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20KW Wall Hung Boiler Natural Gas Tankless Water Heater Residential Multiple Points

Foshan Shunde Dongyuan Gas Appliances Industrial Co., Ltd.
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20KW Wall Hung Boiler Natural Gas Tankless Water Heater Residential Multiple Points

Brand Name : Dongyuan

Model Number : L1PB20-NS05

Certification : ISO14001,ISO9001,OHSAS18001

Place of Origin : China,Shunde

MOQ : Negotiable

Price : Negotiable

Payment Terms : L/C, T/T, Western Union

Supply Ability : 10000pcs per month

Delivery Time : 30days after receiving the deposit

Packaging Details : ach product in plastic bag which comes with the product instructions and foam packaging, then carton packaging outside with another thicker plastic bag.

Installation : Wall Mounted

Housing material : Stainless Steel

Power (w) : 20000

Gas type : LPG / NG

Usage : Bath & Heating,Water Heating,Gas Home Appliance

Color : White or Grey

Use : Bathroom,Outdoor or kitchen

Function : Remote Controlled

Display : LED Displayer Optional

Gas heater type : gas boiler

Advantage : Energy Save

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Wall Hung Boiler 20KW Natural Gas Tankless Water Heater Residential Multiple Points

Technical data

Rated Gas Pressure(Pa) 2000/2800
Gas Type NG/LPG
Model number L1PB20 L1PB26
Rated Gas Input(kw) 20 26
Rated Gas Output(kw) 17.6 23.1
Efficiency Under Rated Heat Input(%) Above 88%
Temp.Range Of Heating Water(℃) Radiator:30-80 Floor Heating:30-60
Power Supply 20-50HZ
Application Water Pressure(Mpa) 0.1-0.3
Lift Of pump(m) 5 5
Heating Area(㎡) 80-160 100-200
Electric Power(W) 110 110
Water Circulation Type Airtight Forced Circulation
Expansion Tank Capacity(L) 6 6
△T=25℃ Hot Water Supply(kg/min) 10 13
△T=30℃ Hot Water Supply(kg/min) 8.3 10.8
Preset Pressure Of Expansion Vessel(Mpa) 0.1
The Minimum Starting Flow (L/min) 2
The Minimum Closed Flow(L/min) 1.6
Temp.Range Of DHW Supply(℃) 30-60
Applicative Water Pressure(mpa) 0.03-0.8
Sparated Input/Exhaust Duct(optional) φ80/φ100
Air Input/Exhaust Duct(mm) φ60/φ100
Exhaust Type Forced Exhaust
Noise On Working(DB) <42
The length Of Flue Dust(m) 1
Temperature Control Gas Proportional Adjustment
Ignition Type Integrated Automatic Ignition

20KW Wall Hung Boiler Natural Gas Tankless Water Heater Residential Multiple Points

- With control circuit boards, control centers for high-intelligent equipment operation and safety protection.

- With multi- stage intelligent antifreeze, multi-stage combustion, the temperature is less than 8 degrees celsius to start automatically, the pump after the cycle in the burning to stop working, the pump.

- With normal mode, state mode, diagnostic mode, failure mode, can quickly provide comfortable hot water in a very short time.

- Ultra-low pressure start, hot water hot start, short time cycle control, circulation pump delay control.

- Intelligent and economical control system.

- Integrated 24-hour/ week timer allows to set period of times with normal or lower heating temperature within each day of week with the benefits of comfort and low gas consumption.

- Frost protection: Burner and pump will be switch on automatically by danger of freezing. It is allowed to use antifreeze liquid instead of water in the heating system.

- Air draught model. Open chamber, especially design for house type with collective flue.

- Multiple security features, automatic return to work status,security no worries.

- Can connect with room thermostat and remote controller which can provide more function options.

- Digital display system pressure,more precisely.

- 24H timing switch enable setting on/off with random needs.

- Integrated design of control system,120 degree turns over freely, convenience for maintenance.

- Main heat exchanger with high efficiency and energy-saving enable heating efficiency reach Europe Standard.

- With efficient, energy saving and high lift water pump ensure boiler low noise while working.

- With Aluminum fan and good quality ball bearing ensure low noise while working.

- Fashionable LED display with indicate light, fur able touch switch operation.(Fashionable LED display with durable touch and knob switch operation.)

- With modular structure design, advances assemble process,ensure excellent quality.

- With one button comfortable mode for both, be more convenient and quick.

- With special pressure sensor to monitor the pump and change of heating system.

- With silent technology, and running voice is lower than national standard.

- With selectable device of huge volume water tank to satisfy variety requests for hot water.

- With function of heating and domestic hot water to be used freely.


20KW Wall Hung Boiler Natural Gas Tankless Water Heater Residential Multiple Points20KW Wall Hung Boiler Natural Gas Tankless Water Heater Residential Multiple Points


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