Includes quart eco-friendly descaler, 1/6 HP pump, braided steel hoses, square bucket, instruction manual, and maintenance card. 1/6 HP pump with thermal overload protection ensures safe and efficient water circulation. Braided steel hoses are tear-resistant, leak-proof, and built for reliable performance. Eco-friendly descaler dissolves limescale without harsh chemicals or odors. Space-saving 3.5-gallon square bucket makes mixing and storage easy. Helps prevent costly repairs by maintaining optimal heater efficiency. Compatible with all brands like Rinnai, Bosch, Noritz, Rheem, and more. The Allied Science Tankless Water Heater Flushing Kit provides everything you need to maintain your tankless water heater. This complete kit includes a quart of eco-friendly descaler, a 1/6 HP pump for reliable water circulation, two braided steel hoses, a 3.5-gallon square bucket, a maintenance card, and an instruction manual. The descaler effectively removes limescale deposits, improving efficiency and extending the life of your system.