Kit, Sprayhead Assembly, 21 Hole W/Wave is a genuine Bunn OEM replacement part. Part number 40670.1020 is used for certain commercial beverage equipment made by BUNN. This part will help repair specific issues you are having with Bunnomatic model DUALTF, SINGLETF commercial machines. Replace this part if BUNN or a service technician has instructed you to do so. Over time Sprayheads may need to be replaced because of normal wear and tear or if damage has occurred to the existing part. When replacing BUNN part #40670.1020 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, Sprayhead Assembly, 21 Hole W/Wave fits your specific needs.