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Thank you, that makes sense, just wanted to be sure before I change it.This means the 3rd sensor is
3rd in line for failsafe. Which means its status is OPEN all the time till for some reason water in sump gets too high. Then it goes to CLOSE.
Your ATO setting is correct and it will turns off the pump if it ever gets that high.
But you email alert is wrong.
You need to change it to
If swx3_2 OPEN then ON
No I have Swx_1 closed then off so that that switch will turn off the pump and then Swx_ 2 is the backup and then last resort is float valve.
Where's the programming for the "last resort" float valve?

