Check out the Zoeller YouTube Channel for Webinars, Tips, Trainings, and Product Videos!


818, 819, 820 Grinder Pumps

818, 819, 820 Grinder Pumps

Commercial Grinder Pumps

1.0, 1.5 and 2.0 HP, single-direction grinder pumps uniquely designed with integral control

  • Automatic model with integral control, nonautomatic available
  • cCSAus listed
  • Durable, heavy-duty, finned cast iron construction
  • Legs provided for free-standing installation
  • Oil-filled, hermetically-sealed motor with Class B insulation, automatic reset thermal overload protected
  • Upper and lower ball bearings running in bath of oil
  • Hardened stainless steel cutter and disc
  • Cutters protected from abrasive solids
  • Stainless steel lifting handle, screws and bolts
  • Easily adapts to rail systems
  • Mechanical shaft seal – carbon/ceramic
  • Control panels not required
  • Simplex grinder package systems (unassembled and job ready/assembled) available
  • Corrosion-resistant, powder coated epoxy finish
  • Maximum operating temperature: 130 °F (54 °C)
  • Patent 8,562,287
  • 3 year limited warranty

Standard Features

  • Discharge: 1-1/4” NPT Vertical  or Horizontal
  • Carbon/ceramic seal
  • Thermal overload protection
  • Engineered plastic impeller
  • Stainless steel cutter plate/cutter
  • Stainless steel shaft
  • Stainless steel hardware
  • 20′ (6 m) power cord, extra lengths available (consult factory)

Product may not be exactly as pictured.

Contact factory for control panel selection.

Consult factory for access doors available on field mount systems and special basin configurations.

Motor 1.0 – 2.0 HP
Voltage 115 – 200 – 230 V
Phase 1 Ph
Hertz 60 Hz
RPM 3450 RPM
Type Capacitor start / capacitor run
Insulation Class B
Amps 7.7 – 15.5 Amps
Operation Automatic or nonautomatic
Auto On / Off Points Variable level float switch, customer sets
Discharge Size 1-1/4″ NPT vertical
Cord Length 20′ (6 m) standard
Cord Type SOW or SOOW multi-wire neoprene
Max Head 107′ (32.6 m)
Max Flow Rate 46 GPM (174 LPM)
Max Operating Temperature 130 °F (54 °C)
Cooling Oil filled
Motor Protection Auto reset thermal overload
Cap Cast iron
Motor Housing Cast iron
Pump Housing Cast iron
Base Cast iron
Upper Bearing Ball bearing
Lower Bearing Ball bearing
Mechanical Seals Carbon/ceramic
Impeller Type Vortex
Impeller Engineered plastic
Hardware Stainless steel
Motor Shaft Stainless steel
Gasket Neoprene
cCSAus  Powder Coated Tough  SWPA