Zoeller BN53 (53-0032) Effluent Pump With Variable Level Float, Cast Iron, 1/3 HP


  • $191.47
    Unit price per 

Considered one of Americas most popular sump pumps. This robust family of sump pumps is known for reliability, durability and performance. Available with an integral, 2-pole, snap action float switch. The heat-dissipating cast iron body with powder coated epoxy finish provides maximum pumping performance under the most extreme conditions. With Zoellers' cool run design, the hermetically sealed, oil-filled motor and non-clogging vortex impeller add up to a long-lasting, trouble-free product.


  • 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
  • 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: 130F (54C)
  • 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
  • 1 year limited warranty on 53
  • Cast iron motor and pump housing
  • Engineered thermoplastic base
  • Engineered, glass-filled, plastic impeller with metal insert
  • Stainless steel guard and handle
  • Cast iron sleeve bearings

Technical Data

Dimensional Drawing BN53

Installation Guide

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