil and gas powered boilers used for central heating and hot water.
Multi fuel fan assisted central heating biomass boilers.
The DWBI chassis is an evolution of DWB range, a logical addition of electronic air and water pump control helps to increase overall efficiency output. Solidly and aesthetically build, these multi fuel boilers are built with long refill times in mind. Size of fire box is what makes these units stand out above the rest.
DWBI MULTI FUEL FAN ASSISTED WOOD & COAL BOILER
These red boilers are finished to a very high standard, come with expandable or up gradable controller, are very easy to operate and maintain not forgetting the long refill times in the excess of 8-10 hrs are easily achievable with some edging up to 18hrs with few modifications.
Ideally suited for users with access to wood in all forms, coal, peat, cardboard, straw and other combustible materials.
Looking at the front of this burner, the upper door is used for access and cleaning of heat exchanger channels.
The middle opening is the fuel loading door and access for further maintenance.
DWBi Boiler Spec |
Models | ||||||||
Specification/boiler type | Unit | 12 | 15 | 20 | 25 | 30 | 35 | 40 | 50 |
Power range | kW | 3,6-12 | 4,5-15 | 6,0-20 | 7,5-25 | 9,0-30 | 10,5-35 | 12,0-40 | 15,0-50 |
Heating area (up to) | m2 | 140 | 160 | 220 | 250 | 290 | 340 | 390 | 460 |
Optimum thermal efficiency | % | ~82,2-83,0 | |||||||
Energy efficiency class | - | D | D | D | D | D | D | D | D |
Max. system pressure | bar | 1,5 | |||||||
Required flue gas draught | Pa | 22 | 24 | 26 | 28 | 30 | 31 | 32 | 34 |
Max. temp. of water return / supply | °C | 65/85 | |||||||
Boiler weight 2 | kg | 251 | 307 | 355 | 380 | 420 | 495 | 532 | 626 |
Boiler water capacity | L | 62 | 82 | 106 | 115 | 127 | 146 | 151 | 185 |
Chimney section | cmxcm | 14x14 | 14x14 | 14x14 | 16x16 | 17x17 | 18x18 | 19x19 | 21x21 |
Chimney section | Ø mm | 160 | 160 | 160 | 170 | 190 | 200 | 210 | 230 |
Minimum chimney height | m | 6 | 6 | 7 | 8 | 8 | 8 | 9 | 9 |
Boiler Width | mm | 547 | 597 | 597 | 647 | 647 | 747 | 747 | 797 |
Boiler Depth | mm | 905 | 963 | 1080 | 1080 | 1088 | 1088 | 1088 | 1088 |
Boiler Height | mm | 1515 | 1569 | 1569 | 1569 | 1765 | 1765 | 1916 | 2067 |
Diameter of supply and return Dn | mm | G1 ½” | |||||||
Diameter of flue | mm | 159 | 159 | 159 | 178 | 178 | 178 | 194 | 244 |
Supply | V/Hz | ~230/50 | |||||||
Maximum power consumption | W | 44 | 44 | 44 | 44 | 44 | 44 | 165 | 165 |
Height to bottom edge of the flue | mm | 1036 | 1086 | 1086 | 1068 | 1268 | 1268 | 1357 | 1458 |
Dimensions of Fire box and size opening opening for refuelling. | width | 258 | 308 | 308 | 358 | 358 | 458 | 458 | 508 |
depth | 380 | 430 | 547 | 547 | 547 | 547 | 547 | 547 | |
height | 230 | 230 | 230 | 230 | 371 | 424 | 424 | 547 | |
width x height | 258x188 | 308x238 | 308x238 | 358x238 | 358x288 | 458x288 | 458x288 | 508x288 |