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SEAFLO 110V 1.5 GPM 200 PSI 31-Series DC Diaphragm Pump – Self-Priming High-Pressure Water Pump for RVs, Boats, Agriculture, and Cleaning w/Built-in Pressure Switch

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$139.99

$ 61 .99 $61.99

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About this item

  • [ SPECIFICATIONS ] : Model: SFDPA1-015-200-31 | Voltage: 110V | Flow Rate: 1.5 GPM | Shut-Off Pressure: 200 PSI | Priming Capabilities: 6 feet (1.5m) suction lift
  • [ SELF-PRIMING & RUN-DRY SAFE ] : This diaphragm pump is capable of self-priming up to 6 feet, ensuring reliable operation in a variety of setups. Its run-dry safe design protects the pump from damage when water runs low.
  • [ BUILT-IN AUTOMATIC PRESSURE SWITCH ] : Features an adjustable pressure switch that automatically starts and stops based on demand, providing on-demand water flow while preventing unnecessary motor wear.
  • [ QUIET & EFFICIENT OPERATION ] : Engineered for low noise and vibration, this pump operates as quietly as a standard room fan, ensuring a disruption-free experience for RV and marine environments.
  • [ DURABLE, HEAVY-DUTY CONSTRUCTION ] : Built with EPDM valves and a Santoprene diaphragm, this marine-grade pump is designed to withstand tough conditions in agriculture, boats, and industrial cleaning applications.
  • [ EASY INSTALLATION & MAINTENANCE ] : Features an industry-standard mounting pattern for quick installation. Threaded connections with multiple fittings allow for seamless integration into existing systems.


The SEAFLO 31-Series DC Diaphragm Pump is engineered for high-pressure applications, delivering 1.5 GPM with a reliable 200 PSI shut-off pressure for continuous, on-demand operation. Ideal for RV water systems, boats, agricultural spraying, and sanitation, this 110V diaphragm pump is self-priming up to 6 feet and features a built-in automatic pressure switch that starts and stops when needed. Designed for quiet operation, this pump produces minimal noise and vibration while ensuring optimal performance. The run-dry safe design prevents damage when water supply is low, making it a durable and low-maintenance choice for any application. With heavy-duty construction, EPDM valves, and a Santoprene diaphragm, this compact and efficient pump is built to last in harsh environments. Whether used in agriculture, marine settings, cleaning systems, or portable water transfer, the SEAFLO 31-Series ensures consistent water flow and high-pressure performance every time