Zoeller Sump Pumps

Zoeller M-53

 

Model 53

Cast iron, 1/3 hp, mechanical float switch. The standard for basements. Pumps 2580 gph at 5 ft. head

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

Standard Features

 

  • 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

Zoeller M-98

 

Model 98

½ hp version of the popular M53. Pumps 4320 gph at 5 ft. head

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


Zoeller M-137

Model 137

 ½ hp, high volume version of M98. Pumps 6240 gph at 5 ft. head. Due to the height of this pump you cannot use an UltraSump Battery backup system 

Zoeller M-63

 It’s an upgraded version of the M53 while offering a much stronger warranty and beefier internal parts.   

5 year warranty

Zoeller M-95

 It’s an upgraded version of the M98 while offering a much stronger warranty and beefier internal parts.   

5 year warranty

Vortex Impeller Advantage

 Zoeller Pump Company discusses the differences between vortex impellers and other impellers