Chisinau, str. Burebista 110 
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Installment plan for individuals and legal entities 
Solid fuel boiler with manual loading DEFRO KDR PLUS 3 A 50 kW
Technical characteristics
DEFRO KDR PLUS 3 A – a reliable and economical solid fuel boiler
The DEFRO KDR PLUS 3 A is a powerful heating boiler for private homes and cottages up to 500 m². It is equipped with a PID controller and a blower fan that automatically control combustion, maintaining the temperature up to 85°C. Upon reaching the set level, the system reduces or stops air supply, increasing energy efficiency and safety.
Supports the connection of two pumps (heating and domestic hot water) and a boiler temperature sensor, ensuring comfortable management.
Fuel flexibility:
Upper loading – fine coal.
Lower loading – firewood, coal, eco-pea, briquettes, wood chips.
Key features:
Durable heat exchanger – boiler steel P265GH (6 mm) from ArcelorMittal (Poland).
High efficiency (up to 83%) – multi-stage heat exchange reduces heat loss.
Effective thermal insulation – a layer of mineral wool minimizes heat loss and protects against burns.
Automatic control – the S3P controller regulates air supply and pump operation.
Multi-point air supply – uniform combustion and extended autonomous operation.
Convenience and ease of maintenance:
Movable grate – the foot pedal destroys slag, improving oxygen access.
Smoke removal system – adjustable damper and rear flue positioning.
Easy cleaning – convenient doors provide quick access to the heat exchanger and flue.
Advantages:
High efficiency (up to 83%) – fuel savings.
Spacious combustion chamber – requires less frequent loading.
Automatic air supply – stable temperature and reduced fuel consumption.
Robust construction – made from certified P265GH steel.
Fuel variety – suitable for firewood, coal, briquettes, and eco-pea.
Safety and comfort – thoughtful thermal insulation and ease of maintenance.
DEFRO KDR PLUS 3 A – reliability, efficiency, and convenience in every detail!
*The information about the product, its specifications, and price is provided for reference purposes only and may differ from the actual details. Before purchasing, we recommend confirming availability, parameters, the current price, as well as instalment terms and active promotions with a consultant to ensure all information is accurate.
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