The Best Boat Washdown Pumps

Looking for the best Boat Washdown Pumps?

Discover now our comparison of the best Boat Washdown Pumps. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Boat Washdown Pumps are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Boat Washdown Pumps in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

SEAFLO 55-Series Washdown Pump Kit - 12V DC, 5.5 GPM, 70 PSI, Self-Priming, Coiled Hose, Spray Nozzle, High Flow for RV, Boat, Off-Grid, Freshwater, and Saltwater Applications 4-Year Warranty

POWERFUL AND EFFICIENT WASHDOWN SYSTEM: Equipped with the SEAFLO 55-Series 12V DC diaphragm pump, delivering an impressive 5.5 GPM flow rate and 60 PSI pressure. Designed for heavy-duty cleaning tasks, this system is perfect for removing dirt, grime, and debris from boats, RVs, decks, and outdoor equipment.
COMPLETE KIT FOR EASY INSTALLATION: Includes everything you need: SEAFLO 55-Series pump, coiled hose for convenient reach, high-pressure spray nozzle for targeted cleaning, quick connect fittings for easy setup, and an inline filter to protect the pump from debris. Simplify your cleaning routine with a fully equipped washdown system.
SELF-PRIMING WITH ADJUSTABLE PRESSURE SWITCH: The self-priming pump allows for flexible installation, operating up to 6 feet of vertical lift. The adjustable pressure switch ensures consistent water flow and pressure to suit various cleaning needs, whether it's a light rinse or a heavy-duty wash.
BUILT TO LAST IN TOUGH CONDITIONS: Constructed with durable materials like a Santoprene diaphragm and polypropylene housing, this pump handles both saltwater and freshwater. The system features thermal protection, run-dry capability, and a rugged design to withstand harsh marine and outdoor environments.
QUIET OPERATION WITH VIBRATION CONTROL: Designed with a rubber mounting base to reduce vibration and minimize noise, ensuring a smoother and quieter operation. Ideal for applications where minimal noise is critical, such as on boats and RVs.
VERSATILE APPLICATIONS FOR VARIOUS ENVIRONMENTS: Perfect for use in marine, RV, off-grid, and outdoor settings. Whether cleaning boats, decks, vehicles, or outdoor spaces, the SEAFLO 55-Series Washdown Kit provides reliable, powerful performance for all your cleaning needs. Backed by SEAFLO’s industry-leading 4-year warranty for peace of mind.

No. 2

SEAFLO 33 Series Washdown Deck Wash Pump Kit - 12V DC, 3.0 GPM, 70 PSI, Heavy Duty Pressure Switch, for RV, Boat, Marine, Yacht, Freshwater, and Saltwater Applications | 4-Year Warranty

[ SPECIFICATIONS ]: Model Number: SFWP1-030-070-33 Voltage: 12V DC Open Flow: 3.0 GPM (11.3 LPM) Shut-off Pressure: 70 PSI (4.8 BAR) Priming Capability: Self-priming up to 6 feet (1.8 m) suction lift Max Draw: 18.0 A Inlet/Outlet Size: 1/2"-14 MNPT Material: EPDM valves / Santoprene diaphragm
[ HIGH-EFFICIENCY PUMP PERFORMANCE ]: Capable of delivering a powerful 3.0 GPM flow rate at 70 PSI, this pump ensures fast and effective cleaning, saving you time and effort.
[ HEAVY-DUTY PRESSURE SWITCH ]: The built-in pressure switch automatically activates when the spray gun handle is squeezed and shuts off when released, offering precise control and protecting the pump from over-pressurization.
[DURABLE AND CORROSION-RESISTANT CONSTRUCTION ]: Built with EPDM valves, a Santoprene diaphragm, and ABS engineering plastics, this pump is designed to withstand harsh conditions in both freshwater and saltwater environments.
[ COMPLETE WASHDOWN KIT INCLUDED ]: Includes a heavy-duty pump, 25-foot UV-protected coiled hose, trigger spray nozzle, quick-connect fittings, 50 mesh inlet strainer, and two 1/2" barbed fittings for a complete cleaning solution.
[ QUIET AND RELIABLE OPERATION ]: Rubber mounting feet reduce vibration and noise. Thermal overload protection automatically stops the motor during overheating and restarts once cooled for uninterrupted performance.
[ EASY INSTALLATION AND VERSATILITY ]: Features industry-standard mounting and quick-connect fittings, making setup and maintenance simple and efficient. Suitable for a wide range of applications, from boats to RV decks.
[COMPATIBLE WITH FRESHWATER AND SALTWATER ]: Engineered for both freshwater and saltwater cleaning tasks, ensuring reliable operation across diverse environments.
[ INDUSTRY-LEADING 4-YEAR WARRANTY ]: Backed by SEAFLO’s trusted warranty, guaranteeing durability and long-term performance.

