Back Up Sump Pump Alarm

My father-in-law has one sump pump well in his basement with two sump pumps in it (a primary and backup pump)

A while ago, the primary pump failed. The back up pump eventually turned on and worked but its float was set so high that some of the basement got wet.

We lowered the float position of the back up pump.

We added a added a water level alarm.

We made this alarm to let us know when the back up pump is running. This way, he knows that he needs to go buy a new primary pump.

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