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