This is an auction for the main unit and the water shut-off valve. Purchased in 2023 and used for about a year, it is being sold because it is no longer needed due to a kitchen remodel. The cartridge replacement time is approaching, so please purchase a new one separately before use. There is some slight staining on the hose, but otherwise, it is in a clean condition with no noticeable scratches. Please prepare a branch adapter, etc., according to your environment for installation. I confirmed that the power turns on just before listing. Please understand that this is a used item and consider purchasing it. *Due to the nature of the product, there may be water droplets remaining inside, please understand. Product: Panasonic TK-AS31 White The model number of the water shut-off valve is unknown.