Water tank and water heater with same

The invention provides a water tank and a water heater with the same. The water tank comprises an inner container, an outer shell and an electric appliance box, wherein the inner container is arrangedin the outer shell, a foaming agent gap is formed between the inner container and the outer shell, the electric appliance box is located in the foaming agent gap, and the electric appliance box comprises an insulating layer structure and a containing shell. The insulating layer structure is fixedly connected to the inner container, and the containing shell is arranged in the insulating layer structure. The water tank can effectively prevent a foaming layer. 本发明提供了种水箱及具有其的热水器。根据本发明的水箱包括内胆、外壳和电器盒，内胆设置在外壳内，且与外壳之间具有发泡剂间隙，电器盒位于发泡剂间隙内，电器盒包括绝缘层结构和容纳壳，绝缘层结构固定连接在内胆上，容纳壳设置在绝缘层结构内。该水箱可以有效防止发泡层。