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Cast iron grinder pump unit, cylindrical body, dark finish, power cord attached

Liberty

Liberty PRG101M Grinder Pump 1 hp 115V AC 10 ft

SKU CH-7YX7-8VGTV

Grinder pump delivers 42 gpm at 10 ft head with 1 hp motor on 115V AC power

  • 1 hp motor delivers 42 gpm at 10 ft head
  • 115V AC single-phase power with 12 A draw
  • Cast iron body and impeller with silicon carbide seal
  • Handles up to 50 ft max head for demanding lifts
  • Fits 24 in minimum sump pit diameter

Application & User Fit

The Liberty PRG101M is a 1 hp grinder pump rated for 115 V AC single-phase power and a 10 ft power cord. It delivers 42 gpm at 10 ft of head and 39 gpm at 15 ft of head. The cast iron body and impeller with a silicon carbide shaft seal suit residential sewage ejection where solids must be macerated before discharge.

Who It Suits & Who Should Look Elsewhere

Installers needing a compact unit for a 24 in minimum sump diameter will find the 17 3/4 in overall height convenient. Buyers who require an integrated float switch or a different voltage must select another model. Sites demanding flow beyond 36 gpm at 20 ft of head or a maximum head above 50 ft should consider higher-capacity alternatives.

Included Accessories & Software Impact

No switch is included with the pump, so a separate control mechanism must be sourced and wired by the installer. The 10 ft cord length fixes the maximum distance to the power supply unless an approved junction box is added. The CSCR motor type and 12 A draw determine the circuit breaker and wiring requirements for the installation.

Highlights

  • 1 hp motor delivers 42 gpm at 10 ft head
  • 115V AC single-phase power with 12 A draw
  • Cast iron body and impeller with silicon carbide seal
  • Handles up to 50 ft max head for demanding lifts
  • Fits 24 in minimum sump pit diameter

Specifications

BrandLIBERTY PUMPS

Questions about this item

What size sump pit is required for the 1 hp 115V AC grinder pump?

The Liberty PRG101M requires a minimum sump pit diameter of 24 in for proper installation and operation.

Can the grinder pump with a max head of 50 ft work with existing 1.5-inch discharge piping?

The pump delivers 42 gpm at 10 ft of head and 36 gpm at 20 ft; verify your piping friction loss to ensure the 1 hp motor can overcome total dynamic head.

How do I confirm the 1 hp grinder pump is performing correctly after startup?

Measure the discharge flow; at 10 ft of head you should see approximately 42 gpm, and at 20 ft approximately 36 gpm, matching the published performance curve.

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