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Catalog Defro 2024

Models
28
Media reviews
5
34 offers in online stores
Boilers Defro
Common error codes in Bosch gas boilers
Common error codes in Bosch gas boilers
The nomenclature of codes allows you to decipher the signals indicating equipment malfunctions
Energy efficiency coefficients COP, EER, SCOP and SEER and their importance in choosing a heating system
Energy efficiency coefficients COP, EER, SCOP and SEER and their importance in choosing a heating system
Characteristics of thermal equipment, allowing you to choose the most economical heating system
The best double-circuit condensing boilers
The best double-circuit condensing boilers
Autonomous and energy-efficient heating boilers with high efficiency and a separate circuit for hot water