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DWB 20kW Central Heating & Hot Water Solid Fuel Burner

£1,845.00




DWB 20kW Central Heating & Hot Water Solid Fuel Burner.

DWB line of multi fuel wood boilers characterised by a simple, aesthetic and solid construction giving the burner ability to produce hot water for central heating from burning logs, coal, peat, garden waste and other solid fuels.

Multifuel wood and coal manual boiler.

The red boiler range, DWB have been around for about a decade now and are a popular choice amongst people looking for simplicity, economy, ability to burn most fuels and produce heat in form of hot water without any form of electronic technology.

With the revisions carried out on regular basis, the DWB multifuel boilers are well finished with good solid feel and are able to burn wood, coal and variety of other solid fuels.

Available in power outputs of 12 – 50kW.

Fuel loading is through middle door.

Fuel burning occurs from bottom up.

Boiler is equipped with manual flap control although thermostatic auto flap control valve can be purchased separately. The valve, temperature operated, opens and closes bottom door, thus controlling amount of oxygen in and burner temperature.

The DWB range of multifuel boilers are also equipped in bottom heat exchange grate, upper laminar flow heat exchanger plates and good size fire box.

Taking a look around the boiler, the front has 3 openings, top, middle and bottom are doors for cleaning heat exchangers, filling up with fuel and ash pan access, respectively.

To the side is a grate shaker and spent gases exit through located at the rear, baffled exhaust.

Manufactured out of EN specification 5-6 mm steel plates, laser cut and welded from both sides.

No electricity is required for this wood and coal boiler to operate, ideally suited for open / vented plumbing type system.

Some amount of supervision is required.

Refills vary with boiler output as does fire box size, but expected multi fuel boiler burn time, using coal or wood, to be 3-4 hours for smaller units and up to 8-10 hours on bigger machines.

Maintenance is straight forward and simple tools needed are supplied. Expect to empty ash when burning wood and coal every week or less, thorough clean once a month. Cleaning takes no more that 10-15 min for average able person.

Relevant European approval.

In stock and available for immediate delivery!

As with the rest of our items this wood boiler is a 100 % European product.

DWB 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 140 180 220 240 270 320 360 430
Optimum thermal efficiency % ~85-90
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 65/90
Boiler weight kg 243 299 336 364 404 476 511 589
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 1284 1350 1350 1350 1550 1550 1650 1800
Diameter of supply and return Dn mm G1 ½”
Diameter of flue mm 159 159 159 178 178 178 194 244
Height to bottom edge of the flue mm 983 1033 1033 1014 1214 1214 1303 1405
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

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