• Unit requires 3/4'' inlet line to operate properly
• 1-1/4'' suction pipe required for maximum performance (field installed)
• Removes 2 gallons (7.6 L) per gallon (3.8 L) used

The Zoeller 540 Flex water driven sump pump is there when the rains start, and emergencies pop up. A power outage can cause sump pumps to be rendered unusable, exposing your basement to the risk of flooding. With the Zoeller 540 Flex as the backup pump, you''''ll have the peace of mind that your home is protected.