Tankless Water Heater Flush Kit – 1 Gallon Concentrated Vinegar Solution

Rinnai, Noritz, and other leading tankless water heater manufacturers specifically recommend vinegar-based descaling solutions — and this is the tankless water heater flush kit built around that recommendation. The centerpiece is a full gallon of 20% concentrated vinegar that dilutes to 4 gallons of ready-to-use flushing solution: natural, safe, effective, and manufacturer-approved. What's Included 6-gallon bucket with lid 1/6 HP submersible pump 2 PVC-coated premium hoses Pump grate 1 gallon 20% concentrated vinegar solution (dilutes to 4 gallons) Bonus maintenance tag Key Features & Benefits Manufacturer-recommended formula — vinegar-based descaling is endorsed by Rinnai and other major tankless heater brands; flush with confidence knowing you're following OEM guidelines Outstanding value per flush — 1 gallon of 20% concentrate dilutes to 4 full gallons of working solution, enough for multiple flush cycles or several annual services Natural and eco-frien