An electrolysis water-making apparatus (1A, 1B) comprising: a casing; an electrolytic cell installed in the casing and configured to perform electrolysis on a raw material solution; a raw material solution feed pump configured to pump the raw material solution to the electrolytic cell; and a diluting unit configured to dilute electrolyzed products extracted from the electrolytic cell with dilution water; a bracket configured to integrally attach the electrolytic cell and the raw material solution feed pump, and configured to be detachably fixed to the inside of the casing in a state in which the electrolytic cell and the raw material solution feed pump are attached thereto, characterized in that: a first piping is connected between the raw material solution feed pump and a storage tank configured to store the raw material solution, a connecting location of the first piping and the raw material solution feed pump is disposed over the storage tank, a second piping is connected between the electrolytic cell and the diluting unit, and a connecting location of the second piping and the diluting unit is disposed over a connecting location of the second piping and the electrolytic cell, wherein the first and second pipings (11, 12) are formed of a flexible pipe, and wherein the first and second pipings (11, 12) have lengths such that the bracket is extractable to the outside of the casing in a state in which the raw material solution feed pump, the electrolytic cell, and the diluting unit are connected to the respective connecting locations. a casing; an electrolytic cell installed in the casing and configured to perform electrolysis on a raw material solution; a raw material solution feed pump configured to pump the raw material solution to the electrolytic cell; and a diluting unit configured to dilute electrolyzed products extracted from the electrolytic cell with dilution water; a bracket configured to integrally attach the electrolytic cell and the raw material solution feed pump, and configured to be detachably fixed to the inside of the casing in a state in which the electrolytic cell and the raw material solution feed pump are attached thereto, characterized in that: a first piping is connected between the raw material solution feed pump and a storage tank configured to store the raw material solution, a connecting location of the first piping and the raw material solution feed pump is disposed over the storage tank, a second piping is connected between the electrolytic cell and the diluting unit, and a connecting location of the second piping and the diluting unit is disposed over a connecting location of the second piping and the electrolytic cell, a first piping is connected between the raw material solution feed pump and a storage tank configured to store the raw material solution, a connecting location of the first piping and the raw material solution feed pump is disposed over the storage tank, a second piping is connected between the electrolytic cell and the diluting unit, and a connecting location of the second piping and the diluting unit is disposed over a connecting location of the second piping and the electrolytic cell, wherein the first and second pipings (11, 12) are formed of a flexible pipe, and wherein the first and second pipings (11, 12) have lengths such that the bracket is extractable to the outside of the casing in a state in which the raw material solution feed pump, the electrolytic cell, and the diluting unit are connected to the respective connecting locations.