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  1. J

    Pentair Mastertemp 250 temperature setting

    Thanks. There is no automation or remote controls connected to heater
  2. J

    Pentair Mastertemp 250 temperature setting

    Hi All. After setting the temperature to the desired level, heater comes on as expected and shuts off when temperature reached. At some point after(I haven’t been able to pinpoint when) the temperature setting reverts to 70-degrees (I believe the default temp). No error messages on the display...