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| Place of Origin | China,Shunde |
| Brand Name | Dongyuan |
| Certification | ISO14001,ISO9001,OHSAS18001 |
| Model Number | L1PB20-HI |
Mini Design Wall Hung Combi Sealed System Boiler For Heating And Hot Water
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Technical data
| Model Number | L1PB20 |
| Gas Type | NG/LPG |
| Rated Gas Pressure(Pa) | 2000/2800 |
| Rated Gas Input(kw) | 20 |
| Rated Gas Output(kw) | 17.6 |
| Efficiency Under Rated Heat Input(%) | Above88% |
| Power Supply | 20-50HZ |
| Electric Power(W) | 110 |
| Temp.Range Of Heating Water(℃) | Radiator:30-80 Floor Heating:30-60 |
| Heating Area(㎡) | 80-160 |
| Lift Of pump(m) | 5 |
| Application Water Pressure(Mpa) | 0.1-0.3 |
| Expansion Tank Capacity(L) | 6 |
| Preset Pressure Of Expansion Vessel(Mpa) | 0.1 |
| Water Circulation Type | Airtight Forced Circulation |
| △T=25℃ Hot Water Supply(kg/min) | 10 |
| △T=30℃ Hot Water Supply(kg/min) | 8.3 |
| 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 |
| Packing Dimensions(mm) | 865*470*385 |
| Container(20GP/40GP/40HQ) | 17//357/434 |
- Adopting advanced technology and apperance design in accordance with European products.
Opeartion under regular mode or low temperature condition heating mode by setting the temperature precisely
through inductive digital technology.
- Utilize the safest balances forces air-supply and exhaust means, ensure the complete insulation of the
combustion air and exhaust gas from the living rooms, and nagative pressure combustion prevents exhaust gas
from polluting the indoor air under any circumstance.
- High flow hot water central supply system, able to provide multiple users with hot water simultaneously.
- With temperature controller, can freely set different degrees in house in different time for any specific requirements,
satisfying energy-saving and individual needs.
- All the important components are from the top-ranking professional manufacturers all over the world, pass strict
reliability and resistance tests by Dongyuan company technology testing center.
- Products are produced uinder European standard and pass the quanlity test of national gas appliances test center.
- With convenient and quick functions: Comfortable hot water adjustment, night mode, out mode.
- With Gas Automatic Adjustment technology, it makes the combustion completely and more environmental- friendly.
- With cast silicon aluminum material, ant-oxidtion and anti-corrosion, ensure the long life-time.
- Clip type of temperature sensor which can avoid scale deposit and damage, improve the stability of product.
- Adopting European combustion technology and heat exchanging technology, increase heat efficiency and save energy.
- Water flow and temperature double control, provides stable domestic hot water temperature.
- Comfortable constant shower water.
- Solid chamber structure design reduces combustion noise.
- Proportional controlling of gas flow, and heating with frequency conversion.
- With design of stable wind resistance, and the boiler works stably even in bad weather.
- Fashionable flat pabel design, easy to operate.
- With overtime protection when time for constant domestic hot water is more than 60 minutes,
and the bath would be more safe.
-With selectable device of indoor thermostat, the indoor temperature would be set freely and 20% energy saving.
- Hot water temperature would be judged freely, the bath would be more safe.
- With 20 kinds of safe protection to protect your whole family.
About Us
In order to meet the demand of heating market, Foshan Shunde Dongyuan gas appliances Ind. Co.,Ltd as a professional wall hung gas boiler , gas water heater manufacturer was established in 2007 and start to develop the overseas market from 2010 , and recognized as “ China High-tech enterprise” in 2017. We move to the new factory in 2018, and named Foshan Dongyuan Thermal Technology Co., Ltd.
With an area of 14,000 square meters, Foshan Dongyuan Thermal Technology Co., Ltd. have five fully automatic production lines with an annual capacity of 500,000 pieces ,have 8 engineers with 26 years R&D experiences . With the powerful and skillful work team, rigid production and quality control ,DONGYUAN success to obtain the ISO9001, ISO14001 certificate, our boilers and water heater hot sale well all over the world, especially in Russia, Iran, Azerbaijan, Uzbekistan, Israel and other European,Southest Asia and South America, etc.
From mold design and material development to precision machining and products finishing, DONGYUAN exercises strict quality control on each production stage, not only produce traditional wall-mounted gas boiler, flue type and force type gas water heater , but also develop condensing gas boiler with thermal efficiency up to 105% , and the balanced type gas water heater .
DONGYUAN will continue its effort to create high quality product and serve the customers from all over the world, to earn co-prosperity and mutual interest.
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