Blog

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 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 DIMENSIONS REPLACEMENT PARTS SERVICE CHECKLIST SPECIFICATIONS 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.