Automatic Adjustment 20kw Wall Hung Gas Boiler 6L Expansion Tank

High efficiency and energy saving wall hung gas boiler with Gas Automatic Adjustment technology

- Clip type of temperature sensor which can avoid scale deposit and damage, improve the stability of product.
- Room sealed combustion chamber with strengthened micro-negative pressure technology, avoiding any leakage of exhaust gas.
- The unique anti-corrosion coating and condensing water treatment technology, extend effectively the using life-time of the boiler.
- With Gas Automatic Adjustment technology, it makes the combustion completely and more environmental-friendly(Optional).
- Unique design of comfortable and smart energy saving model for heating.
- With temperature controller, can freely set different degrees in house in different time for any specific requirements,satisfying energy-saving and individual needs.
- High flow hot water central supply system,able to provide multiple users with hot water simultaneously.
- Design of European fashion style and operation of humanization.
- Adopting European combustion technology and heat exchanging technology,Increase heat efficiency and save energy.
- 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.


- With design of stable wind resistance, and the boiler works stably even in bad weather.
- With overtime protection when time for constant domestic hot water is more than 60 minutes, and the bath would be more safe.
- Fashionable flat panel design, easy to operate.
- With function of heating and domestic hot water to be used freely.
- Solid chamber structure design reduces combustion noise.
- Multiple automatic protections.
- With function of intelligent program,the time to on and off within one week can be set beforehand freely.
- With silent technology, and running voice is lower than national standard.
- With selectable device of indoor thermostat, the indoor temperature would be set freely and 20% energy saving.
- With silent technology, and running voice is lower than national standard.
- The system is controlled by intelligent micro computer. With automatic checking and judging, all working condition is clear.


- Main heat exchanger with high efficiency and energy-saving enable heating efficiency reach Europe Standard.
- With Aluminum fan and good quality ball bearing ensure low noise while working.
- The main parts are come from famous brand supplier which ensure best quality.
- Advanced pressure sensors technology process monitoring and water pressure displaying, ensure boiler safety.
- With Aluminum fan and good quality ball bearing ensure low noise while working.
- The main parts are come from famous brand supplier which ensure best quality.
- Super bigger LED display with indicate light,durable tough switch operation.( Super bigger LED display with durable touch switch operation.)
- High quality copper waterway valves and pipe components ensure how water supplier reliable and comfortable.
- The main parts are come from famous brand supplier which ensure best quality.
- Unique remote control system realizing climate compensation function,ensure energy saving.

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Technical data

Foshan Shunde Dongyuan gas appliances Ind. Co.,Ltd as the professional wall hung gas boiler factory was established in 2007 and start to develop the overseas market from 2010. Dongyuan gas appliances Ind. Co.,Ltd have five fully automated wall-hung gas boiler production line with an annual capacity of 700,000 units,have two engineers with 23 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 conform to the requests of CU-TR certificate and European standard, make they hot sale in Russia,Iran, Azerbaijan, Uzbekistan, Israel and other European and Middle East countries.

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, but also developed a condensing gas boiler with thermal efficiency up to 105%.

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.