About Us DrainX manufactures quality drain cleaning equipment for both do it your-selfers and professionals. Our main focus is innovation, quality and durability. We research and find the additional features our customers are looking for in their equipment, and diligently work to find a solution. Innovation and Quality is Our Priority Tankless Water Heater Flush Kit Everything you need in one kit to descale your tankless water heater in 30 minutes or less To ensure that a water heater continues to work at an optimum level, it is necessary to descale the appliance. This will mean removing the deposits that can build up from the use of hard water. Hard water is water that has high mineral content. Hard water is formed when water percolates through deposits of limestone, chalk or gypsum which are largely made up of calcium and magnesium carbonates, bicarbonates and sulfates. Helps maintain and extend the lifespan of your tankless water heater Kit comes with 3.5 gallon bucket with lid, 1/6 HP Pump, and 2 Steel hoses 6 Foot hoses easily connect to tankless heater valves, and the kit will clean most heaters in 30 minutes or less Just add 2-3 gallons of vinegar or your own descaling solution (not included with kit) Kit Includes: 3.5 Gallon Bucket with Lid 1/6 HP Pump 2 Steel Hoses Descaling directions: Disconnect power to water heater (electricity or gas as per manufacturer)Shut off main water supply valve to tankless water heating unitClose hot and cold water isolation valves and remove service caps (if isolation valves have not been installed on your heater, the heater must be disconnected and drained and the hoses directly to the hot and cold connections)Clean cold water inlet screen of any sediment or dirtAdd and mix until completely dissolved the full contents of your own descaler into two gallons of water in the provided bucketConnect one hose to pump's discharge outlet and the other end of the same hose to the cold isolation valve on the tankless water heaterConnect second hose to the hot isolation valve on the tankless water heater and the other end of the hose directly into the bucketOpen both the hot and cold isolation valvesTurn pump on and allow the solution to circulate for 20 minutes for proper cleaning. Never allow pump to run without adequate liquid in bucket or it will damage the pump.After cleaning is complete turn off the pumpClose cold isolation valve, remove the hose and replace the service gapRemove pump from the bucket and dispose the used cleaning solutionFlush tankless water heater for 5 minutes or until clear water flow by opening the main water supply, open cold isolation valve and let water pass through hot water valve to drain on the bucketClose hot water service valve and remove hose, replace with cap and open hot isolation valveClean cold water inlet screen of any sediment or dirtExamine all valves for a final check, afterwards connect power to water heater Metal Drain Auger, 25 FT Plastic Black Drain Auger, 25 FT Metal Drain Auger, 50 FT Metal Drill Drain Auger, 25 FT Metal Drill Drain Auger, 35 FT Metal Drill Drain Auger, 50 FT Buying Options Buying Options Add to Cart Add to Cart Buying Options Buying Options Customer Reviews 4.1 out of 5 stars 4,650 4.0 out of 5 stars 1,411 3.8 out of 5 stars 875 4.1 out of 5 stars 2,378 4.1 out of 5 stars 2,378 4.1 out of 5 stars 2,378 Price — no data — no data $155.23$155.23 $98.14$98.14 — no data — no data Available Cable Sizes: 25 ft 15 ft, 25 ft 25 ft, 35 ft, 50 ft 25 ft, 35 ft, 50 ft 25 ft, 35 ft, 50 ft 25 ft, 35 ft, 50 ft Drum material: Metal Plastic Metal Metal Metal Metal Drill attachment: X X X ✓ ✓ ✓ Included accessories: Work gloves, storage bag Work gloves, storage bag Work gloves, storage bag Work gloves, storage bag Work gloves, storage bag Work gloves, storage bag Extended Replacement Policy ✓ ✓ ✓ ✓ ✓ ✓