Best 3.3GPM Water Pumps

1. VEVOR Water Pressure Diaphragm Pump, RV Water Pump, Fresh Water Pump110V AC, 3.3 GPM, Pressure Adjustable, Self Priming Sprayer Pump with Pressure Switch for RV Camper Marine Boat Lawn, FCC Certified

The VEVOR Water Pressure Diaphragm Pump is a reliable and versatile solution for all your water needs. It’s FCC certified, ensuring safety and quality for tasks like RVs, boats, or car washing.

This pump saves energy, works quietly, and delivers consistent pressure. It’s easy to adjust and built to last.

2. Elyaspedy 2026 Upgraded 2088-422-144 RV Fresh Water Pump,12V 3.3GPM Self-Priming Diaphragm Water Pump,45PSI,Includes Pressure Switch and Detachable Filters,No Noise, for RV, Marine, Yacht, Caravan

The Elyaspedy 2026 RV Fresh Water Pump is a powerful, quiet, and versatile solution for all your water needs. It works great for RVs, boats, and even car washing. With 45PSI pressure and 3.3GPM flow, it delivers strong water pressure every time.

This pump is leak-proof, energy-efficient, and safe. It has automatic start-stop and thermal overload protection for worry-free use. Plus, it comes with a 3-year warranty and lifetime customer service for peace of mind.

3. RV Pump Replace for 2088-422-144,12V 3.3GPM Diaphragm Water Pump, 45Psi 1/2MNPT Connection, Great for RV or Any Other Water Delivery Purpose

Need a reliable RV water pump? This 12V diaphragm pump replaces most RV pumps, delivering 3.3 GPM and 45 PSI with quiet, smooth operation. It’s self-priming up to 8 feet and thermally protected, so it won’t overheat or damage if run dry.

Comes ready to use with connectors, hose, and filter, plus a standard mounting pattern for easy installation. Enjoy three years of aftermarket service and peace of mind knowing your satisfaction is guaranteed.

4. 33-Series Professional Grade Water Pressure Booster Pump, 115V AC Self Priming Pump, 3.5GPM 45PSI- Water Booster Pump for House Marine Yacht

The 33-Series Water Pressure Booster Pump is a powerful solution for low water pressure. It works great in homes, gardens, and marine settings. This 115V AC pump is easy to install and use.

It delivers 3.5GPM and 45PSI, perfect for hoses, sprinklers, and more. The self-priming feature ensures smooth operation without hassle. It’s safe and reliable, with CE ISO 8846 certification.

The smart pressure switch starts and stops automatically, saving energy. It’s versatile for RVs, boats, and high-pressure needs. This pump is a dependable choice for consistent performance.

5. Industrial Diaphragm Water Pump 2088-594-154, 198GPH, 115V AC, 1/2in, Portable Electric Utility Water Pump 45PSI/3.1Bar, 3.3GPM/11.4LPM, Fit for Beverage and Water Applications, Water Pressure

The 2088-594-154 Industrial Diaphragm Water Pump is perfect for RV or camper adventures. It delivers powerful performance with 3.3 GPM and 45 PSI pressure, ensuring unmatched water flow.

This pump is self-priming, works from 10 feet away, and runs quietly. It’s easy to install and comes with connectors and filters.

Enjoy smooth, uninterrupted water flow thanks to its advanced 3-chamber diaphragm design. Plus, it has thermal protection for reliable, long-lasting use.

6. Ultra-Quiet 2088-422-144 12V RV Water Pump 3.3GPM 45PSI – Self-Priming Diaphragm Pump with Pressure Switch & Filter for RVs, Boats, Trailers

The Ultra-Quiet 2088-422-144 RV Water Pump delivers powerful, noise-free performance for your RV, boat, or trailer. Enjoy a strong 3.3 GPM flow at 45 PSI without disturbing your peace.

It’s easy to install, low maintenance, and built tough. The self-priming design starts quickly, and the clear filter makes cleaning simple.

This energy-efficient pump works reliably at 12V, saving power. Its compact, lightweight design fits tight spaces, making it versatile for RVs, yachts, and more.

7. SEAFLO 33 Series Water 110V AC Pressure Pump – 115V AC, 3.3 GPM, 45 PSI, Self Priming, Smart Pressure Switch, for RV/Caravan/Marine/Industrial Use-NSF, CE & Rohs Certified, UL Listed, 4-Year Warranty

The SEAFLO 33 Series Water Pump is built tough for RV, marine, and off-grid use. It delivers 3.3 GPM and 45 PSI, perfect for sinks, showers, and toilets.

Self-priming, run-dry safe, and ultra-quiet. Easy plug-and-play setup with no wiring needed.

NSF, UL, and CE certified for safe drinking water. Backed by a 4-year warranty for peace of mind.

8. CrestWave 12V RV Water Pump, 3.3GPM 50PSI, R3526144D, Triplex Chamber Diaphragm Pump with Quick Connect Ports, Self-Priming Pump with Pressure Switch & Strainer for RV, Marine, Yacht, Caravan

The CrestWave 12V RV Water Pump delivers reliable water flow for your RV, boat, or caravan. Its triplex diaphragm design ensures a steady 3.3 GPM flow rate at 50 PSI, keeping water running smoothly. It’s built tough for long-lasting performance.

This pump features quick-connect ports for easy setup and enhanced seal technology to prevent leaks. The durable motor runs quietly at ≤65dB and includes safety features like thermal and dry-run protection. It’s efficient and safe for daily use.

Works in various conditions, from 5-60°C. Certified by CE and IP68 waterproof. Perfect for household, garden, or industrial use.

9. GASALND 12V DC Water Pressure Pump, 3.3GPM 40PSI On Demand Diaphragm Pump, Self-Priming Water Pump with Pressure Switch for Camper, Marine, RV Kitchen, Bathroom, and Gas Hot Water System

The GASALND 12V DC Water Pressure Pump is a reliable and convenient solution for your water needs. It’s perfect for campers, RVs, boats, and outdoor use. The automatic pressure switch makes it easy to use, turning on and off with your water tap.

It delivers 3.3 GPM water flow and 40 PSI pressure. The pump is self-priming up to 8 feet and includes safety features like thermal overload protection. It’s CE certified and runs dry without damage.

This pump comes with all necessary accessories, making installation simple. It’s widely compatible with various systems and ideal for RV kitchens, bathrooms, and gas hot water systems. A great choice for on-the-go water supply.

10. PENTAIR SHURFLO 2088-594-154 Industrial Diaphragm Water Pump, 3.3GPM, 115VAC, Self Priming, 45PSI, 1/2in Male Parallel Thread, Polypropylene Housing, Santoprene Valves, NSF, UL, CSA

The PENTAIR SHURFLO 2088-594-154 is a powerful water pump designed for industrial, RV, and fluid transfer use. It delivers 3.3 GPM with self-priming up to 9 feet, ensuring smooth and reliable operation.

Its durable polypropylene housing and chemical-resistant parts make it long-lasting. It’s NSF listed and UL CSA recognized, ensuring safe potable water use.