How to Descale or Flush A Tankless Water Heater
- pedro moya
- Oct 14, 2020
- 1 min read
A Tankless water heater needs maintenance. Tankless water heater manufacturers recommend their units be flushed at least once a year to eliminate the buildup of calcium and other minerals within the unit -- even more often if you have hard water. Some units will indicate when the unit is in need of flushing. You can flush out a tankless hot water heater in about one hour.

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