Common use of IMPORTANT WARNINGS Clause in Contracts

IMPORTANT WARNINGS. We emphasize that the use of the device working on bio-mass, having contact with electricity and water, demands respect and security measures such as: • The use of the boiler by the children and people with limited capabilities without accompaniment is not allowed. • It is forbidden to use boiler installations operating at temperatures higher then 110 ˚ C, and pressure greater than 3 bar. • It is not allowed to use easily inflammable fuels (alcohol, oil) for faster ignition. • It is forbidden to store easily flammable materials near the boiler and close the door for firing. The ashes must be disposed off in closed and non-flammable containers. • It is prohibited to incinerate waste materials which cause combustion flame or explosion hazard (eg. plastic bags, sawdust, coal dust, mud, etc.). • It is prohibited to any person or technical intervention or cleaning the boiler before it is switched off the main power supply switch, the setting on the device (0) "off". • It is prohibited to change the safety elements. • It is forbidden to close the vents in the room where the boiler is located. Air vents are needed for proper combustion. • No exposure to atmospheric turbulents. The boiler is not designed for outdoor use and contains no anti-freeze system. • It is forbidden to turn off the boiler when the outside temperature can drop below zero (to prevent freezing). • Be aware of safety air valve position (detailed explanation in the chapter OPERATION START OF BOILER). • In the case of intervention on any electrical device of boiler, switch off all the electrical wiring and so it is removed from the mains socket. • Work with of boiler unit is forbidden for people with special needs (including children) to physical and mental health, except under the supervision of a guardian, and the people who are responsible for their behavior. • Children must be supervised by a guardian as they do not play with the appliance boiler. • If the damaged power protection, must be replaced in the factory and serviced by an authorized dealer or qualified people to avoid the risk of electric shock. • Provide adequate distance from flammable materials, if necessary to ensure the protection of the same. • Minimum distance from flammable materials is required by law - please inquire of professionals who deal with heating and Emission effluents. • The minimum distance of the boiler and flue pipe gas from the low and averagely combustible materials should be at least 100mm. • Minimum distance from flammable materials is 200mm, and the same goes for materials whose flammability is not known. A ...Noncombu-stible asbestos, stone, building stone, ceramic wall tiles. terracotta, plaster, screed (without organic additives ) B... Non easily flammable Gypsum cardboard slab, glass fiber slab of ACUMINE, ISOMINE, ROYALITE, XXXXXX, VELOX, HERACLITE C1.. Low combustible beech and oak wood, composite wood, file, slab of HOBREX, Versalite, umakart C2 ... Averagely combustible wood of pine, yew and pine, composite materials C3... Easily combustible Asphalt, paperboard, cellulose materials, chipboard, cork, polyurethane, polystyrene, polypropylene, polyethylene fiber floor • Storage of flammable materials and liquids in the vicinity of the boiler is prohibited. • Be sure to warn users about the required minimum distance of combustible material from the boiler. Boiler ECO COMFORT is developed as the Company RADIJATOR ENGINEERING might offer to the market the boiler, which by its mechanical and thermal properties is specially intended for biomass as fuel. Using the general term "BIOMASS ", of course, it is primarily meant and considered - the pellet, but it should be noted and the possibility of firing the seeds of fruit (cherries, blackcherries...). If the user wants to use some form of biomass that is not listed, be sure to call the service design and development RADIJATOR INŽENJERING or an authorized dealer, because very often some forms of biomass require a separate, specific combustion solutions. When using these fuels means the automatic control of the main operating parameters. In all stipulated examples of using biomass it requires a certain degree of dryness of the fuels. Wood pellets are produced from 100 % cellulose. Wood residues under high pressure are compressed into pellets of 6 mm in diameter and in length of 2- 3cm. Pellets should be stored correctly in a dry place to ensure efficient combustion. Boilers ECO COMFORT 25 and ECO COMFORT 45 use pellet of 6mm diameter, of 5 -30mm length and humidity up to 10 % manufactured in accordance with EN 14962-2. The water portion of the boiler, its mode of heat exchange between the