This Kit, Switch Master On/Off is a genuine Bunn OEM replacement part. Part number 38894.1002 is used for certain commercial coffee equipment made by BUNN. This part will help repair specific issues you are having with Bunnomatic model DUALSH, DUALTF, DUALTTN Coffee Brewers. Replace this part if BUNN or a service technician has instructed you to do so. Over time Switches for Bunn DUALSH, DUALTF, DUALTTN Coffee Brewers may need to be replaced because of normal wear and tear or if damage has occurred to the existing part. When replacing BUNN part #38894.1002 it is suggested that no power or water is connected to the machine and you are working in clean and non hazardous environment. Please be sure Kit, Switch Master On/Off fits your specific needs.