Aermotor 4” SUBMERSIBLE PUMPS - 35, 50, 75, 90 GPM

The A+ Super Sub Series Stainless Steel 4” Submersible Pumps deliver efficient and dependable performance even in rough, aggressive water. Heads to 640 feet and capabilities to 120 GPM. Built to deliver long-term, trouble-free service. FDA compliant engineered composite and stainless steel components.


  • Heavy-duty 300 grade stainless steel construction provides smooth water passage to column pipe. Large wrench flats and rope hole

  • Top Bearing

  • Fieldproven A+, sealed and lubricated top bearing assembly keeps abrasives out, ensuring long bearing life

  • Impellers

  • 20% glassreinforced polycarbonate to resist abrasives and provide smooth water passage for minimal friction loss

  • Diffuser Bearing

  • Urethane bearings at each stage provide radial protection and stability, and excellent resistance to sand damage

  • Motor Bracket

  • 300 grade precision cast stainless steel. Incorporates an efficient hydraulic design for maximum volume and access to motor mounting nuts

  • Shaft

  • 300 grade "treated" stainless steel pump shaft is corrosionresistant. The hex shape offers generous impeller drive surfaces.

  • Motor Coupling

  • Pressed on, sintered 300 grade stainless steel for maximum corrosion resistance provides trouble- free transfer of power between motor and pump shaft

  • Shell

  • Heavy-gauge, 300-series stainless steel pump shell is durable and offers high corrosion resistance

  • Intake Screen

  • 300 series stainless steel material offers maximum corrosion resistance and protects against damaging solids entering the pump

  • Upthrust Bearing

  • Phenolic washers and stainless steel up thrust rings at each stage provide excellent wear resistant surfaces (90 GPM only)

  • Close block


    • Water systems... for residential, industrial, commercial, multiple housing and farm use.