| 摘要 |
Provided is an expansion tank for a gas boiler which may be easily manufactured at a low cost due to its simple structure, and may have high pressure resistance and high corrosion resistance against heating water. To this end, the expansion tank includes: a body that has an upper portion and a lower portion that are opened, includes a lattice heating water receiving unit that is divided into compartments by a plurality of diaphragms and in which heating water is received, and is integrally formed with the plurality of diaphragms; and an upper inner cover and a lower inner cover that are coupled to the body to cover the upper portion and the lower portion of the body. |
