COMMODORE 12 GPM / 12V Macerator Pump – Quad-Blade Chopper, Self-Priming, 1-1/2" Inlet

Model # 24028987 Mfg # M-1-12MP
4.5 out of 5 Customer Rating
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
COMMODORE 12 GPM / 12V Macerator Pump – Quad-Blade Chopper, Self-Priming, 1-1/2" Inlet
Model # 24028987 Mfg # M-1-12MP
4.5 out of 5 Customer Rating
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
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COMMODORE 12 GPM / 12V Macerator Pump – Quad-Blade Chopper, Self-Priming, 1-1/2" Inlet

The COMMODORE CM-1-12MP 12 GPM Macerator Pump is engineered for heavy-duty marine and RV waste evacuation. Featuring a quad-blade stainless-steel chopping system, this pump grinds waste efficiently and discharges through a 1" hose barb outlet. The 1-1/2" MNPT inlet accepts standard marine waste plumbing, while the triple-sealed, ignition-protected motor ensures safe, reliable operation in harsh environments. With self-priming capability up to 4 feet and a rear anti-clog system with manual access knob, the CM-1-12MP delivers fast emptying of holding tanks, fish boxes, and livewells. The quick-connect wiring system simplifies installation and servicing, making it an ideal upgrade for high-demand waste management systems.

Key Features

  • Quad-blade chopping system efficiently macerates waste for smooth discharge
  • Includes 1-1/2" MNPT inlet and 1" hose barb outlet for standard waste plumbing
  • Self-primes up to 4 feet with rear anti-clog access knob for easy clearing
  • Triple-sealed, ignition-protected motor ensures safe operation in marine environments
  • Quick-connect wiring simplifies installation, servicing, and pump replacement

Activation Method Manual
Amperage 12.0A
Best Use Waste evacuation for holding tanks, fish boxes, livewells, and RV systems
Capacity 12 GPM (45 LPM)
Diameter 1-1/2 in inlet, 1 in outlet
ISO Approved ISO 8846
Material Rubber, Copper, Plastic, Stainless Steel
Shape Round
Type Electric Components
Voltage 12V DC

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