Zoeller 540 Flex Water Powered Backup Sump Pump System


  • $169.68
    Unit price per 

Zoeller FLEX is a high capacity, high efficiency, water-powered backup system. The FLEX takes over seamlessly when your primary sump system fails. Three Year Warranty.


  • Horizontal OR Vertical installation capability allows FLEX to fit most sump applications
  • No electricity or batteries required
  • Municipal/city water pressure-powered system
  • Unit requires 3/4 inlet line to operate properly
  • 1-1/4 suction pipe required for maximum performance (field installed)
  • Removes up to 2 gallons for every gallon used
  • Flexible installation allows you to install the pump in the rafters keeping the water line safe and secure
  • No moving float rod which allows you to effectively seal the sump pit cover
  • Works during power failures
  • On guard 24 hours day
  • Helps eliminate flooding in basements
  • Can be used with any existing brand of sump pump
  • Small footprint works in 18 x 22 (46 x 56 cm) pit
  • 1-1/2 Discharge Piping connection
  • Efficient water usage
  • High capacity, high head
  • Includes push-to-connect supply fitting (field installed)
  • Engineered for trouble-free operation
  • Non-corrosive materials
  • Performs at operating pressures from 40 to 80 psi
  • Primary sump pump not included
  • 3 year limited warranty

Technical Data

Installation Guide

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