UV water disinfection systems are trusted to provide clean, healthy water, but they can't do their job if they aren't maintained properly. You need to change the germicidal UV lamp once a year, and make sure that all of the other parts are working correctly. US Water Systems offers a number of disinfection system parts, including UV sleeves, lamps, and ballasts, for the most popular ultraviolet water disinfection systems. We carry parts for Hydro-Safe, Polaris, Sterilight, Trojan, and other brands " and, of course, you'll get great deals on parts for US Water UV systems too! Not only do we have reliable products at reasonable prices, we also offer experienced tech support from Certified Water Specialists. Call 1-800-608-8792 and we'll be glad to discuss your water problems or system issues.