Description

Product features
1. Vacuum hot water boiler in the lower part of the structure formed by the combustion chamber and heat transfer tubes; on the part of the vacuum chamber, which inserts the U-line tube bundle heat exchanger
2. The overall state of the boiler to run at negative pressure to ensure absolute safety. 
3. The furnace heat medium in a closed vacuum chamber for heat exchange, heat exchange efficiency, energy saving significant; Boiler for long life; Small size, can be installed in a variety of environments; automatic control of water temperature, record the burning time and run Failure;Can use for heating and hot water.