SaleNo. 3

SEAFLO 33 Series DC Diaphragm Pump – 4-Year Warranty! 12V, 3.0 GPM, 45 PSI, Self-Priming, Run Dry Safe, Built-In Pressure Switch | Ideal for Marine, RV, and Water Systems

[ SPECIFICATIONS ]: Model Number: SFDP1-030-045-33, Voltage: 12V, Open Flow: 3.0 GPM (11.3 LPM), Shut-Off Pressure: 45 PSI (3.1 BAR), Priming Capabilities: 6 feet (1.8 meters) suction lift, Max Recommended Temperature: 140°F (60°C), Material: EPDM (Valves) / Santoprene (Diaphragm), Ports: 1/2"-14 MNPT
[INCLUDED COMPONENTS]: 1x 51S01 Filter, 2x 51F001 1/2"-14 FNPT x 1/2" Barb Straight Pump Fittings, Installation Instructions, Warranty Information, Pump
[ HIGH-PERFORMANCE 3-CHAMBER DESIGN ]: The advanced 3-chamber diaphragm design delivers smooth and consistent water flow up to 3.0 GPM, making it ideal for moderate-pressure water system applications.
[ CAPABLE OF SUPPLYING UP TO 4 FIXTURES ]: This versatile pump provides enough water flow and pressure to operate up to 4 fixtures simultaneously, ensuring consistent performance in RVs, boats, or water systems.
[ SELF-PRIMING AND RUN DRY CAPABILITY ]: Capable of self-priming up to 6 feet (1.8 meters) with a head capability of 6 feet, this pump ensures flexibility in installation and dependable suction power. It can also run dry without damage.
[ AUTOMATIC PRESSURE SWITCH ]: The built-in pressure switch allows the pump to start and stop automatically when the tap or fixture is opened or closed, providing on-demand water supply with ease.
[ QUIET AND VIBRATION-FREE OPERATION ]: Equipped with a rubber mounting base to minimize noise and vibrations, the pump ensures smooth, quiet operation for marine and RV environments.
[ DURABLE AND THERMAL OVERLOAD PROTECTED ]: Constructed with EPDM valves and a Santoprene diaphragm, the pump offers high durability, while the thermal overload protection safeguards against overheating.
[ BACKED BY A 4-YEAR WARRANTY ]: SEAFLO’s 4-Year Limited Warranty guarantees long-lasting, reliable performance, providing peace of mind for your water system needs.
[ DURABLE & SAFE MATERIALS]: Built with high-quality EPDM valves and a Santoprene diaphragm, this pump meets RoHS, SGS, and ISO standards, ensuring that it is environmentally safe and durable under various operating conditions.

No. 4

SEAFLO 55-Series Washdown Deck Wash Pump Kit - 12V, 5.5 GPM, 70 PSI, 4-Year Warranty for Caravan, RV, Boat, Marine, and Yacht

