Developed and manufactured by China Baedin, a professional enterprise focusing on wall-mounted heating equipment R&D and production, the Sectional Combustion Wall-hung Boiler is a newly upgraded integrated household heating and hot water unit. Adopting advanced sectional graded combustion technology, it replaces traditional single-mode combustion to realize intelligent segmented fuel regulation. Fitted with a high-efficiency separated heat exchange system and precision hydraulic parts, it enables independent space heating and domestic hot water circuits. With high-sensitivity temperature monitoring, full safety protection and stainless steel core components, it features high energy efficiency, low noise and stable operation, ideal for modern families with variable temperature and water usage demands.
To cater to the diversified heating and hot water demands of different residential spaces, this sectional combustion wall-hung boiler is equipped with six complete power grades, including 20KW, 24KW, 28KW, 32KW, 36KW and 40KW. Users can select targeted models according to actual building area, indoor heat load and household water consumption frequency. The rich power portfolio covers small and medium-sized apartments, large flat houses and high-end villas, fully meeting the whole-house heating and daily hot water supply demands of different family scales.
Scenario Adaptability & Operational Advantages
Featuring flexible sectional combustion output and high-efficiency heat conversion, this wall-hung boiler is widely applicable to various residential scenarios such as urban residential buildings, large-family houses and customized villas. It adopts a scenario-adaptive operating program, which can intelligently adjust combustion status according to ambient temperature and usage frequency, maintaining stable operation in different seasons and installation conditions. In addition, it is embedded with anti-interference performance and pump anti-clogging protection design, which can cope with complex household power environments and long-term idle conditions, realizing long-term stable heating and constant-temperature hot water output for families.
Unique Technical Strengths
Graded Sectional Combustion, Energy-saving & Precise Temperature Control
Different from conventional boilers with fixed combustion power, this equipment adopts intelligent sectional combustion technology, which can automatically switch combustion gears according to real-time heating and hot water demand. The graded power output avoids frequent start and stop of the unit and excessive energy loss. Matched with an independent dual-channel heat exchange system, it effectively stabilizes outlet water temperature, eliminates temperature deviation during use, and achieves precise constant temperature control, bringing more energy-saving and comfortable water and heating experience.
Premium Stainless Steel Core, Robust & Long-lasting Service Performance
The key combustion and heat exchange components are made of customized high-strength stainless steel materials, which have excellent high-temperature oxidation resistance, water corrosion resistance and aging resistance. The optimized combustion structure ensures full and uniform fuel combustion, effectively reducing carbon deposition and component wear. All core parts are manufactured and tested in strict accordance with industrial high standards, supporting long-term continuous operation of the equipment, with low failure rate and outstanding overall durability.
The unit is equipped with a upgraded intelligent anti-interference system, which can effectively resist external electromagnetic signals and grid voltage fluctuations, ensuring continuous and normal operation of the equipment in complex household electrical environments. The built-in circulating pump anti-seize protection mechanism can automatically activate the dredging and protection program after long-term standby to avoid pump body blockage and startup failure. Equipped with multiple safety monitoring and protection functions, the whole machine effectively eliminates potential usage risks and creates a safe and stable heating environment for families.
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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