flue gas and water is adjusted to the application of biomass and coal.Due to the use of fans, ie. Due to forced draft the path of flue gas is longer than with standard boilers. For the same reasons it is possible to use a router for flue gases, the so-called turbulators, which increase the degree of efficiency of the boiler. Efficiency of pellet is over 91 %. In normal mode the flue gas temperature at the exit is about 170 ° C, and in maximum regimes it is below 210 ° C. These values may at any time to observed on the display. Each ECO COMFORT boiler has a copper heat exchanger for the connection of the fan for thermal safety. All parts of the water portion of boiler are made of seamless pipe ST 35.4 quality and boiler plate thickness of 5 mm or more, depending on the power of boiler. Sheets are of the quality of the Standard 1.0425 EU i.e. Standard P265GH EUII. Combustion chamber, in its principle of work. The so-called under (bottom) feeding, where the zone of transport of fuel is going vertically upwards i.e. it springs up to the combustion zone. It is made of solid insulating materials and cast iron. Fuel transport is provided by screw transporters. The fuel is coming from the silo of the capacity of 240 L. If necessary, it is easy to dismantle the whole assembly into three independent entities: silo, the mechanism for setting and boiler. Discription:

IMPORTANT WARNINGS. We emphasize that the use of the device working on bio-massmass and solid fuel, having contact with electricity and water, demands respect and security measures such as: • The use of the boiler by the children and people with limited capabilities without accompaniment is not allowed. • It is forbidden to use boiler installations operating at temperatures higher then 110 ˚ C, and pressure greater than 3 bar. • It is not allowed to use easily inflammable fuels (alcohol, oil) for faster wood ignition. • It is forbidden to store easily flammable materials near the boiler and close the door for firing. The ashes must be disposed off in closed and non-flammable containers. • It is prohibited to incinerate waste materials which cause combustion flame or explosion hazard (eg. plastic bags, sawdust, coal dust, mud, etc.). • It is prohibited to any person or technical intervention or cleaning the boiler before it is switched off the main power supply switch, the setting on the device (0) "off". • It is prohibited to change the safety elements. • It is forbidden to close the vents in the room where the boiler is located. Air vents are needed for proper combustion. • No exposure to atmospheric turbulents. The boiler is not designed for outdoor use and contains no anti-freeze system. • It is forbidden to turn off the boiler when the outside temperature can drop below zero (to prevent freezing). • Be aware of safety air valve position (detailed explanation in the chapter OPERATION START OF BOILER). • In the case of intervention on any electrical device of boiler, switch off all the electrical wiring and so it is removed from the mains socket. • Work with of boiler unit is forbidden for people with special needs (including children) to physical and mental health, except under the supervision of a guardian, and the people who are responsible for their behavior. • Children must be supervised by a guardian as they do not play with the appliance boiler. • If the damaged power protection, must be replaced in the factory and serviced by an authorized dealer or qualified people to avoid the risk of electric shock. • Provide adequate distance from flammable materials, if necessary to ensure the protection of the same. • Minimum distance from flammable materials is required by law - please inquire of professionals who deal with heating and Emission effluents. • The minimum distance of the boiler and flue pipe gas from the low and averagely combustible materials should be at least 100mm. • Minimum distance from flammable materials is 200mm, and the same goes for materials whose flammability is not known. A ...Noncombu-stible asbestos, stone, building stone, ceramic wall tiles. terracotta, plaster, screed (without organic additives ) B... Non easily flammable Gypsum cardboard slab, glass fiber slab of ACUMINE, ISOMINE, ROYALITE, XXXXXX, VELOX, HERACLITE C1.. Low combustible beech and oak wood, composite wood, file, slab of HOBREX, Versalite, umakart C2 ... Averagely combustible wood of pine, yew and pine, composite materials C3... Easily combustible Asphalt, paperboard, cellulose materials, chipboard, cork, polyurethane, polystyrene, polypropylene, polyethylene fiber floor • Storage of flammable materials and liquids in the vicinity of the boiler is prohibited. • Be sure to warn users about the required minimum