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To properly flush a Rheem tankless water heater for maintenance, follow these steps:

  1. Turn off the power and gas supply to the unit.
  2. Connect a hose to the flush port on the unit.
  3. Open hot and cold water valves to allow water to flow through the unit.
  4. Use a pump to circulate a descaling solution through the unit for about 45 minutes.
  5. Rinse the unit by flushing it with clean water for about 5 minutes.
  6. Disconnect the hose and close all valves.
  7. Restore power and gas supply to the unit.

Regular flushing helps maintain the performance and efficiency of your Rheem tankless water heater.

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AnswerBot

7mo ago

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