| 摘要 |
PROBLEM TO BE SOLVED: To provide a bathtub pan for a bathroom unit, which allows inspection and cleaning of a joint portion of drainage channels, especially drain pipes, arranged at a location below the bathtub pan without affecting a skeleton and a finishing material, and to always keep the interior of the bathtub pan clean. SOLUTION: The bathtub pan for the bathroom unit, for receiving a bathtub from below, is comprised of a pan bottom surface serving as the drainage channel, a protruding portion upward protruded from the pan bottom surface, a drainage channel inspection hole on which a 150 mm diameter circle formed in the protruding portion can be inscribed, and a cover for covering the drainage channel inspection hole. According to the bathtub pan, the cover and a top face of the protruding portion is inclined in one direction.
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