Complete flushing kit includes a submersible utility pump, two 6-foot color-coded rubber hoses, a 3.5-gallon measuring bucket, and 1.2 lb descaling powder. Biodegradable descaling powder quickly dissolves limescale buildup, improving water heater efficiency without harsh odors. Made in America. Submersible pump features a strong filter, built-in thermal overload protection, and a 3-prong power cord for safe and efficient operation. Durable hot/cold rubber hoses are tear-resistant, leak-proof, and burst-proof for reliable water flow during flushing. 3.5-gallon clear measuring bucket with gallon, quart, and liter markings ensures accurate liquid preparation. Compact, easily storable descaling powder makes repeat maintenance hassle-free. Maintenance log sheet included for tracking service dates, ensuring consistent upkeep for peak water heater performance. Works with most all tankless water heaters such as Rinnai, Bosch, Noritz, Rheem, Takagi, Tempra, Navien, Ecosmart, Stiebel, Eccotemp, Atmor, Trutankless, Marey Power, and others. The DrainX Tankless Water Heater Flushing Kit provides a complete solution for flushing and maintaining your tankless water heater, improving performance and extending its lifespan. This comprehensive kit includes a submersible utility pump with a strong filter and thermal overload protection, two 6-foot tear-resistant rubber hoses, a 3.5-gallon measuring bucket with clear markings, and 1.2 lb of biodegradable descaling powder. The powder dissolves limescale buildup quickly and efficiently, outperforming vinegar while being safer and easier to store. Designed for DIY annual or biannual maintenance, the kit also features a maintenance log sheet to help track service dates, ensuring consistent care and optimal operation of your tankless water heater.