Boiler for coal H4EKO-U with pellets burner

Boilers for pellets and coal

Boiler for coal H4EKO-U with pellet burner

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EKO design

Economical and simple boiler with which you can combine two heating sources. 

Fuel

Brown coal

Wooden pellets 6 - 8 mm

Product

H4EKO 17 PELLET

H4EKO 18 PELLET

H4EKO 19 PELLET

Advantages of a combined boiler
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Two heating sources
Combine two heating sources at a reasonable price.
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Modern approach
Simple manual control, which is modernly processed.
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Small boiler size
The boiler can also fit in small and low boiler rooms.
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Money in the house
Low purchase price and high efficiency significantly save your costs.

The H4EKO-U coal boiler with a pellet burner meets the requirements of users who prefer economical heating and at the same time want an alternative heating source.

Easy Operation

  • The coal boiler has a large hopper so that you don't have to refill too often.
  • It combines two heating sources.
  • Easy to regulate

Economic operation

  • Efficiency up to 84.2 %.
  • Low fuel and electricity consumption.
  • It belongs to emission class 4./5. and meets ecodesign conditions.

Small size

  • It is also suitable for small boiler rooms with low ceilings.
  • Boilers with an output of 16 kW and 20 kW can also fit through a 60 cm width.

Boilers long service life

  • Warranty 5 years
  • The boiler sheet thickness of 5 mm guarantees a long service life
Boiler model   H4EKO 17 PELLET H4EKO 18 PELLET H4EKO 19 PELLET
Guaranteed fuel / wooden pellets 6-8 mm
Nominal output kW 17 18 19
Measured nominal output kW 16,4 17,4 18,4
Measured minimal output kW 5 5,2 5,4
Emission class according to ČSN 303-5:2013                                5
Efficiency nominal/minimal output % 91,2/89,6 91,8/90,25 92,4/90,9
Fuel consumption (min./max output) kg/h 1,2-3,8 1,3-4 1,3-4,3
Operating chimney draft (min./max output) Pa 3,7-5,6 3,7-5,6 2,7-4,3
Average flue gas temperature  °C 70-105 66-98 62-90
Connecting voltage V/Hz                             230V/50Hz1-10%
Ele. input operating/maximum W                             20-49/375
Noise dB                             50
Appliance coverage /                             IP21
Fuel consumption at nominal output (16800KJ/kg) kg/hod 2,747 3,287 3,827
Water volume l 32 36 44
Boiler weight kg 217 241 253
Guaranteed fuel / brown coal nut 1
Nominal output kW 16 20 25
Emission class according to ČSN 303-5:2013                               4
Efficiency % 84,2 84,2 85,5
Fuel consumption kg/h 2,5 3 4,1
Burning time at nominal output h >4 >4 >4
Flue gas temperature at nominal output °C 253 226 200
Operating chimney draft - prescribed Pa 22 22 22
Operating chimney draft - minimal  Pa 15 15 15
Dimensions        
Outlet/inlet socket type (female thread)   G1 1/4" G1 1/4" G1 1/4"
Cooling loop connection  (female thread)   G 1/2" G 1/2" G 1/2"
Connection for draining and filling (female thread)   G 1/2" G 1/2" G 1/2"
Connection for mouting the power regulator (female thread)   G 3/4" G 3/4" G 3/4"
Boiler body wall thickness (water/flame) mm 5 5 5
Max.heating water overpressure MPa 0,2 0,2 0,2
Heating water test overpressure  MPa 0,4 0,4 0,4
Hydraulic loss at T=20/10K mbar 1,6-5,9 1,4-5,4 1,1-4,8
Flue diameter mm 130 130 159
Fuel shaft capacity l 33,5 40 55
Filling hole dimension mm 176x256 176x306 176x405
Heating surface m2 1,9 2,1 2,5
Heating water temperature range °C 65-90 65-90 65-90
         
         
Assembly dimensions    
Boiler assembly   H4EKO 17 Pellet H4EKO 18 Pellet H4EKO 19 Pellet
Boiler type   H416EKO-U H420EKO-U H425EKO-U
Dimensions        
C-boiler height          mm 960 960 960
C1-boiler height with open lid           mm 1615 1615 1615
D-boiler width          mm 651 701 801
Q-tank height        mm 1310 1310 1310
A-total boiler widht incl. tank       mm 1748 1798 1898
E-boiler depth with 2m feeder         mm 1170 1170 1170
B-height of boiler assembly with 2m feeder       mm 1568 1568 1568
I-burner depth mm 273 273 273
I2-burner width           mm 242 242 242
J-total boiler depth inc.burner           mm 1145 1145 1145
D2-distance from the side fairing of boiler to center of flue mm 215 240 290
K-tank width mm 810 810 810
L-tank depth         mm 810 810 810
M-control unit width         mm 178 178 178
F-placing the inlet water nozzle from the ground to the center of the outlet mm 109 109 109
G-placing the flue from the ground the center of the outlet        mm 635 635 635
H-placing the outlet water nozzle from the ground to the center of the outlet     mm 791 791 791
Product informations
Technical documentation