Thank you very much for viewing. The main unit of the bath water heater (OTQ-G4702SAW) broke down, so I replaced it on December 4, Reiwa 7 (2025), and I am offering the now-unnecessary remote controls. The malfunction was due to a combustion system issue, so there were no problems with the remote controls. I wiped down the remote control in the bathroom, but the water stains wouldn't come off. Please see the photos. Please assume that there are overall dirt and scratches. RC-7501M-3 for installation in the changing room RC-7501S-3 for installation in the bathroom In general, please refrain from purchasing if you are concerned about the condition of the used items.