distance of combustible material from the boiler. Boiler ECO COMFORT TKAN is developed as the Company RADIJATOR ENGINEERING might offer to the market the boiler, which by its mechanical and thermal properties is specially intended for biomass as fuel. Using the general term "BIOMASS ", of course, it is primarily meant and considered - the pellet, but it should be noted and the possibility of firing the seeds of fruit (cherries, blackcherries...). If the user wants to use some form of biomass that is not listed, be sure to call the service design and development RADIJATOR INŽENJERING or an authorized dealer, because very often some forms of biomass require a separate, specific combustion solutions. When using these fuels means the automatic control of the main operating parameters. In all stipulated examples of using biomass it requires a certain degree of dryness of the fuels. On the other hand the requirements of the markets are always facing as bigger common universality of fuel as possible, so you can fire up the Boiler TKAN with solid fuels (wood) and then the firing is manual. The combustion itself takes place in the condition of forced draft generated by fan, so the Boiler TKAN in these conditions is more efficient than its predecessors, which operate on the principle of free airflow. Wood pellets are produced from 100 % cellulose. Wood residues under high pressure are compressed into pellets of 6 mm in diameter and in length of 2- 3cm. Pellets should be stored correctly in a dry place to ensure efficient combustion. Boilers ECO COMFORT 25 TKAN1.1, TKAN1.2 and ECO COMFORT 45 TKAN2 use pellet of 6mm diameter, of 5 -30mm length and humidity up to 10 % manufactured in accordance with EN 14962-2. There are valid certificates which confirm emissions during operation of pellet boilers, at present there are no such certificates when the fuel used is wood, and in this case, we recommend installing the reservoir (accumulating hot water) for heating of the volume 55L/kW of nominal power (in some markets such as: .SLOVENIA markets, this is not a recommendation for the customer but the legal provision). According to exterior design, the furnace dimensions, openings for firing and cleaning TKAN kept all good features of previous models by which Company RADIJATOR INZENJERING is very well known in the market. The water portion of the boiler, its mode of heat exchange between the flue gas and water is adjusted to the application of biomass and coal.Due to the use of fans, ie. Due to forced draft the path of flue gas is longer than with standard boilers. For the same reasons it is possible to use a router for flue gases, the so-called turbulators, which increase the degree of efficiency of the boiler. Efficiency of pellet is over 91 90 %. In normal mode the flue gas temperature at the exit is about 170 120 ° C, and in maximum regimes it is below 210 150 ° C. These values may at any time to observed on the display. Each ECO COMFORT TKAN boiler has a copper heat exchanger for the connection of the fan for thermal safetysafety as well as the flap for fire initiation. All parts of the water portion of boiler are made of seamless pipe ST 35.4 quality and boiler plate thickness of 5 mm or more, depending on the power of boiler. Sheets are of the quality of the Standard 1.0425 EU i.e. Standard P265GH EUII. Combustion chamber, in its principle of work. The so-called under (bottom) feeding,,spring up", where the zone of transport of fuel is going vertically upwards i.e. it springs up to the combustion zone. It is made of solid insulating materials and cast iron. Fuel transport is provided by screw transporters. The fuel is coming from the silo of the capacity of 240 L. If necessary, it is easy to dismantle the whole assembly into three independent entities: silo, the mechanism for setting and boiler. Discription:

IMPORTANT WARNINGS. We emphasize that the use of the device working on bio-mass, having contact with electricity and water, demands respect and security measures such as: • The use of the boiler by the children and people with limited capabilities without accompaniment is not allowed. • It is forbidden to use boiler installations operating at temperatures higher then 110 ˚ C, and pressure greater than 3 bar. • It is not allowed to use easily inflammable fuels (alcohol, oil) for faster ignition. • It is forbidden to store easily flammable materials near the boiler and close the door for firing. The ashes must be disposed off in closed and non-flammable containers. • It is prohibited to incinerate waste materials which cause combustion flame or explosion hazard (eg. plastic bags, sawdust, coal dust, mud, etc.). • It is prohibited to any person or technical intervention or