Shopping Cart

Your cart is empty.

Your cart is empty.

SEAFLO 12V 1.5 GPM 200 PSI 31-Series DC Diaphragm Pump – Self-Priming High-Pressure Water Pump for RVs, Boats, Agriculture, and Cleaning – Quiet Operation, Run-Dry Safe, Built-In Pressure Switch

5.0 Write Review
Free shipping on orders over $29.99

$89.99

$ 38 .99 $38.99

In Stock

About this item

  • [ SPECIFICATIONS ] : Model: SFDP1-015-200-31 | Voltage: 12V | Flow Rate: 1.5 GPM (5.5 LPM) | Shut-Off Pressure: 200 PSI (13.7 BAR) | Max Draw: 7.0A | Priming Capabilities: 6 feet (1.8m) suction lift | Max Temperature: 140°F (60°C) | Ports: 3/8"-18 FNPT
  • [ POWERFUL HIGH-PRESSURE PERFORMANCE ] : The SEAFLO 31-Series 12V water pump delivers a steady 1.5 GPM flow rate with an 200 PSI shut-off pressure, making it perfect for RV water systems, agricultural sprayers, marine use, and high-pressure cleaning applications.
  • [ 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.
  • [ VERSATILE APPLICATIONS ] : Ideal for agriculture, RV water pumps, boat washdown systems, cleaning equipment, and sanitation applications, ensuring consistent and reliable water pressure wherever needed.
  • [ 4-YEAR WARRANTY ] : Backed by SEAFLO’s industry-leading 4-year warranty, this high-performance diaphragm pump ensures peace of mind and reliable service for years to come.


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 12V 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.


Recommended Products
Rule Industries 32600-0092 Parmax 3.5 Gpm Water Pressure

$198.89

$ 84 .99 $84.99

4.6
Select Option
Fit for LG Ken-More Sears Washer Water Level Pressure Switch &Hose Assembly Replaces 6601ER1006E 6601ER1005Q 6601ER1006W 6601ER1006G 6601ER1006A Fit for LG Washer Water Level Sensor with Hose

$18.99

$ 7 .99 $7.99

4.3
Select Option
SAILFLO 12v Water Pressure Diaphragm Pump 4.3 L/min 1.1 GPM 35 PSI with 360°Spin Faucet/Tap - Caravan RV Marine Boat

$46.18

$ 23 .99 $23.99

4.6
Select Option
SEAFLO Marine Water Pump, 24V DC, 60 PSI, 5.5 GPM, 2 Gallon Accumulator Tank System

$209.99

$ 85 .99 $85.99

4.7
Select Option
SEAFLO 21 Series Water Pressure Diaphragm Pump - 12V DC, 1.2 GPM, 35 PSI, Adjustable Pressure Switch, Self-Priming, Quiet Operation, Durable Compact Design for RV, Boat, Off-Grid Use - 4-Year Warranty

$32.99

$ 16 .99 $16.99

4.6
Select Option
Camplux 12V DC Water Pump, 1.2GPM Diaphragm Pump for Caravan RV Marine Fishing Boat

$29.99

$ 13 .99 $13.99

4.6
Select Option
DC HOUSE 12V RV Water Pump System and Pre-Pressurized Accumulator Tank 3.5GPM 45PSI Fresh Water Diaphragm Pump 12Volt with 0.75L 125PSI Accumulator Tank for Travel Trailer Camper Boat Kitchen Bathroom

$11.99

$ 5 .99 $5.99

4.7
Select Option
Amarine Made 70 PSI Washdown Deck Wash Pump KIT 12v 5.0 GPM for Caravan Rv Boat Marine Yacht

$109.80

$ 48 .99 $48.99

4.5
Select Option