Model Specifications: Model Number: SFWP1-055-070-55 Voltage: 12V Open Flow: 5.5 GPM / 20 LPM Pressure Off: 70 PSI / 4.8 BAR Inlet/Outlet Size: 1/2"-14 MNPT Material: EPDM (Valves) / Santoprene (Diaphragm) Product Dimensions: 8.7" L x 5.75" W x 5.2" H Item Weight: 9.79 Pounds
High-Performance Pump with Built-In Check Valve: The SEAFLO 55-Series Washdown Pump Kit features a built-in check valve for seamless operation. With a maximum flow rate of 5.5 GPM and a pressure cut-off of 70 PSI, this pump delivers powerful water flow to handle even the toughest cleaning tasks. Whether you're washing down your boat, RV, or marine equipment, this pump ensures efficient and reliable performance every time.
Extended Spray Gun Range: Equipped with a high-quality trigger spray nozzle, this washdown pump kit offers an impressive spray range of up to 32.81 feet. This extended reach makes it easy to clean hard-to-reach areas, ensuring thorough and effective cleaning. The spray gun is designed for comfort and ease of use, allowing you to tackle any cleaning job with precision and control
Durable, Corrosion-Resistant Motor: The SEAFLO 55-Series pump features an anticorrosive stoving varnish coated motor for enhanced protection in wet environments. This durable construction ensures long-lasting performance, even in harsh marine conditions. The seamless motor body adds an extra layer of protection, making this pump an excellent choice for both fresh and saltwater applications.
Self-Priming and Intermittent Duty Cycle: This washdown pump is self-priming with an adjustable pressure switch, allowing for easy installation and reliable operation. The pump can run dry without damage, making it suitable for various cleaning applications. With an intermittent duty cycle, the SEAFLO 55-Series pump is designed for efficiency and longevity, providing consistent performance when you need it most.
Complete Washdown Kit: The SEAFLO 55-Series Washdown Pump Kit comes with everything you need for quick and easy installation. The kit includes a heavy-duty washdown pump, a trigger spray nozzle with quick connect, a 25' UV-protected coiled hose, a quick hose disconnect fitting, a 50 mesh inlet strainer, and two 1/2" barbed fittings. This comprehensive kit ensures that you have all the necessary components for efficient and hassle-free cleaning.
Quiet Operation and Ignition Protected: Enjoy quiet operation with the SEAFLO 55-Series pump, designed to minimize noise and vibration during use. The pump is also ignition protected, ensuring safe operation in marine environments. This feature makes it an ideal choice for use on boats, yachts, and other vessels where safety and reliability are paramount.
Versatile and Easy to Install: The SEAFLO 55-Series Washdown Pump Kit is suitable for a wide range of applications, including cleaning leisure boats, fish boxes, anchor chains, and dinghies. The pump's industry-standard mount pattern and easy-connect fittings make installation straightforward and convenient. Whether you're a professional or a DIY enthusiast, this pump kit provides a user-friendly solution for all your cleaning needs.

SaleNo. 5

VEVOR Washdown Pump, 12V DC, 7 GPM 60 PSI, Max. 10 FT Lift Self Priming Water Pump, w/EPDM Valve, Universal Salt Water Strainer & Female/Male Thread, for RV, Marine Deck, Yacht

Powerful & Efficient Self Priming: Flow Rate: 7 GPM. Max. Lift: 10 ft / 3 m. The fast speed at which water gets released makes using the RV water pump a breeze. The perfect seal ensures no leakage of water during transfers. Stay water in control at all times and keep your RV operating smoothly for years to come. Note: Don’t confuse the water inlet and outlet.
12V Efficient Motor: Power: 240W. Max Current: 20 A. Max. Temperature: 140 ℉ / 60 ℃. Our washdown pump has double overload and thermal protection to ensure that the powerful motor can perform optimally no matter the conditions.
Silent & Smooth Operation: Our washdown pumps for boats have two stable bases to keep quiet by reducing the vibration. Inner EPDM valve can also weaken the friction and increase the service life. Moreover, the waterproof ABS shell can protect the security of the interior motor & parts. Did you hear something? Neither did we.
Accessories Just for You: This freshwater pump includes 1/2" female thread and 1/2" male thread, which can help you connect the pipes easily. The saltwater strainer is also removable and washable to filter impurities in both fresh water and salt water. Note: Tighten all connective parts to make sure no air gets in.
Utility Pump Application: Our water pressure pump is suitable for work with boats, fish tanks, cars, and RVs. Note: FLAMMABLE liquids are NOT allowed. Allow your vehicles to perform optimally and prevent build-ups from occurring.

No. 6

Jabsco Hotshot HD4 Heavy Duty Washdown Pump w/25' HoseCoil - 12V - 4 GPM - 60 PSI

Diaphragm material: Co-molded TPV for durability
Fittings & accessories: Quick Connect straight hosebarb, GHT fittings, 90 20 mesh Quick Connect strainer, trigger nozzle, and hose adapters
Model: HotShot HD6 Heavy Duty Washdown Pump with 25' HoseCoil - 12V - 6 GPM - 70 PSI
Pressure capability and life: HD models feature a wider diameter motor, powder coated shell, cast aluminum endbells, and lower housing for improved performance
Standard models: Offer exceptional performance in an economical footprint with a plastic housing protecting the motors from corrosion

No. 7

80PSI 7.5 GPM Washdown Pump Kit - 12V Marine Self-Priming Water Pump with Pressure Switch, High-Performance RV Fresh Water Pump for Boats, Campers, Travel Trailers, Sprayers, and Yachts

