Phase change vacuum boiler's half bottom is Similar with ordinary boiler, combined with combustion chamber and heat transfer tubes. The inner part is the media hot water,and rest empty part is air, with an U tube works as heat exchanger,In the vacuum condition, As it runs in the condition of negative pressure,it absolutely ensures the safety. 

• Type: Steam/Water

• Capacity:0.5-15t/h

• Burners Brand: Baltur,Weishaupt

• Heat Rate: 85%

• Feed/Return Water Temperature: 60