Abstract: An eductor for a water treatment system, including an eductor body having an inlet end and an opposite outlet end, the body defining an interior with a nozzle chamber and a flared conical portion. A jet nozzle is provided that is dimensioned for location in the nozzle chamber, defining an internal passage in fluid communication with the interior. A duckbill valve located in the jet nozzle includes a base from which project a pair of inherently biased, complementary flaps, free ends of the flaps oriented to open towards the outlet end. A mesh cap has a porous exterior wall defining a cavity in fluid communication with the interior, the cap having an open end engageable in the inlet end of the eductor body so that upon attachment of the mesh cap to the inlet end, the duckbill valve is held in position in the internal passage of the jet nozzle.

Abstract: An eductor for a water treatment system, including an eductor body having an inlet end and an opposite outlet end, the body defining an interior with a nozzle chamber and a flared conical portion. A jet nozzle is provided that is dimensioned for location in the nozzle chamber, defining an internal passage in fluid communication with the interior. A duckbill valve located in the jet nozzle includes a base from which project a pair of inherently biased, complementary flaps, free ends of the flaps oriented to open towards the outlet end. A mesh cap has a porous exterior wall defining a cavity in fluid communication with the interior, the cap having an open end engageable in the inlet end of the eductor body so that upon attachment of the mesh cap to the inlet end, the duckbill valve is held in position in the internal passage of the jet nozzle.