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Dual Fuel Gas Combi Boiler
  • Dual Fuel Gas Combi BoilerDual Fuel Gas Combi Boiler
  • Dual Fuel Gas Combi BoilerDual Fuel Gas Combi Boiler

Dual Fuel Gas Combi Boiler

Independently developed and manufactured by China Baedin, a professional manufacturer of wall-mounted heating appliances, the Dual Fuel Gas Combi Boiler adopts an innovative dual-fuel adaptive system to break the single energy limit of traditional boilers. Equipped with a dual independent heat exchange system and high-precision intelligent three-way valve, it fully separates heating and domestic hot water circuits for stable efficiency and constant water temperature. Integrated with a durable stainless steel combustion system, high-precision NTC sensors, multi-layer safety protection and gas proportional regulation, it offers flexible fuel adaptability, strong stability and wide environmental tolerance as a versatile integrated heating and hot water solution.

This dual-fuel integrated gas boiler provides six practical power grades: 20KW, 24KW, 28KW, 32KW, 36KW and 40KW. Users can select the optimal power model based on residential heating area, household population and daily hot water consumption volume. The rich and comprehensive power lineup covers the usage demands of small apartments, medium-sized households and large villas, fully meeting the whole-house heating and daily domestic hot water needs of different residential scenarios.

Applicable Usage Scenarios

Integrating dual-fuel compatible operation, high-efficiency heating and constant-temperature hot water supply, the Dual Fuel Gas Combi Boiler is perfectly tailored for modern residences including apartments, large luxury flats and villas. Designed to adapt to variable seasonal temperatures, different installation layouts and high-frequency daily operation, the equipment boasts precise temperature calibration, high thermal efficiency, low-noise silent operation and complete safety protection systems. Equipped with built-in anti-interference performance and circulation pump anti-jamming protection, it can operate stably in complex household power environments and after long-term standby, providing families with long-lasting, stable heating and constant hot water supply all year round.

Differentiated Core Strengths

Dual Isolated Heat Exchange System, Stable Constant-Temperature Water Output

Featuring a split dual heat exchange structure, the boiler completely separates the heating loop and domestic hot water loop without mutual operational interference. The high-performance stainless steel plate heat exchanger delivers superior thermal conductivity, effectively minimizing water temperature fluctuations during equipment switching and operation. It realizes rapid temperature response and stable constant-temperature water supply, greatly upgrading the comfort of household bathing and daily water use with consistent water temperature at all times.

Premium Industrial-grade Configuration, Durable and Long-lasting Performance

The core combustion component adopts upgraded stainless steel material, which possesses excellent high-temperature resistance, corrosion resistance and aging resistance. It ensures full, uniform and sufficient fuel combustion, reduces energy waste and component wear, and extends the overall service cycle of the equipment. All core parts and key components are produced under strict standardized quality inspection procedures, supporting long-hour continuous and stable operation with low failure rate and high durability.

Intelligent Optimized System, Safer and More Reliable Operation

The built-in anti-electromagnetic interference design effectively resists signal interference and voltage fluctuations in complex household electrical environments, ensuring uninterrupted and stable operation of the whole system. The intelligent circulating pump anti-lock protection function can automatically eliminate blockage risks after long-term inactivity, enabling smooth startup at any time. The optimized system algorithm and comprehensive safety configurations further enhance the overall operational reliability, making household heating and hot water use safer and more worry-free.

Technical Parameter

boilers unit L1PB20 L1PB24 L1PB28 L1PB32 L1PB36 L1PB40
Maximum heat input KW 20.0 24.0 28.0 32.0 36.0 40.0
Minimum heat input KW 8.8 9.6 11.2 12.8 14.4 16.0
Maximum heat output 80/60℃ KW 18.0 21.8 25.2 28.8 32.4 36.0
Minimum heat output 80/60℃ KW 7.7 8.4 9.8 11.2 12.6 14.2
Power nature
~220v 50Hz ~220v 50Hz ~220v 50Hz ~220v 50Hz ~220v 50Hz ~220v 50Hz
Efficiency at max output % 90.2 91.1 90.1 90.1 90.7 89.8
Efficiency at 30% % 88.7 88.7 88.7 88.7 88.7 88.7
Expansion vessel capacity Litres 6 6 6 8 8 10
Range of CH temperatures 30-80 30-80 30-80 30-80 30-80 30-80
Range of DHW temperatures 30-60 30-60 30-60 30-60 30-60 30-60
DHW production △t=25℃ I/min 10.3 12.0 14.0 16.0 18.0 20.0
Minimum DHW flow rate Vmin 2.5 2.5 2.5 2.5 2.5 2.5
Minimum DHW pressure Bar 0.2 0.2 0.2 0.2 0.2 0.2
Minimum working temperature 1 1 1 1 1 1
Dimensions(HxW×D) mm 720×400×325 720×420×325 720×490×340
Grade of protection
IPX4D IPX4D IPX4D IPX4D IPX4D IPX4D
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