Question: How should I clean the integrated non-return valve?


  1. Turn off the power supply and disconnect the power plug.
  2. Shut off the water source.
  3. Open the tap to release the pressure in the pipe system.
  4. Close the isolating valves and/or drain the pipes.
  5. Gradually open and remove the priming plug. The plug and non-return valve are one unit.
  6. Clean the integrated non-return valve with warm water and a soft brush.
  7. Assemble the components in reverse order.

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