Chromex Tankless Heater Descale Kit - Just Add Vinegar Blue

4 Piece Tankless Water Heater Flush Kit. Helps maintain and extend the lifespan of your tankless water heater Kit comes with 5 gallon bucket with lid, 1/6 HP Pump, and 2 Steel hoses. Just add 2-3 gallons of vinegar or your own descaling solution Works with most all tankless water heaters such as Rinnai, Bosch, Easily connects to tankless isolation valves using supplied 6' Color Coded Hoses. Effective in Use.