Pump Sentry 822 PS- Emergency Power for Sump Pumps by Sec America Featured Products No venting

No venting

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Pump Sentry 822 PS- Emergency Power for Sump Pumps by Sec America Featured Products No venting822PS Pump Sentry is among the most advanced sump pump emergency battery backup systems available. It interfaces between a pump and its AC wall outlet. When AC utility power is present, the 822PS charges a battery and monitors the wall outlet to detect a power outage. At the moment utility power fails, the 822PS draws energy from a battery and converts it to enable pump operation. When utility power returns, the 822PS automatically switches the pump