Slokov boiler Variant SL30EKO

Slokov SL30EKO steel hot water boiler for burning dry lump wood and wood briquettes meeting the strictest ecological criteria. A new, modern and simple boiler to keep your home warm!

  • Fulfils class 5 according to EN 303-5 and the EKODESIGN standard
  • Can be used after 2024
  • Warranty up to 4 years – (warranty and post-warranty service according to current conditions)
  • Sheet thickness 5 mm
  • Can be used on a gravity system
  • High quality Czech product

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50 years of tradition

We make the best Czech boilers

Environmentally friendly boiler

Highly efficient for home and nature

Long lifetime

Comes with a four-year warranty

Easy maintenance

Sales, installation and service throughout the CR

Product description

Technical parameters

Rated output

30 kW

Boiler class according to ČSN EN 303-5

5 / EKODESIGN

Energy efficiency class

A+

Ekodesign

YES

Boiler efficiency

89 %

Volume of fuel shaft and firebox

72 l

Size of filling hole

240×370 mm

Boiler weight

375 kg

Diameter of flue neck

160 mm

Maximum operating overpressure

2 bar

Operating draught

18 Pa

Boiler water volume

61 l

Max. operating temperature

90 °C

The lowest water inlet temperature to the boiler

60 °C

Boiler description

The new series of Slokov SL-EKO wood-fired boilers meets emission class 5 and EKODESIGN. SL-EKO boilers can be operated without power supply and on gravity systems. The SL-EKO boilers have a new patented combustion chamber system which guarantees ecological combustion with high efficiency.

The boilers are manufactured with a standard inlet and outlet flange of the “Slokov” type (4x M12 bolt). This design allows easy replacement of an older SLOKOV boiler with a new one. However, the counter flanges are now manufactured with a G2″ outlet (internal thread) for easier retrofitting.

The inlet and outlet flange on the new boiler has the same shape and position as the SL27, SL27-3, SL33 and SL33-3 (SLOKOV coal-fired boilers). The boilers are easily interchangeable with older types of Slokov boilers and also with Dakon boilers with the help of a conversion kit. In case of replacement with SL40 and SL18D boiler, it is necessary to purchase an appropriate adapter.

It is only necessary to take into account the larger width of the boiler and the larger hopper shaft (the boiler needs more space to the side and front).

  • The boiler meets class 5 according to EN 303-5 and EKODESIGN according to 2015/1189.
  • High combustion efficiency, low fuel consumption.
  • Interchangeable with older types of Slokov boilers and Dakon boilers.
  • Ecological combustion.
  • Easy operation and long boiler life.

Boiler design

The boiler consists of welded steel plates. The internal space is divided by a water baffle into a hopper, a combustion chamber and an exchanger through which the flue gases flow to the flue. Below the combustion chamber and the hopper is a two-part grate, operated from the side of the boiler by a lever.

The regulation of the secondary air supplied to the combustion chamber increases the efficiency of the boiler. Primary air is supplied under the grate by a controllable damper in the ash door. Regulation is carried out manually or by an automatic output regulator (HOR), which is supplied as an accessory together with the boiler. The heating water inlet and outlet are fitted with G2″ flanges as standard, but the boiler can also be ordered with G 1 1/2″ or DN 65 flanges. The flue pipe is in the axis of the boiler at the rear.

Boiler use, fuel

The Slokov SL-EKO steel hot water boiler is a heat source suitable for heating apartments, houses, business premises and similar buildings with a heat loss of around 36 kW. The heating system can be with an open or pressurized expansion vessel, with gravity or forced circulation of heating water, with a maximum overpressure of 200 kPa.

The Slokov SL-EKO boiler is designed to burn dry wood with a maximum moisture content of 20%, i.e. logs up to 100mm diameter and 280mm long, or split wood with or without bark. The manufacturer recommends that the fuel be placed in the feed chute lengthwise to allow for smooth burning and passage of the fuel. When using awkwardly shaped wood, increased operator supervision is required.

 

In addition to expert installation, good operation is also dependent on the requisite chimney draft and correct operation.

Main dimensions of boiler Variant SL30EKO

Legend

1 – Secondary air damper

2 – Soot door (both sides)

3 – Grate lever (can be used on both sides)

4 – Ash drawer door

5 – Thermometer and pressure gauge alarm

6 – Aftercooling safety valve – special boiler accessory

7 – TRV – thermal power regulator

8 – Feed door handle

 

A – boiler height1043 mm
B – boiler depth851 mm
C – boiler width550 mm
D – height of heating water flange – outlet1043 mm
E – flue axis height890 mm
F – height of heating water flange – inlet215 mm
G – heating water distance axis – outlet378 mm
Flue diameter160 mm
Inlet and outlet flangeG2 – internal thread

Cross section of boiler Variant SL30EKO

Legend:

15 – Counter flange

16 – Cooling circuit coupling

17 – Feed door

18 – Sealing cord for feed door

19 – Handle

20 – Thermometer and pressure gauge

21 – Front air pocket

22 – Fireproof bricks

23 – Upper/lower side air pocket

24 – Combustion chamber

25 – Fuel chute

26 – Combustion nozzle

27 – Grates

28 – Sealing cord for ash door

29 – Ash door

30 – Side cover

31 – Ash drawer

32 – Ash drawer door

33 – Filling valve

34 – Rear cover

35 – Swirlers

36 – Fire damper

37 – Damper rod

38 – Heat exchanger cover sealing cord

39 – Exchanger lid

40 – Flue gas baffle

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