Shopping Cart

Your cart is empty.

Your cart is empty.

SEAFLO 12V 31-Series Water Pressure Pump - 1.8 GPM, 80 PSI, Self-Priming, Adjustable Pressure Switch, for RV, Boat, Marine, and Outdoor Use

Free shipping on orders over $29.99

$79.99

$ 33 .99 $33.99

In Stock

About this item

  • HIGH-PRESSURE PERFORMANCE – Delivers up to 1.8 GPM and 80 PSI, providing reliable water flow for RVs, boats, marine, and outdoor applications.
  • SELF-PRIMING & RUN-DRY PROTECTION – Self-primes up to 6 vertical feet and can run dry without damage, ensuring longevity and versatile use.
  • AUTOMATIC DEMAND PUMP – Built-in pressure switch automatically starts and stops the pump when the fixture opens and closes, offering hassle-free operation.
  • VERSATILE & EASY INSTALLATION – Serves 1-2 outlets simultaneously and is simple to install, service, and winterize, perfect for RV, boat, and outdoor systems.
  • DURABLE & RELIABLE DESIGN – Continuous-duty 3-chamber diaphragm pump built for long-lasting performance in high-pressure and moderate-flow applications.


Introducing the SEAFLO 12V 31-Series Water Pressure Pump, your go-to solution for reliable water flow in high-pressure, moderate-flow applications. Whether you're on an RV adventure, boating on the lake, or tackling outdoor tasks, this pump delivers consistent, on-demand performance whenever you need it. Designed with a 3-chamber diaphragm, the SEAFLO 31-Series provides up to 1.8 gallons per minute of flow and operates at 80 PSI, making it ideal for high-pressure applications. This pump is capable of self-priming up to 6 vertical feet and can even run dry without causing damage, ensuring your system stays protected and efficient. The automatic demand feature with a built-in pressure switch allows for seamless operation—starting and stopping automatically as you open and close the water fixture. With the ability to service 1 to 2 outlets simultaneously, this pump is perfect for small water systems, such as those found in RVs, boats, or off-grid setups. Key Features: High Performance: Provides 1.8 GPM at 80 PSI for reliable water flow. Self-Priming: Can prime up to 6 feet vertically, making it versatile for various installations. Run-Dry Protection: Built to withstand dry running without causing damage. Automatic Demand System: Starts and stops as needed with the built-in pressure switch. Easy Installation & Maintenance: Simple to install, service, and winterize for all-season use. Whether you're looking for durability, ease of use, or exceptional performance, the SEAFLO 31-Series Water Pressure Pump is designed to meet your needs and more!


Recommended Products

$360.03

$ 99 .00 $99.00

4.3
Select Option

$33.33

$ 17 .99 $17.99

5.0
Select Option

$119.99

$ 56 .99 $56.99

4.9
Select Option

$33.49

$ 16 .99 $16.99

4.8
Select Option

$82.99

$ 36 .99 $36.99

4.9
Select Option

$331.05

$ 99 .00 $99.00

4.3
Select Option