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