Complete flushing kit includes a 1/6 HP submersible pump, two 6-foot color-coded rubber hoses, a 5-gallon measuring bucket, four 1-quart bottles of descaling solution, and a maintenance log tag for tracking service dates. Eco-friendly citric acid-based descaler is biodegradable, solvent-free, and safe for most metals, effectively removing scale, lime, and mineral buildup. 4 quarts of concentrated descaler provide multiple flushes, ensuring long-term maintenance and cost savings. Made in America 5-gallon clear measuring bucket features gallon, quart, and liter markings for accurate solution preparation and mixing. Maintenance log tag helps document flushing dates, ensuring annual or biannual maintenance is consistent and well-tracked. 1/6 HP submersible pump includes thermal overload protection, a strong bottom filter, and an NPT adapter for reliable water circulation. Hot and cold color-coded rubber hoses are tear-resistant, leak-proof, and burst-proof for efficient and secure water flow. Compatible with most tankless water heater brands, including Rinnai, Bosch, Noritz, Rheem, Takagi, Navien, Ecosmart, Stiebel Eltron, AO Smith, Westinghouse, and more. The DrainX Tankless Water Heater Flushing Kit is a complete solution for maintaining and improving the performance of your tankless water heater. Featuring a powerful 1/6 HP submersible pump, two 6-foot color-coded hoses, and a spacious 5-gallon measuring bucket, this kit makes flushing simple and effective. The included 4 Quarts of Powerful and EcoFriendly Descaling Solution that removes limescale, dirt, and buildup. With a maintenance log sheet and universal compatibility for most brands, this kit offers everything you need for routine water heater upkeep, saving time and costs.