cleaning the boiler before it is switched off the main power supply switch, the setting on the device (0) "off". • It is prohibited to change the safety elements. • It is forbidden to close the vents in the room where the boiler is located. Air vents are needed for proper combustion. • No exposure to atmospheric turbulents. The boiler is not designed for outdoor use and contains no anti-freeze system. • It is forbidden to turn off the boiler when the outside temperature can drop below zero (to prevent freezing). • Be aware of safety air valve position (detailed explanation in the chapter OPERATION START OF BOILER). • In the case of intervention on any electrical device of boiler, switch off all the electrical wiring and so it is removed from the mains socket. • Work with of boiler unit is forbidden for people with special needs (including children) to physical and mental health, except under the supervision of a guardian, and the people who are responsible for their behavior. • Children must be supervised by a guardian as they do not play with the appliance boiler. • If the damaged power protection, must be replaced in the factory and serviced by an authorized dealer or qualified people to avoid the risk of electric shock. • Provide adequate distance from flammable materials, if necessary to ensure the protection of the same. • Minimum distance from flammable materials is required by law - please inquire of professionals who deal with heating and Emission effluents. • The minimum distance of the boiler and flue pipe gas from the low and averagely combustible materials should be at least 100mm. • Minimum distance from flammable materials is 200mm, and the same goes for materials whose flammability is not known. A ...Noncombu-stible asbestos, stone, building stone, ceramic wall tiles. terracotta, plaster, screed (without organic additives ) B... Non easily flammable Gypsum cardboard slab, glass fiber slab of ACUMINE, ISOMINE, ROYALITE, XXXXXX, VELOX, HERACLITE C1.. Low combustible beech and oak wood, composite wood, file, slab of HOBREX, Versalite, umakart C2 ... Averagely combustible wood of pine, yew and pine, composite materials C3... Easily combustible Asphalt, paperboard, cellulose materials, chipboard, cork, polyurethane, polystyrene, polypropylene, polyethylene fiber floor • Storage of flammable materials and liquids in the vicinity of the boiler is prohibited. • Be sure to warn users about the required minimum distance of combustible material from the boiler. Boiler ECO COMFORT is developed as the Company RADIJATOR ENGINEERING might offer to the market the boiler, which by its mechanical and thermal properties is specially intended for biomass as fuel. Using the general term "BIOMASS ", of course, it is primarily meant and considered - the pellet, but it should be noted and the possibility of firing the seeds of fruit (cherries, blackcherries...). If the user wants to use some form of biomass that is not listed, be sure to call the service design and development RADIJATOR INŽENJERING or an authorized dealer, because very often some forms of biomass require a separate, specific combustion solutions. When using these fuels means the automatic control of the main operating parameters. In all stipulated examples of using biomass it requires a certain degree of dryness of the fuels. Wood pellets are produced from 100 % cellulose. Wood residues under high pressure are compressed into pellets of 6 mm in diameter and in length of 2- 3cm. Pellets should be stored correctly in a dry place to ensure efficient combustion. Boilers ECO COMFORT 25 and ECO COMFORT 45 use pellet of 6mm diameter, of 5 -30mm length and humidity up to 10 % manufactured in accordance with EN 14962-2. The water portion of the boiler, its mode of heat exchange between the flue gas and water is adjusted to the application of biomass and coal.Due to the use of fans, ie. Due to forced draft the path of flue gas is longer than with standard boilers. For the same reasons it is possible to use a router for flue gases, the so-called turbulators, which increase the degree of efficiency of the boiler. Efficiency of pellet is over 91 88 %. In normal mode the flue gas temperature at the exit is about 170 ° C, and in maximum regimes it is below 210 ° C. These values may at any time to observed on the display. Each ECO COMFORT boiler has a copper heat exchanger for the connection of the fan for thermal safety. All parts of the water portion of boiler are made of seamless pipe ST 35.4 quality and boiler plate thickness of 5 mm or more, depending on the power of boiler. Sheets are of the quality of the Standard 1.0425 EU i.e. Standard P265GH EUII. Combustion chamber, in its principle of work. The so-called under (bottom) feeding, where the zone of transport of fuel is going vertically upwards i.e. it springs up to the combustion zone. It is made of solid insulating materials and cast iron. Fuel transport is provided by screw transporters. The fuel is coming from the silo of the capacity of 240 L. If necessary, it is easy to dismantle the whole assembly into three independent entities: silo, the mechanism for setting and boiler. Discription:

