Zoeller 840 Series Grinder Pumps Buyers Guide & Review

This Zoeller grinder pump is designed for grinding and pumping sewage from homes, public buildings, factories, schools, apartment buildings, lift stations, and other commercial applications. It is intended to grind and pump all normal sewage including reasonable quantities of disposable diapers, sanitary napkins paper towels, rubber materials, plastics, cigarette butts, and other items normally found in sewage.  The 840 pumps are easily retrofitted to some commercial rail systems and many operating control panels. This grinder pump has a unique reverse feature to help prevent overload on starting and extending the life of the cutter rotor and disc.

The Zoeller 800 Series (or “The Shark” series) grinder pumps are light, efficient models used in residential systems. Can handle typical household waste solids such as sanitary products and handwipes. Some models include the “Tri-Slice” cutter technology with three independent cutting channels.

  • Durable, heavy-duty, finned cast iron construction
  • Oil-filled, hermetically-sealed motor with Class F insulation
  • Hardened stainless steel cutter and disc
  • Cutters protected from abrasive solids
  • Cutters can automatically alternate direction to enhance blade life and free hang-ups (automatic or manual)
  • Stainless steel screws, bolts and lifting bail
  • Easily adapts to many existing competitors’ rail systems
  • Tandem seals with leak detection
  • Automatic thermal overload protection (1 Ph)
  • Thermal sensor protection (standard on 3 Ph)
  • Legs for free-standing installation
  • Preassembled systems available
  • Corrosion-resistant, powder coated epoxy finish

Standard Features:

  • Reversible cutter action (manual/auto**)
  • 1-1/4″ NPT vertical discharge
  • Carbon/ceramic tandem seals
  • Thermal sensors** (overload on 1PH)
  • Moisture probes**
  • Balanced ductile iron impeller
  • Stainless steel cutter and plate (R-C 55-60)
  • Stainless steel shaft
  • Stainless steel lifting bail
  • Corrosion-resistant, powder coated epoxy paint
  • 20′ (6 m) power cord, 20′ (6 m) sensor cord
  • Options:
    • Extended cord lengths
    • Anti-siphon device
    • Bronze impeller

Notes 
All variable level float switches in this section are mechanically activated and do not contain mercury.

Product may not be exactly as pictured.

**Requires circuit in control panel to function.

ZOELLER 840 SERIES GRINDER PUMPS

zoeller 818-819-820 series grinder pump Zoeller 840

Model Comparison Chart

Model Discharge (NPT) HP Voltage Phase GPM Max. Head
F840 1-1/4″ 2 230 3 45 104′
G840 1-1/4″ 2 460 3 45 104′
J840 1-1/4″ 2 200-208 3 45 104′
E840 1-1/4″ 2 230 1 45 104′
I840 1-1/4″ 2 200 1 45 104′
PERFORMANCE CURVES

zoeller 818-819-820 series grinder pump Pump Curve

DIMENSIONS

zoeller 818-819-820 series grinder pump Dimensions 2

REPLACEMENT PARTS

zoeller 818-819-820 series grinder pump Replacement Parts

SERVICE CHECKLIST

zoeller 818-819-820 series grinder pump Service Checklist

SPECIFICATIONS

zoeller 818-819-820 series grinder pump Specifications 2

BROCHURE
Zoeller 840 Series Grinder Pump Brochure
INSTALLATION INSTRUCTIONS
Zoeller 840 Series Grinder Pump Installation Instructions
OWNER’S MANUAL
Zoeller 840 Series Grinder Pump Owner’s Manual
SPECIFICATIONS
Zoeller 840 Series Grinder Pump Specifications
REPAIR PARTS
Zoeller 840 Series Grinder Pump Repair Parts

Pump Products application engineers are standing by to help you find the right pump, as well as to provide price quotes, stocking availability and shipping information. Call our toll free number 1-800-429-0800 to speak to an expert today.