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boiler for wood Viadrus U22 Economy 30 kW

8595145818181

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Condition: New
Price: £ 1880.00
Shipping Cost: £ 250.00
Prices incl. VAT

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In stock delivery 10 to 21 days

 

Wooden cast iron boiler Viadrus U22 Economy

Viadrus U22 Economy is a pyrolytic cast iron boiler with manual loading of fuel for ecological wood burning. The boiler can operate in gravitational heating systems without the use of a pump. Combustion chamber has been designed in such a way as to enable fuel combustion with natural exhaust extraction without the use of a fan.

 

  • 10-year warranty on the cast iron body
  • threaded ferrules for easy installation
  • Effectiveness up to 91%
  • meets the conditions of 'Ekodesign'
  • meets the requirements of emission class 5 according to ČSN 303-5
  • large heat extraction from the flue gas ducts
  • meets the strict requirements of the German emission standard BlmSchV Stufe 2
  • low fuel consumption
  • easy to operate and maintain
  • patented ViaBurn combustion chamber system
  • low exhaust temperature (approx. 140 - 180 °C)
  • operation without electrical power supply (without forced exhaust gas extraction and without circulation pump, except for systems with buffer tank)

 

Boiler Size/Type S.I 16 21 25 30 34 38 41
Energy class A+ A+ A+ A+ A+ A+ A+
Nominal Power kW 16 21 25 30 34 38 41
Efficiency % 89,1 89 89 88,7 91 90,4 90,3
Boiler class [-] 5
ECO DESIGN [-] +
Combustion chamber depth mm 280 370 370 480 590 590 590
Recommended length of wood pieces mm 350 350-500
Combustion chamber volume dm3 32 39 41 51 63 65 67
Approximate fuel consumption at nominal power kg/h 3,9 5,1 5,9 7,2 8,5 9,4 10,2
Temperature of exhaust gases at nominal power ºC 140-190
Sizes - Height × Width mm 1130 x 625
- Depth (A) mm 890 1000 1000 1110 1220 1220 1220
Boiler weight kg 348 410 410 472 534 534 534
Dimensions of the loading bay mm 310x236
Required chimney draught Pa 13 16 18 21 25 32 32
Water capacity l 40,5 46,5 46,5 52 58 58 58
Recommended minimum outlet water temperature ºC 70
Minimum return flow temperature ºC 50
Connection of heating water / return water - 2 lub 6/4"
Noise emission level dB do 65
Diameter of the flue pipe mm 156
Maximum pressure bar 4
Minimum working pressure of water bar 1,5
Flue gas mass flow kg/s 0,012 0,014 0,015 0,016 0,018 0,019 0,022

Boiler Dimensions

Viadrus U22 Economy

 

The manufacturer recommends installing the boiler in combination with a buffer tank. The dimensions of the buffer tank must be determined according to the boiler power. We have to count on the maximum calculated capacity, the minimum buffer tank volume used must be 300 l.

Viadrus U22 Economy

  1. Loading door choke
  2. Slanting grate (size varies according to boiler type)
  3. Slanting grate (size varies according to boiler type)
  4. Slanting grate (size varies according to boiler type)
  5. Short-circuit flap
  6. Cover for cleaning the flue gas spigot
  7. Top fitting, front
  8. Upper rear adapter
  9. Tertiary air inlet nozzle
  10. Lower left-hand fitting with secondary air supply
  11. Right-hand bottom fitting with secondary air supply
  12. Secondary and tertiary air inlet chamber

 

Product specification

Fuels wood /logs
Hopper capacity 51 dm³
Power output 30 kW
Weight 472 kg
Exhaust gas pipe diameter 156 mm
Efficiency 89.1 - 90.3 %
Boiler class (303-5:2012) 5
Eco design 5 Generation
Water capacity 52 L
Max working pressure 1,5 bar
Required chimney draught 21 Pa
Outlet and inlet size 2 lub 6/4 inch
Power supply 230V / 50Hz
Warranty 10 Years on cast iron body 

 

Need Help?
Call us on 01795 500077 or contact us

 

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