How To Make A Battery Backup Sump Pump
Notice here that the sump pump is now working off of the battery backup system and not relying on the electrical power grid in your house.
How to make a battery backup sump pump. Next attach the float switch to the discharge pipeline. When the water level raises the sump pump float to its tripping point the sump pump should turn on and pump the water out of the well. Place the backup next to the existing sump pump but make sure that they dont touch together. After mounting the pump sentry to the wall follow these steps.
Connect the red battery cable to the red positive terminal of the pump sentry. For my home i chose to go with the most expensive solution of a complete battery backup system. Connect the black battery cable to the black negative terminal of the pump sentry. Then you can start connecting the discharge lines.
Neither water alarms nor redundant sump pumps without battery backup minimized flooding risks enough to make me comfortable. Position the float switch for the new backup pump over the primary pump. Make sure the onoff switch is in the off position. Attach the battery backup charger.
Select a point where you feel the water level can adequately cause the backup battery to activate the pump. I purchased the wayne esp25 12 volt 3300 gallons per hour battery back up sump pump systemmy reasoning was.