Atmospheric pressure hot water boiler is also called non-pressure hot water boiler, which belongs to the category of civil domestic boilers. It is a non-pressure hot water boiler with an air vent on the top and the boiler body is always in normal pressure operation. Its main characteristics That is, the boiler is not under pressure and has no potential safety hazards. It is mainly used for heating and consumption of hot water. It is one of the most common types of boilers.

          The boiler is relatively safe. The boiler is open to the atmosphere and does not accept pressure, eliminating the possibility of explosions at some levels. Can use scrap boilers; save steel and simplify the manufacturing process. In my country's industrial boilers, many boilers are scrapped every year. If the pressure-bearing scrapped boilers can be converted into atmospheric pressure boilers, a lot of steel will be saved.
          At the same time, when manufacturing a new atmospheric boiler, due to the reduction of pressure components, a large amount of boiler steel can be saved, and the manufacturing process can also be simplified, saving manpower, material resources and financial resources. Atmospheric pressure boiler management is simplified. Because the atmospheric pressure boiler is relatively safe, the application design, manufacture and device management of the atmospheric pressure boiler are simplified, and the requirements for the boiler room are also reduced.
          In a heating system less than about three-story buildings; the operating cost of using a pressurized hot water boiler is basically the same as that of using an atmospheric pressure hot water boiler. However, the atmospheric pressure boiler needs to use a hot water pump, and the cost is higher; when the high-rise building uses an atmospheric pressure boiler, the circulating pump has a higher lift and the power consumption increases greatly.