• Provides extra protection when the primary AC pump fails due to power outages, when the primary pump fails
• All models have battery burn out and overcharge
• Model 507 has a self contained 10 amp battery recharger
• All systems are fully solid state automatic controllers with alarms, light indicators and have warning systems
• NOTE: Sump Pump and Battery are not included, as they must be purchased separately

Product Condition:

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