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Foshan Shunde Dongyuan Gas Appliances Industrial Co., Ltd.
TEL: 86--15015611061
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High Efficiency Gas Combi Boilers Stable Long Using Time For Hot Water Supplying
  • High Efficiency Gas Combi Boilers Stable Long Using Time For Hot Water Supplying

High Efficiency Gas Combi Boilers Stable Long Using Time For Hot Water Supplying

Place of Origin China,Shunde
Brand Name Dongyuan
Certification ISO14001,ISO9001,OHSAS18001
Model Number L1PB24-NA
Product Details
Heat Input:
Gas Type:
Heat Exchanger:
One Heat Exchanger
Protection Function:
Overheat Protection,Anti-freeze Protection
Thermal Efficiency:
Temperature Of Water:
Water Pressure For Heating And Hot Water:
Exhaust Type:
Forced Exhaust
Packing Dimention:
High Light: 

condensing combi boiler


high output combi boilers

Payment & Shipping Terms
Minimum Order Quantity
Packaging Details
Each product in plastic bag which comes with the product instructions and foam packaging, then carton packaging outside with another thicker plastic bag.
Delivery Time
15-30 work days
Payment Terms
T/T, Western Union
Supply Ability
Product Description

High efficiency Gas Combi Boilers stable long using time For Hot Water Supplying


Technical data


Model Number L1PB16 LIPB18 L1PB20 L1PB24 L1PB28 L1PB36
Gas Type NG/LPG
Rated Gas Pressure(Pa) 2000/2800
Rated Gas Input(kw) 16 18 20 24 28 36
Rated Gas Output(kw) 14.1 15.9 17.6 21.1 24.7 31.7
Efficiency Under Rated Heat Input(%) Above88%
Power Supply 20-50HZ
Electric Power(W) 110 110 110 110 130 145
Temp.Range Of Heating Water(℃) Radiator:30-80 Floor Heating:30-60
Heating Area(㎡) 60-120 70-140 80-160 100-200 160-260 200-300
Lift Of pump(m) 5 5 5 5 6 7
Application Water Pressure(Mpa) 0.1-0.3
Expansion Tank Capacity(L) 6 6 6 6 8 8
Preset Pressure Of Expansion Vessel(Mpa) 0.1
Water Circulation Type Airtight Forced Circulation
△T=25℃ Hot Water Supply(kg/min) 8 9 10 12 14 18
△T=30℃ Hot Water Supply(kg/min) 6.7 7.5 8.3 10 11.7 15
Temp.Range Of DHW Supply(℃) 30-60
Applicative Water Pressure(mpa) 0.03-0.8
The Minimum Starting Flow (L/min) 2
The Minimum Closed Flow(L/min) 1.6
Connections(mm) For Gas&Heating Water Pipes:G3/4 For DHW Pipes:G1/2
Air Input/Exhaust Duct(mm) φ60/φ100
Sparated Input/Exhaust Duct(optional) φ80/φ100
The length Of Flue Dust(m) 1
Noise On Working(DB) <42
Exhaust Type Forced Exhaust
Ignition Type Integrated Automatic Ignition
Temperature Control Gas Proportional Adjustment
Product Dimensions(mm) 740*400*305 855*470*390
Packing Dimensions(mm) 865*470*385 870*495*390
Container(20GP/40GP/40HQ) 17//357/434 166/333/404





- Flame out protection.

- Twice Anti-freezing function.

- Safety protection of overload water pressure of heating circulation.

- Reignition function.

- Automatic circulation function of pump.

- Wind pressure safety protection.

- Antimatic by-pass function for pump and control system.

- Overheat protection for domestic hot water.

- Water pressure monitor function of heating circulation.

- Anti-lock function for pump.

- Self-diagnostic function.

- Water temperature sensor failure protection.

- Defer ignition function.

- Water temperature sensor failure protection.

- The terminal temperature protection.




- High efficiency and gas-saving.

- Easy operation with digital LCD screen.

- Remote controller optional

- High quality components with CE certificates.

- Four section timer.

- Quietly working.

- Intelligent and economical control syetem.

- European Technology 

- Fashional appearance design.

- Provide both heating and domestic water.





High Efficiency Gas Combi Boilers Stable Long Using Time For Hot Water Supplying 0



With large LCD blue screen, intelligent controlled individually.


The system is controlled by intelligent micro computer. With automatic checking and judging, all 

working condition is clear.


Stand-button design, operation is very simple.





High Efficiency Gas Combi Boilers Stable Long Using Time For Hot Water Supplying 1
























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No.3 Depin Road, Xingtan,Shunde,Foshan,Guangdong,China
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