● One heat exchanger

● Ninefold protection. Excellent safety

● Special Design for large area heating purpose

● Supplying both heating and Domestic hot water

● Heating and sanitary hot water temperature is input digitally

● Environment friendly: Low level of  CO and NOX content in the waste gas

● Constant temperature: It is designed special flow stabilized mount for sanitary hot water system

● Energy-saving: The thermal efficiency can reach above 91% by using intelligent room temperature controller

● Heating water and sanitary hot water is divided and temperature can be set freely. Priority on sanitary hot water

● Safety: With close gas supply and exhaust design, gets fresh air for combustion from outdoor and the waste gas is exhausted outdoor.

● With close waterway design and built-in expansion water tank. It's hard to generate scale because the circulation hot water is totally isolated from atmospheric air