Features:

• Provides uninterrupted pumping in the event of a power outage or main pump failure
• Fully assembled
• Primary pumps available in 1/3 and 1/2 hp
• Ready to connect to 1-1/2" discharge pipe
• System includes primary pump check valve and back-up pump check valve
• Suitable with AGM, Wet Cell or Gel type batteries (not included)
• Liberty Pumps StormCell batteries recommended for optimum performance