High-Performance Washdown Pump Kit: Equipped with a 12V pump delivering 7.5 gallons per minute (GPM) flow rate and 80 PSI pressure, the kit includes a 25-foot UV-resistant hose, quick-connect trigger nozzle, 1/2'' NPT connectors, and a seawater filter to prevent clogging. Ideal for cleaning boats, RVs, gardens, campers, and showers.
Exceptional Performance and Reliable Design: Offers 6 feet of vertical suction lift and 80 PSI shut-off pressure, perfect for freshwater and saltwater cleaning tasks. Features an adjustable pressure switch and thermal overload protection to prevent overheating, automatically restarting when safe temperatures are restored.
Quiet Operation and Durable Construction: Engineered with a 5-chamber diaphragm design and dual-bearing motor for low noise and vibration. The ABS-engineered plastic body, waterproof motor cover, and sealed pressure switch ensure dependable performance in tough conditions.
Complete Accessories for Easy Installation: Comes with a high-efficiency pump, UV-protected coiled hose, quick-connect fittings, a high-pressure spray nozzle, and a universal filter. Simple to set up and operate, making it ideal for outdoor cleaning tasks.
Versatile Applications: Designed for intermittent use, this 12V pump is suitable for cleaning boats, RVs, decks, fish tanks, and gardens. Perfect for washing anchor chains, beacon stations, and leisure decks, offering a comprehensive solution for a variety of cleaning needs.

No. 8

FlowFluid 12V DC Water Pressure Booster Pump for RV,70PSI 5GPM Washdown Fresh Self Priming Diaphragm Pump for Boats with Filter,4-Chamner Transfer On Demand Pump for Marine Yacht Caravan Garden Hose

【Water Transfer Capability】12V water transfer self-priming pump for rv features 4 gallons per minute water flow, pressure switch is set to 45PSI;Water pressure increase to 4 bar at maximum, max lifting height of 100ft. Designed to provide reliable and high-performance irrigation and clean water transfer, this pump is the perfect solution for all your water needs.
【Automatic switch】 With its failure-free control, rv water diaphragm pump for camping will automatically start and stop when you turn on and off the faucet to save you valuable time. The rated pressure is set at 70PSI.
【Safe & High quality】4-chamber diaphragm water pump for boats has passed CE certification. Thermal overload protection is built into the water pump to make it safe to use. When the temperature is above 70℃/ 158℉, it will automatically disconnect the circuit to protect the motor. Supporting smooth and silent operation.
【Multipurpose】Self-priming diaphragm fresh water pump Support continuous operation for more than 1 hour. camper water pumps are versatile enough RV, Marine, Boat, Irrigation, Sprinkler, Faucet, long-distance pumping in the courtyard, and even car washing.
【24 HOURS AFTER SALE SERVICE】We ensure all on demand water transfer electric Pump for boats are new. Our pumps are tested for conformity before they are sold and packaged. Residual moisture may cause dampness. If you have any questions, please contact us and we will help you solve them as soon as possible.

No. 9

7.5GPM 80PSI Water Pump, 12V RV DC Fresh Washdown Pump Kit with Pressure Switch, Self-Priming Diaphragm Water Pump for Boats, Marines, Campers, Travel Trailers, Sprayers, and Yachts

High-Performance 12V Washdown Pump Kit: Features a powerful 7.5 GPM pump with 80 PSI pressure, a durable 25-foot UV-resistant hose, quick-connect trigger nozzle, 1/2'' NPT fittings, and a built-in seawater filter to prevent clogs. Perfect for boats, RVs, campers, gardening, and outdoor showers.
Powerful & Reliable Washdown Pump: Delivers 6 ft vertical suction lift and 80 PSI shut-off pressure, making it ideal for both freshwater and saltwater applications. Equipped with an adjustable pressure switch and thermal overload protection, it prevents overheating and auto-restarts once temperatures normalize—ensuring durability and hassle-free operation.
Ultra-Quiet & Heavy-Duty Build: Features a 5-chamber diaphragm design and dual-bearing motor for smooth, low-noise operation with minimal vibration. The rugged ABS plastic housing, waterproof motor cover, and sealed pressure switch deliver reliable performance even in harsh environments.
Complete Accessories for Easy Installation: Includes everything for effortless setup—high-efficiency water pump, UV-resistant coiled hose, quick-connect fittings, high-pressure spray nozzle, and universal filter. Designed for simple installation and instant operation, perfect for boats, RVs, patios, and outdoor cleaning.
Ultra-Versatile 12 Volt Water Pump: Engineered for intermittent use, this compact powerhouse tackles boats, RVs, decks, fish tanks, and garden cleaning with ease. Ideal for demanding tasks like anchor chain washing, beacon station maintenance, and leisure deck cleaning—delivering professional-grade performance wherever you need it.