IMPORTANT WARNINGS. We emphasize that the use of the device working on bio-mass, having contact with electricity and water, demands respect and security measures such as: • The use of the boiler by the children and people with limited capabilities without accompaniment is not allowed. • It is forbidden to use boiler installations operating at temperatures higher then 110 ˚ C, and pressure greater than 3 bar. • It is not allowed to use easily inflammable fuels (alcohol, oil) for faster ignition. • It is forbidden to store easily flammable materials near the boiler and close the door for firing. The ashes must be disposed off in closed and non-flammable containers. • It is prohibited to incinerate waste materials which cause combustion flame or explosion hazard (eg. plastic bags, sawdust, coal dust, mud, etc.). • It is prohibited to any person or technical intervention or cleaning the boiler before it is switched off the main power supply switch, the setting on the device (0) "off". • It is prohibited to change the safety elements. • It is forbidden to close the vents in the room where the boiler is located. Air vents are needed for proper combustion. • No exposure to atmospheric turbulents. The boiler is not designed for outdoor use and contains no anti-freeze system. • It is forbidden to turn off the boiler when the outside temperature can drop below zero (to prevent freezing). • Be aware of safety air valve position (detailed explanation in the chapter OPERATION START OF BOILER). • In the case of intervention on any electrical device of boiler, switch off all the electrical wiring and so it is removed from the mains socket. • Work with of boiler unit is forbidden for people with special needs (including children) to physical and mental health, except under the supervision of a guardian, and the people who are responsible for their behavior. • Children must be supervised by a guardian as they do not play with the appliance boiler. • If the damaged power protection, must be replaced in the factory and serviced by an authorized dealer or qualified people to avoid the risk of electric shock. • Provide adequate distance from flammable materials, if necessary to ensure the protection of the same. • Minimum distance from flammable materials is required by law - please inquire of professionals who deal with heating and Emission effluents. • The minimum distance of the boiler and flue pipe gas from the low and averagely combustible materials should be at least 100mm. • Minimum distance from flammable materials is 200mm, and the same goes for materials whose flammability is not known. A ...Noncombu-stible asbestos, stone, building stone, ceramic wall tiles. terracotta, plaster, screed (without organic additives ) B... Non easily flammable Gypsum cardboard slab, glass fiber slab of ACUMINE, ISOMINE, ROYALITE, XXXXXX, VELOX, HERACLITE C1.. Low combustible beech and oak wood, composite wood, file, slab of HOBREX, Versalite, umakart C2 ... Averagely combustible wood of pine, yew and pine, composite materials C3... Easily combustible Asphalt, paperboard, cellulose materials, chipboard, cork, polyurethane, polystyrene, polypropylene, polyethylene fiber floor • Storage of flammable materials and liquids in the vicinity of the boiler is prohibited. • Be sure to warn users about the required minimum distance of combustible material from the boiler. Boiler ECO COMFORT is developed as the Company RADIJATOR ENGINEERING might offer to the market the boiler, which by its mechanical and thermal properties is specially intended for biomass as fuel. Using the general term "BIOMASS ", of course, it is primarily meant and considered - the pellet, but it should be noted and the possibility of firing the seeds of fruit (cherries, blackcherries...). If the user wants to use some form of biomass that is not listed, be sure to call the service design and development RADIJATOR INŽENJERING or an authorized dealer, because very often some forms of biomass require a separate, specific combustion solutions. When using these fuels means the automatic control of the main operating parameters. In all stipulated examples of using biomass it requires a certain degree of dryness of the fuels. Wood pellets are produced from 100 % cellulose. Wood residues under high