Helps maintain the performance and extend the life of your tankless hot water heater Easily connects to tankless isolation valves using supplied 6' Color Coded Stainless Steel Hoses Everything you need in one kit to descale your tankless water heater in 30 minutes or less Suitable for DIY Homeowner or contractor use Includes 1/8 hp Utility Pump, 3.5 Gallon Bucket with Lid, Instructions & Calci-Free Tankless Water Heater Flush Cleaner - more effective than vinegar with no strong odor Works with Rheem, Bosch, Noritz, Rinnai, Takagi, Navien, Stiebel, Atmor, Ecosmart, Eccotemp, Marey Power, Tempra, Trutankless and others