thread: ATO question
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Old 12/06/2017, 02:21 PM   #1
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Join Date: Apr 2016
Posts: 105
ATO question

Just bought an ice cap ATO. Seemed everything was working fine but when I woke up the ATO alarm was sounding.
It seems to me that the reason for the alarm is the fact that the water level in my sump is about an inch or more above the top sensor.
If this is so then why is it filling to this level and what can I do to correct it?

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