Support for all of your ESI Products

To remove UNBOIL message from ESi Series 4 thermostats (ESRTP4, ESRTP4+, ESRTP4RF, ESRTP4RF+)

  1. Move the slider bar to the OFF position.
  2. Hold the >> button and insert a pin or similar into the
    reset hole under the slider bar at the same time.
  3. Release the reset and >> button.
  4. Move the slider bar to AUTO.
  5. Press the HOME button.

This should remove the unboil message from the screen, you may need to reset the time and date on your thermostat.

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