Zoeller BN53 Effluent Pump

Item #: ZOEBN53
Zoeller BN53 Effluent Pump
Pump Performance Curve


3-Year Manufacturer's Warranty on Zoeller Effluent Pumps

The Zoeller BN53 Effluent Pump comes with a 3-year manufacturer's warranty.

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The Zoeller BN53 Effluent Pump has 1-1/2" NPT discharge with a solids handling up to 1/3" capability.

The Zoeller BN53 Effluent Pump is cast iron with powder coated epoxy finish and is part of the "Mighty-Mate" series of submersible pumps designed for use in residential or light commercial dewatering applications and can be used to transfer groundwater or effluent.

All Zoeller pumps are 100% pressure-tested, submerged and run to ensure quality and reliability for years of trouble-free performance.

Zoeller BN53 Pump Features

  • Cast iron switch case, motor and pump housing
  • Engineered thermoplastic base
  • Engineered, glass-filled, plastic impeller with metal insert
  • Stainless steel guard and handle
  • Lower and upper bearings, oil-fed cast iron

Zoeller Pump Features

  • Float-operated, submersible, 2-pole mechanical switch & 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
  • Carbon and ceramic shaft seal
  • Watertight and dust-tight
  • Permanently oiled bearings


Motor3/10 hp
Voltage115 or 230
Amps4.8 - 9.7
Weight25 lbs.
Dimensions10-3/32"L x 7-7/8"W x 10-1/16"H
Note: The sizing of effluent systems normally requires variable level float(s) controls and properly sized basins to achieve required pumping cycles or dosing timers with nonautomatic pumps.
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