DSCL-KIT Noritz Tankless Descale Kit Kit includes 1/6 HP submersible pump, (2) 5 ft. hoses, 5 gal. bucket and lidCompatible with all NORITZ tankless modelsCompact and convenientPump and hoses can be stored in the 5 gal. bucket after each useMaintains longevity and efficiency of your NORITZ tanklessRoutine maintenance allows your unit to achieve years of optimal performanceDescaling solution is not included in this kitSimply add a 50:50 ratio of descaling solution and water to your bucketIsolator valves are also required for proper flushing, they are not included in the kitWater heater must remain connected to electrical power when flushing the heat exchanger