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SEAFLO 42 Series 12V Diaphragm Pump, 3.0 GPM, 55 PSI, Continuous Duty, Bypass for Reduced Cycling, Self-Priming

Model # 23745813 Mfg # SFDP1-030-055-42
3.8 out of 5 Customer Rating
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SEAFLO 42 Series 12V Diaphragm Pump, 3.0 GPM, 55 PSI, Continuous Duty, Bypass for Reduced Cycling, Self-Priming
Model # 23745813 Mfg # SFDP1-030-055-42
3.8 out of 5 Customer Rating
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SEAFLO 42 Series 12V Diaphragm Pump – 3.0 GPM, 55 PSI, Continuous Duty, Bypass for Reduced Cycling, Self-Priming, UL & CSA Certified, Fresh/Salt Water Use

The SEAFLO 42 Series 12V Diaphragm Pump is engineered for high-efficiency, continuous-duty performance across a variety of water systems. With a powerful 3.0 GPM flow rate and 55 PSI shut-off pressure, this pump features self-priming capabilities up to 6 feet and can safely run dry without damage. Integrated bypass technology reduces cycling for smoother, quieter operation, while its durable construction with EPDM valves and a Santoprene diaphragm ensures long-term reliability. Certified by UL and CSA, this pump is ideal for use with both freshwater and saltwater in marine, RV, off-grid, and agricultural setups.

Key Features

  • Continuous-duty 12V operation with 3.0 GPM flow and 55 PSI shut-off pressure for demanding water systems
  • Self-priming up to 6 feet and run-dry safe design for flexible, worry-free use
  • Built-in internal bypass minimizes cycling for smooth, efficient, and quiet performance
  • Certified by UL and CSA for safety and reliability in fresh or saltwater applications
  • Durable EPDM/Santoprene construction with rubber mounting base for low-noise operation

Activation Method Automatic
Amperage 7.0A
Capacity 3.0 gpm
Material Polypropylene
Shape Round
Type Electric Components
Voltage 12V

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