Liberty PRG101A ProVore: The 1 HP Residential Grinder Pump Solution
The Liberty PRG101A (ProVore PRG-Series) is a powerful, residential submersible grinder pump engineered for efficient and reliable sewage handling. Designed for demanding conditions, it is equipped with Liberty’s patented V-Slice® cutter technology to shred solids, rags, wipes, and feminine products into a fine slurry that can pass safely through a 2" discharge line.
Key Features & Benefits
- Heavy Cast-Iron Construction — durable build for long life even in harsh sewage environments.
- V-Slice® Cutter Technology — two-blade stainless steel cutter and plate effectively shred tough solids; reduces maintenance.
- Oil-Filled, Thermally Protected Motor — continuous protection against overheating and better sealing performance.
- Automatic Wide-Angle Float Switch (PRG101A models) — plugs in, removable without removing pump; ensures proper activation.
- Versatile Use — compatible with 2" discharge systems; can replace many LE40 / LE50 solids-handling pumps with higher performance.
- Wide Operating Range — handles 115 V or 230 V single-phase (model dependent) operation on standard 20 A circuits.
Technical Specifications
| Model # | PRG101A |
| Horsepower | 1 HP |
| Voltage / Phase | 115 V, 1 phase |
| Full Load Amps | 12 A (115 V) |
| Locked Rotor Amps | 47.5 A |
| Discharge | 2" NPT downward / vertical outlet |
| Maximum Flow | Up to ~44 GPM (varies by head) |
| Maximum Head / Shut-off | 50 ft (approx) |
| Weight (Unit) | Approximately 58 lb (standard model) |
| Operating Temp (Fluid) | Up to 140 °F intermittent, 104 °F continuous |
| Impeller / Material | Class 25 cast-iron vortex style with stainless steel cutter |
Applications & Use Cases
- Residential sewage pumping in basements, below-grade areas, and low points
- Replacement in systems needing grinder pump performance where solids and fibrous waste are common
- Fits many 2" discharge systems — upgrade from solids-handling pumps where clogging or backpressure is a concern
Maintenance & Support
- Common pump parts & accessories include cutter kits, blocks, seals, and impellers. Liberty supports quick turnaround for critical parts.
- Inspect float switches, wiring, and seals yearly.
- Use proper priming fluids and avoid dry runs to protect the pump seal and motor assembly.
- Refer to the included pump installation guide for proper venting, check valve placement, and electrical wiring.