GP1-115 Grinder Pump


Hardened 440 SST (56-60 Rockwell) shredding ring & grinder impeller macerates domestic sewage into a fine slurry.

Silicone Carbide seal - Grit resistant secondary lip seal for added protection.

Vortex impeller, helps prevent clogging and increases bearing life.

Separate cord cap assembly.

Ductile Iron cast impeller for superior quality and long life.

3 piece motor housing.


Discharge: 1-1/4" NPT. Vertical
Motor Housing: Ductile Iron
Volute: Ductile Iron
Seal Plate: Ductile Iron
Liquid Temperature: 140ºF (Intermittent) 120ºF (Continuous)
Impeller: Ductile Iron, 10 vane Vortex, Dynamically Balanced
Shaft: Stainless Steel
Shaft Seal: Primary-Mechanical, Secondary-Lip Seal Buna-N
Bearing(Upper & Lower): Single Row, Ball, Lubricated
Hardware: 300 Series, Stainless Steel
Square Rings: Buna-N
Cord: 20' length UL/C Listed 12 ga. Type SOOW Standard, Up to 50' available
Motor (Single Phase): 115 Volt, 1HP, 3450 RPM, 60 Hz, Oil Filled, Class F
NEMA L includes motor overload protection Capacitor start/run.

GP1 Grinder Pump

Performance Curve
GP1 Perf Curve



GP1 Dimensions


GP1 Specs

Printable PDF