pressure are compressed into pellets of 6 mm in diameter and in length of 2- 3cm. Pellets should be stored correctly in a dry place to ensure efficient combustion. Boilers ECO COMFORT 25 and ECO COMFORT 45 40 use pellet of 6mm diameter, of 5 -30mm length and humidity up to 10 % manufactured in accordance with EN 14962-2. The water portion of the boiler, its mode of heat exchange between the flue gas and water is adjusted to the application of biomass and coal.Due to the use of fans, ie. Due to forced draft the path of flue gas is longer than with standard boilers. For the same reasons it is possible to use a router for flue gases, the so-called turbulators, which increase the degree of efficiency of the boiler. Efficiency of pellet is over 91 88 %. In normal mode the flue gas temperature at the exit is about 170 ° C, and in maximum regimes it is below 210 ° C. These values may at any time to observed on the display. Each ECO COMFORT boiler has a copper heat exchanger for the connection of the fan for thermal safety. All parts of the water portion of boiler are made of seamless pipe ST 35.4 quality and boiler plate thickness of 5 mm or more, depending on the power of boiler. Sheets are of the quality of the Standard 1.0425 EU i.e. Standard P265GH EUII. Combustion chamber, in its principle of work. The so-called under (bottom) feeding, where the zone of transport of fuel is going vertically upwards i.e. it springs up to the combustion zone. It is made of solid insulating materials and cast iron. Fuel transport is provided by screw transporters. The fuel is coming from the silo of the capacity of 240 L. If necessary, it is easy to dismantle the whole assembly into three independent entities: silo, the mechanism for setting and boiler. Discription:

IMPORTANT WARNINGS. We emphasize that the use of the device working on bio-massmass and solid fuel, having contact with electricity and water, demands respect and security measures such as: • The use of the boiler by the children and people with limited capabilities without accompaniment is not allowed. • It is forbidden to use boiler installations operating at temperatures higher then 110 ˚ C, and pressure greater than 3 bar. • It is not allowed to use easily inflammable fuels (alcohol, oil) for faster wood ignition. • It is forbidden to store easily flammable materials near the boiler and close the door for firing. The ashes must be disposed off in closed and non-flammable containers. • It is prohibited to incinerate waste materials which cause combustion flame or explosion hazard (( eg. plastic bags, sawdust, coal dust, mud, etc.). • It is prohibited to any person or technical intervention or cleaning the boiler before it is switched off the main power supply switch, the setting on the device (0) "off". • It is prohibited to change the safety elements. • It is forbidden to close the vents in the room where the boiler is located. Air vents are needed for proper combustion. • No exposure to atmospheric turbulents. The boiler is not designed for outdoor use and contains no anti-freeze system. • It is forbidden to turn off the boiler when the outside temperature can drop below zero (to prevent freezing). • Be aware of safety air valve position (detailed explanation in the chapter OPERATION START OF BOILER). • In the case of intervention on any electrical device of boiler, switch off all the electrical wiring and so it is removed from the mains socket. • Work with of boiler unit is forbidden for people with special needs (including children) to physical and mental health, except under the supervision of a guardian, and the people who are responsible for their behavior. • Children must be supervised by a guardian as they do not play with the appliance boiler. • If the damaged power protection, must be replaced in the factory and serviced by an authorized dealer or qualified people to avoid the risk of electric shock. • Provide adequate distance from flammable materials, if necessary to ensure the protection of the same. • Minimum distance from flammable materials is required by law - please inquire of professionals who deal with heating and Emission effluents. • The minimum distance of the boiler and flue pipe gas from the low and averagely combustible materials should be at least 100100 mm. • Minimum distance from flammable materials is 200mm200 mm , and the same goes for materials whose flammability is not known. A ...Noncombu-stible asbestos, stone, building stone, ceramic wall tiles. terracotta, plaster, screed (without organic additives ) B... Non easily flammable Gypsum cardboard slab, glass fiber slab of ACUMINE, ISOMINE, ROYALITE, XXXXXX, VELOX, HERACLITE C1.. Low combustible beech and oak wood, composite wood, file, slab