Filter assembly and water heater

The utility model discloses a filter assembly and a water heater, and the filter assembly comprises a filtering device which is provided with a raw water pipe and a purified water pipe; the adapter isprovided with an input port and an output port, and the input port and the output port are not coaxially arranged; the adapter is arranged on the raw water pipe, and the output port is connected withthe raw water pipe; or, the adapter is arranged on the water purification pipe, and the input port is connected with the water purification pipe. By the adoption of the adapter, the adapter is provided with the input port and the output port which are arranged at different angles, the input direction and the output direction are not coaxial, when the filter is installed, the filter can be installed at different angles according to needs, and then the installation angle of the filter can be consistent with the appearance of the water heater; the effect of reducing the overall size of the filter is achieved. 本实用新型公开一种过滤