The cover is loose. There is no fading or water stains, and it is very clean with no signs of use. There are no noticeable scratches or stains, but there is some remaining caulking, so please refrain from purchasing if you are sensitive to such details. The detailed operation of all the remote controls has not been confirmed. They are sold as is. Please understand that there is no warranty. To prevent any problems, they are treated as junk items, so please understand this before purchasing. Noritz water heater Noritz genuine remote control Noritz kitchen remote control Noritz bathroom remote control Water heater remote control RC-7501S RC-7501M Noritz main remote control Toho Gas TOHO GAS remote control