Filtration Maintenance; Rinse Vinegar From Water Heater - EcoSmart ECO 8 Troubleshooting Manual

11. Operate the pump and allow vinegar to circulate through the water heater for at least 3
hours at a rate of 4 gallons per minute.

Rinse Vinegar from Water Heater

1. Remove free end of drain hose from bucket and put in a sink or outside to drain
2. Allow vinegar to completely drain from drain hose
3. Disconnect pump outlet hose from service valve on the cold water line. Use bucket to
capture any excess water that may be in the line.
4. Screw cap tightly back onto service valve of cold water line*
5. Open shut-off valve on cold water line
6. Allow water to flow through water heater for 5 minutes as it continues to drain
7. Close shut-off valve on cold water line and allow heater to drain completely
8. Remove drain hose from service valve on hot water line
9. Screw cap tightly back onto service valve*
10. Open both cold and hot water line shut off valves
11. Open a few faucets of hot water for 2-3 minutes to remove any air pockets in the lines
12. Restore electrical power to the water heater

Filtration Maintenance

For filtration maintenance we recommend consulting your local water company or a water filter
specialist. You can find these filter systems at most hardware and plumbing supply stores, or
online. It is important to regulate calcium, lime and sediment levels in your water before it
enters your tankless water heater. See recommended levels below.
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