Zoeller Sewage Pumps

  • Durable, ASTM Class 25 cast iron motor housing cover and pump housing
  • Engineered plastic base on model 270
  • Not affected by materials normally found in drainage and sewage sumps
  • Stainless steel screws, bolts and handle
  • Oil-filled, hermetically-sealed, automatic reset thermal overload protected motor
  • Neoprene square ring & gasket
  • Carbon and ceramic shaft seal
  • 4270 series double seal pump available
  • Cast iron base on 4270
  • Upper sleeve bearing and lower ball bearing running in a bath of oil
  • Passes 2” (50 mm) spherical solids
  • 2” NPT discharge
  • Corrosion-resistant, powder coated epoxy finish
  • Models available packaged with a piggyback variable level float switch
  • Simplex and duplex systems available
  • Packaged systems available
  • Consult factory for special applications. 
  • Electrical alternators for duplex systems available with variable level control switches
  • Minimum recommended basin size (small load applications): simplex – 18” x 30” (45.7 x 76.2 cm), duplex – 30” x 30” (76.2 x 91.4 cm)
  • Standard model 270 – 49 lbs (22 Kg)
  • Standard model 4270 – 73 lbs (33 Kg)
  • High water alarms available
  • Mechanical alternators available for duplex systems