







The HG boiler uses a two-stage combustion technique – gasification of the fuel and subsequent pyrolysis, i.e. combustion of the resulting gases. The basic fuel is firewood. The boiler exchanger is made of high-quality, certified boiler sheet metal with a thickness of 6-8 mm in the form of two chambers placed above each other – the upper one, which serves as a fuel tank, and the lower one – combining the functions of the combustion chamber and ash pan. There is a grate between the chambers, which allows for perfect gasification of wood and easy removal of ash. The wood gasification process allows full use of the energy stored in the fuel and meets restrictive emission parameters. The combustion process is regulated by an innovative controller with a touch display. The HG boiler has a built-in exhaust fan that prevents smoke from returning to the boiler room. The boiler can be installed in a closed system.
Boiler specification/type
|
J.m. | 19 | 25 | 32 |
Fuel |
hardwood log – birch Ø12 cm |
hardwood log – birch Ø12 cm | hardwood log – birch Ø12 cm | |
Min. safe capacity of the accumulation tank
|
l | 700 | 1200 | 1400 |
Heating surface
|
m2 | 1,6 | 2,0 | 2,4 |
Area of heated rooms
|
m2 | do 150 | do 190 |
do 250 |
One-time fuel filling
|
kg | ~14 | ~24 | ~27 |
Thermal efficiency for nominal power
|
% | 92,3 | 92,2 | 92,4 |
Energy efficiency class
|
A+ | A+ | A+ | |
Max. permissible working pressure
|
bar | 3 | 3 | 3 |
Required exhaust gas draft
|
Pa | 17 | 17 | 18 |
Supply water temperature min/max.
|
°C | 70/90 | 70/90 | 70/90 |
Boiler weight
|
kg | ~430 | ~510 | ~540 |
Boiler water capacity
|
l | 95 | 110 | 120 |
Diameter of the supply/return connection
|
cal | 1 ½ ’’ | 1 ½ ’’ | 1 ½ ’’ |
Flue diameter
|
mm | 130 | 130 | 130 |
Power supply
|
V/N/Hz/A | 230/1/50/3,15 | 230/1/50/3,15 | 230/1/50/3,15 |
Maximum power consumption
|
W | 35 | 35 | 35 |
Dimensions of the filling hole
|
mm | 380×400 | 380×400 | 380×450 |
Height
|
mm | 1460 | 1460 | 1560 |
Width
|
mm | 620 | 620 | 620 |
Depth
|
mm | 995 | 1155 | 1155 |
1 The maximum area of heated rooms was estimated for the specific heat demand q = 70 W/m2. 2Fuel tank capacity for bulk density of eco-pea coal of 0.8 kg/dm3.
3 The weight of the boiler depends on its additional equipment.
The height of the boiler can be additionally adjusted using the included feet.
The feet have an adjustment range from 38 to 50 mm.
ATTENTION! When ordering the KOMFORT EKO LUX boiler, please specify which side the tank should be on (left or right).
OPTIMA HG
FUNCTIONS PERFORMED BY THE CONTROLLER
Have more questions?
Would you like to ask about a discount?
Do you need device selection?
If you want to install a new heat source, it is worth paying attention to DEFRO devices, a Polish manufacturer with many years of experience in the heating industry. Our specialists will help you choose the right boiler and its power, and distributors and installers will take care of the assembly and commissioning, and all you need to do is enjoy the warmth and comfort. The distribution network of our products is divided into regions for which managers and salespeople are responsible.