Zoeller M803-A Grinder Pump 1.25D 115 Volts Single Phase M803A

Description:

The Zoeller M803-A Grinder Pump is used in wastewater and sewage systems to grind and pump solids-laden fluids for efficient transfer. Commonly installed in sewage ejector systems, septic applications, and residential or light commercial wastewater systems requiring solids reduction. Maintenance teams, plumbers, and system integrators use this part for repair, retrofit, or replacement to ensure reliable sewage handling and prevent clogging.

Applications:

The Zoeller M803-A grinder pump is widely used in residential and commercial wastewater systems such as basement sewage ejectors, septic lift stations, and low-pressure sewer systems. It is designed to handle raw sewage by grinding solids into fine slurry, allowing smooth transport through piping systems and reducing the risk of blockages in demanding environments.

Technical Specifications:

• Manufacturer: Zoeller
• Model / Part Number: M803-A
• Product Type: Submersible Grinder Pump
• Horsepower: 1/2 HP
• Voltage: 115V AC
• Phase: Single Phase
• Current: Approx. 7.0 Amps
• Speed: ~3400 RPM
• Discharge Size: 1-1/4" NPT
• Cutter System: Tri-Slice® grinding mechanism (reduces solids to ~1/8")
• Impeller Type: Vortex
• Construction: Cast iron housing with corrosion-resistant coating
• Operation: Automatic float-operated switch
• Cord Length: Typically 15 ft
• Application: Sewage ejector and wastewater systems

Common Replacements:

• Zoeller M805 Grinder Pump
• Zoeller M807 Grinder Pump
• Liberty Pumps PRG101A Grinder Pump