of HOBREX, Versalite, umakart C2 ... Averagely combustible wood of pine, yew and pine, composite materials C3... Easily combustible Asphalt, paperboard, cellulose materials, chipboard, cork, polyurethane, polystyrene, polypropylene, polyethylene fiber floor • Storage of flammable materials and liquids in the vicinity of the boiler is prohibited. • Be sure to warn users about the required minimum distance of combustible material from the boiler. Boiler ECO COMFORT BIOmax is developed as the Company RADIJATOR ENGINEERING might offer to the market the boiler, which by its mechanical and thermal properties is specially intended for biomass as fuel. Using the general term "BIOMASS BIOMASS", of course, it is primarily meant and considered - the pellet, but it should be noted and the possibility of firing the seeds of fruit (cherries, blackcherries...). If the user wants to use some form of biomass that is not listed, be sure to call the service design and development RADIJATOR INŽENJERING or an authorized dealer, because very often some forms of biomass require a separate, specific combustion solutions. When using these fuels means the automatic control of the main operating parameters. In all stipulated examples of using biomass it requires a certain degree of dryness of the fuels. Only the combustion takes place in this situation under the forced drafts centrifugal fan, there is a pull-out gas, and adding secondary air intake fan on the exit part of the boiler. Of course it is BIOmax in these conditions combustion more efficient than its predecessors, which operate on the principle of free draft or forced draft just one fan. Wood pellets are produced from 100 % cellulose. Wood residues under high pressure are compressed into pellets of 6 mm in diameter and in length of 2- 3cmcm . Pellets should be stored correctly in a dry place to ensure efficient combustion. Boilers ECO COMFORT 25 BIOmax 23.1 and ECO COMFORT 45 BIOMax 35 use pellet of 6mm diameter, of 5 -30mm length and humidity up to 10 % manufactured in accordance with EN 14962-2. The water portion Series of boilers BIOmax IS MANUFACTURED in two variants: BIOmax23.1 and BIOmax35. BIOmax23.1 covers the power range of 15–23 kW and BIOmax35 is in the range of 20–34,9kW. By exterior design, size firebox openings for heating and cleaning BIOmax kept all the good features of the previous model in which the RADIJATOR INŽENJERING distinctive market. Water part of the boiler, its mode of heat exchange changes between the flue gas heat and water is water, adjusted to biomass and wood. Because of the the application of biomass and coal.Due to the use of two fans, ie. Due to that is forced draft the path of flue gas path is longer than with standard boilers. For the same reasons it is possible to use a router for flue gasesreasons, the so-called turbulators, which usage of routers flue gases - turbulators further increase the degree of efficiency of the boiler. In BIOMax boilers where the exchanger tubes are of 42mm diameter ( BIOmax 23.1 ) and 48mm ( BIOmax35 ) spiral turbulence units have been applied having the dual role i.e. leading to greater efficiency as well as to facilitate cleaning. (see Figure 1) Efficiency of pellet is over 91 90 %. In normal mode the flue gas temperature at the exit is about 170 120 ° C, and in maximum regimes it is below 210 150 ° C. These values may at any time to observed on the display. Each ECO COMFORT TKAN boiler has a copper heat exchanger for the connection of the fan for thermal safetysafety as well as the flap for fire initiation. All parts of the water portion of boiler are made of seamless pipe ST 35.4 quality and boiler plate thickness of 5 mm or more, depending on the power of boiler. Sheets are of the quality of the Standard 1.0425 EU i.e. Standard P265GH EUII. Combustion chamberchamber (figure2, pos. 2), in its it’s principle of work. The so-called under (bottom) feedingcalled,, spring up ", where the zone of transport of fuel is going vertically upwards i.e. it springs up to the combustion zone. It is made of solid insulating materials and cast iron. Fuel transport (figure 2, pos.4) is provided by screw transporters. There is a noticeable difference in the feeder for BIOmax23.1 and the feeder for BIOmax35. In fact, there is the difference in the form of valves for setting the air assembled onto the feeder of BIOmax23.1, all these in order to get the best possible emission of flue gases (figure 2) , further explained in text in item 8.2. The fuel is coming from the silo of the capacity of 240 L. L (figure 2,pos.5). If necessary, it is easy to dismantle the whole assembly into three independent entities: silo, the mechanism for setting and boiler. (figure 2) Discription: