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Pellet boiler FL 7

Power: 54.7 kW
Kit consist of: cast iron boiler FL 7, pellet burner Mikro P12 and additional door for the burner.

The kit does not include container for pellets.

High efficiency class: class 4 EN 303-5:2012

The product is registered in the program REECL and can be purchased with 20% discount from the price.

Price excl. tax: 4,070.00 лв.
Price inc. tax: 4,884.00 лв.


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Kit consist of: cast iron boiler FL 7, pellet burner Mikro P12 and additional door for the burner.

Efficiency: Class 4 EN 303-5:2012
Emissions: Class 5 EN 303-5:2012

Cast iron boiler FL 7:
An improved version of the cast iron boiler with high efficiency.
New engineering solution with two doors for easy and convenient switching from using pellets in operation with woods and/or coals.

Pellet burner Mikro P12

Latest version pellet burner with microprocessor control. Automatically maintaining of the room temperature, resulting in a saving of 20% from pellets.

Characteristics of the burner:

  • supplied with pellet feed system, complete with motor and feeding screw.
  • designed for use with boilers of series FL.
  • output modulation in 5 steps
  • automatic restart after power failure.
  • the burner automatically turns off when the door of boiler is open.
  • ability to control through thermostat.
  • microprocessor control allows weekly programming of the burner.
  • by using a weekly schedule and / or the room thermostat is automatically achieved maintaining the room temperature.
  • electronic board with display interface allows full operation setting and customisation to the installer (fan’s head, screw activation - pellet loading, temperature of water)
  • flue gas return safety thermostat set to 85°C.
  • automatic ignition and monitoring for the presence of flame via photocell.
  • burner first ignition through electric heater 300 W, very low consumption of energy.
  • ability to adjust the amount of air / pellets by changing the fan speed  and  screw speed on each step.
  • the burner is equipped with a system of self-diagnosis. In the event of a malfunction, the display shows the code of the fault, most of the anomalies are removed automatically from the burner.


It is recommended to order a container for pellets with a capacity of 140 or 238 kg. To order, please see the category Pellet burners - Accessories.

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KliVenTo provides warranty and post-warranty service of all supplied equipment and provision of spare parts for a period of 10 years.

Request for service you can do here.