Mintain and extend the lifespan of your tankless hot water heater. Kit comes with 3.5 gallon bucket with lid, 1/6 HP Pump, 2 Steel Hoses, citric acid based descaler solution, a maintenace remider card, and instructions. Works with all tankless water heaters such as Rinnai, Bosch, Noritz, Rheem, Takagi, Tempra, Navien, Ecosmart, Stiebel, Eccotemp, Atmor, Trutankless, Marey Power, and others. 6 Foot hoses easily connect to tankless heater valves, and the kit will clean most heaters in 30 minutes or less! Usage instructions are included with your kit. Durable Heavy Duty steel Hoses and a 1/6 HP Submersible Uitility Pump are Included Our cleaning solution effectively eliminates scale deposits from tankless water heaters, enhancing their performance and extending their operational life. The formula, grounded in citric acid, is devoid of solvents and can safely interact with most metals, PVC, Rubber, and ABS plastic hoses and materials. Not only is it non-damaging to materials, it's also harmless for systems dealing with drinkable water. This tankless water-heater cleaning kit includes everything you need to fully maintain your water-heating system. It comes with step-by-step instructions that are easy to follow, and it connects easily to the tankless isolation valves using the supplied 6-foot hoses.