No. 10

SEAFLO 55-Series Diaphragm Pump - 12V DC, 5.5 GPM, 60 PSI with Heavy Duty Pressure Switch | Self-Priming, Quiet Operation, 4-Year Warranty | Ideal for RV, Marine, and Off-Grid Water System

Specifications: ✔️Model Number: SFDP1-055-060-55 ✔️Voltage: 12V DC ✔️Open Flow: 5.5 GPM (20.8 LPM) ✔️Shut-off Pressure: 60 PSI (4.2 BAR) ✔️Priming Capabilities: 9 FT (2.7 M) Suction Lift ✔️Max Draw: 17A ✔️Material: EPDM (Valves) / Santoprene (Diaphragm) ✔️Ports: 1/2"-14 MNPT Threaded ✔️Max Recommended Temperature: 140°F (60°C) ✔️Warranty: 4-Year Limited Warranty
Included Components: ✔️SEAFLO 55-Series Diaphragm Pump ✔️Installation Instructions ✔️(2) 1/2" Barbed Hose Adaptors ✔️50 Mesh Inlet Strainer ✔️16 AWG, 9" (22.8 cm) Leads
✔️ [ HIGH FLOW RATE WITH 5-CHAMBER DESIGN ] : The advanced 5-chamber diaphragm ensures a high flow rate of 5.5 GPM, making it capable of supplying water to up to six fixtures at once. This design not only supports various simultaneous water uses—like showering, washing, or dishwashing—but also reduces pump cycling, delivering consistent water pressure. Whether used for marine, RV, or off-grid systems, this pump ensures dependable and continuous water flow.
✔️ [ HEAVY-DUTY PRESSURE SWITCH WITH BUILT-IN BYPASS ]: The upgraded pressure switch offers precise pressure control and stable performance by automatically activating the pump when needed and stopping it once the desired pressure is reached. The built-in bypass mechanism minimizes rapid cycling by maintaining consistent pressure, allowing water to flow back from the outlet side to the inlet if necessary. This function extends the pump’s lifespan and ensures a seamless water supply, making it particularly beneficial for systems with multiple water outlets.
✔️ [ SMART PRESSURE SWITCH WITH LONG LIFETIME ]: The SEAFLO 55-Series features a reliable Smart Pressure Switch that activates the pump automatically when water is needed and stops it when the demand ceases. Built for endurance, it offers a lifetime of over 200,000 on/off cycles, ensuring consistent and long-lasting performance for various water systems. This non-adjustable switch provides optimal pressure control without manual adjustments.
✔️ [ SELF-PRIMING & RUN DRY CAPABILITY ]: This pump’s self-priming feature allows for a powerful suction lift of up to 9 feet, making it versatile for remote installations. This means the pump can be positioned above the water source, offering greater flexibility in setup without compromising performance. Additionally, the pump can run dry without damage, protecting the internal components during low-water conditions or accidental dry operation, making it a reliable solution for various water transfer tasks.
✔️ [ QUIET & EFFICIENT OPERATION WITH NOISE REDUCTION ]: Engineered for quiet operation, the SEAFLO 55-Series pump functions at a noise level comparable to a ceiling fan (65 dB). The semi-rigid rubber mounting base reduces vibrations, significantly lowering noise levels and ensuring a peaceful environment. This makes it particularly suitable for indoor use, such as in RVs or boats, where minimal noise is preferred.
✔️ [ DURABLE & CORROSION-RESISTANT MATERIALS ]: Built to withstand harsh marine and RV environments, the pump uses premium Santoprene for the diaphragm and EPDM for the valves. These materials offer excellent abrasion and corrosion resistance, making the pump suitable for both freshwater and saltwater applications. Its construction ensures durability and long-lasting reliability, even in high-moisture or corrosive conditions.
✔️ [ VERSATILE APPLICATIONS FOR RVs, BOATS, AND OFF-GRID SYSTEMS ]: The SEAFLO 55-Series pump is designed to cater to diverse applications, including washdown systems, potable water supply, shower drains, and water purification systems. Its robust performance makes it a perfect fit for RVs, boats, yachts, and off-grid cabins. With its ability to handle both freshwater and saltwater, it serves as a versatile solution for various liquid transfer needs
✔️ [ EFFICIENT HEAT DISSIPATION & LOW STARTING PRESSURE ]: The heavy-duty pressure switch is designed with efficient heat dissipation capabilities, ensuring that the pump can run continuously without overheating. It is also engineered to work with a low starting pressure, preventing unnecessary pump cycling and reducing wear and tear on the motor.

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Last update on 2025-06-04 / Affiliate links / Images from Amazon Product Advertising API

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