Zoeller M57 1-1/2" Pump

Professional-grade, 3/10 HP submersible pump for residential dewatering (sump) or effluent (septic tank systems) use.

Float-operated, submersible, 2-pole mechanical switch and variable level, long-cycle systems available
Corrosion-resistant, powder-coated epoxy finish
No sheet metal parts to rust or corrode
Stainless steel screws, switch arm, guard, and handle
No screens to clog
Watertight, neoprene square ring between motor and pump housing
Solid, buoyant, polypropylene float
Oil-filled, hermetically-sealed, automatic reset thermal overload protected motor
Upper and lower sleeve bearings running in bath of oil
Entire unit pressure-tested after assembly
Carbon and ceramic shaft seal
Maximum temperature for effluent or dewatering: 130 °F (54 °C)
Passes 1/2” (13 mm) spherical solids
1-1/2” NPT discharge
On point: 7-1/4” (18 cm)
Off point: 3” (8 cm)
Major width: 10-3/32" (26.2 cm)
Major height: 10-1/16" (25.6 cm)
Watertight and dust-tight