Seaflo 42 Series Diaphragm Pump 55PSI - 5.0 GPM Marine Water Pump

Professional Marine Diaphragm Pump for Reliable Water Delivery

The Seaflo 42 Series Diaphragm Pump delivers powerful, consistent water pressure for marine and RV applications. With a robust 55 PSI output and flow rates up to 5.0 GPM, this self-priming pump handles freshwater systems, washdown, and general water transfer with ease.

Technical Specifications:

• Voltage Options: 12V / 24V / 115V / 220V (multiple configurations available)
• Flow Rate: 4.0-5.0 GPM (15.1-18.9 LPM) open flow
• Pressure: 55 PSI (3.8 BAR) shut-off pressure
• Self-Priming: 6 feet (1.8 m) suction lift capability
• Temperature Rating: Up to 140°F (60°C) maximum
• Durable Materials: EPDM valves and Santoprene diaphragm for long service life
• Port Size: 1/2" MNPT connections

Ideal Applications:

Perfect for boat freshwater systems, deck washdown, RV water delivery, agricultural spraying, and general water transfer. The self-priming design means easy installation and reliable operation even when the pump is mounted above the water source.

Built for marine environments with corrosion-resistant materials and proven Seaflo reliability. Upgrade your water system with a pump that delivers consistent pressure and dependable performance voyage after voyage.