A fluid aparatus includes an apparatus main body that includes a motor and a fan driven by the motor, a frame on which the apparatus main body is mounted, a pipe that is detachably attached to the apparatus main body to discharge and introduce a fluid by rotation of the fan, an operation unit that is provided to the pipe to input an operation command for the apparatus main body by operation from outside, a cable that transmits a signal between the operation unit and the apparatus main body, and a connecting portion that is provided to the cable to separably couple the operation unit and the apparatus main body to each other.