Best Saltwater Washdown Pump – Top Marine Washdown Pumps of 2020

If you are irritated by all the debris and fish scales under your boat, you need the best saltwater washdown pump to get the clean deck back. There are many marine washdown pumps available suitable for your needs and budget. You should choose a pump that can be operated at high-pressure so that you can get rid of the dirt and other unwanted materials with ease.

Best Saltwater Washdown Pump

Seaflo Washdown Deck Wash Pump Kit
Happybuy RV Washdown Pump
Oasis Washdown Deck Wash Pump Kit
Jabsco 32605 Washdown Pump Kit
Item Weight
8.55 pounds
8.2 pounds
6 pounds
Shipping Weight
8.6 pounds
9 pounds
8.6 pounds
6.8 pounds
12V DC
12V DC
5.0 GPM
5.5 GPM
5.5 GPM
4.0 GPM
Water pressure
70 PSI
70 PSI
70 PSI
60 PSI
Nozzle Open Pressure
55 PSI
55 PSI

In this article, we are sharing some of the best and high-performance washdown pumps for boats. To choose a pump to clean up your boat and deck is a crucial thing. The given information is to help you buy the most convenient marine washdown pump according to your requirements. So, read each review carefully and choose wisely. 

1. Seaflo Washdown Deck Wash Pump KitSeaflo Washdown Deck Wash Pump Kit

Seaflo pumps have already captured the overall market of washdown pumps for boats. There are a lot of products manufactured by this company, and people admire most of them. Seaflo Washdown Deck Wash Pump Kit is one of those products that is loved by many boat lovers and marine riders.

Key Features and Specifications

  • This pump kit includes a powerful five-chamber positive displacement diaphragm pump, a spray nozzle, and a coiled hose. Santoprene diaphragm is able to run dry without incurring any damage.
  • Its voltage is 12V DC, and its flow capacity is 18.9 liters per minute, i.e., 5.0 gallons/minute. Its weight is around 8 lbs.
  • Water pressure is 70 PSI, i.e., 4.8 bar. It works best for marine and RV uses. Its recreational deck wash applications are suitable for freshwater or saltwater.
  • It is designed for intermittent use only. This professional-grade pump is ideal for cleaning boats, fish boxes, anchor wells, and other caravans.
  • It comes with multi-step corrosion protection and seamless motor body. The pump also includes rubber mounting feet. These features ensure protection and noise reduction.
  • It offers a secure connecting system, thermal overload, and ignition protection. Thus, you can also use it for general industrial and automotive work.


2. Happybuy RV Washdown Pump For BoatsHappybuy RV Washdown Pump For Boats

This kit includes one 5-chamber positive displacement diaphragm pump, trigger nozzle with quick connect, an adaptor, a UV-protected 25-foot coiled hose, two NPT connectors with half-inch straight barb, and one universal saltwater filter or strainer.

Key Features and Specifications

  • This washdown pump is ideal for cleaning boats, gears, beacon stations, anchor chains, etc.
  • It is made of ABS engineering plastic. This material is covered on the pump in the single piece that is tightly sealed and durable.
  • It contains a high-power motor. It is protected with a waterproof cover and a sealed pressure switch. These features are there to ensure you that you can operate the pump smoothly even in the harsh environment.
  • It provides the voltage of 12V DC along with the flow capacity of 5.5 gallons per minute. The water pressure is around 70 PSI.
  • It includes a rubber mounting feet that can reduce noise and also prevents corrosion. There are removable filters. So, you can clean them easily.
  • The threaded connection of the water pipe is made of high-quality brass. Also, externally threaded port pump heads are available in many different sizes and mounting styles. So, it is easy to connect it to any outlet.
  • The pump has built-in thermal overload protection/ So when the motor pickups the heat, the pump stops automatically. Once the temperature is preferable, it restarts again by its own.
  • This washdown water pump is designed for intermittent use only. The duty cycle is around half an hour.
  • This water pump is suitable for fresh as well as saltwater. Apart from the boats, you can also use it to clean ships, RVs, and leisure decks.


3. Oasis Washdown Deck Wash Pump KitOasis Washdown Deck Wash Pump Kit

Oasis self-priming pump is a five-chamber positive displacement diaphragm pump. It works fantastic to clean marine and leisure boats, fish boxes, RV, chains, decks, and dinghies. It is designed for intermittent use only but is suitable for both salt as well as freshwater. It comes with a 25-foot UV-protected coiled hose.

Key Features and Specifications

  • It includes a 12V pump with pressure switch control. The automatic pressure switch control automatically opens and closes the nozzle.
  • Oasis Washdown Deck Wash Pump features multi-step corrosion protection. Its seamless motor body ensures protection in any harsh atmosphere.
  • It is equipped with rubber mounting feet. This specification protects the boat from corrosion and also helps to reduce noise.
  • This professional-grade pump has a duty cycle of half an hour and can run dry without damage. It is sturdy, quiet, and can rinse off the deck afterward.
  • It provides an easy connecting system with the quick connect adaptor and ignition protection. The pump is also capable of thermal overload. 


4. Jabsco 32605 Washdown Pump KitJabsco 32605 Washdown Pump Kit

Jabsco also manufactures 24 Volt pumps along with the 12 Volts. 12 Volt washdown pump is more than sufficient to clean a boat or decks. This product offers excellent pumping efficiency without being noisy at a reasonable price. The customers are happy and satisfied with their purchase of Jabsco 32605 Washdown Pump Kit.

Key Features and Specifications

  • It features a compact three-chamber design with 9 amp draw at 10 PSI. The fuse size is around 12 amp.
  • It includes pump guard intake strainer, pressure nozzle, and port fittings, which are corrosion resistant. 
  • The sealed motor is long-lasting and works best in any weather. It can also run dry without incurring any damage.
  • The pump contains ISO 8846 Marine (Ignition Protection Standards.) It is suitable for fresh as well as seawater.
  • A booklet that comes with the pump shows flow direction and other important stuff. To use this pump is easy and safe. The pump turns off when pressure is reached to the highest.


5. Johnson Pumps 10-13407-07 Aqua Jet Washdown PumpJohnson Pumps 10-13407-07 Aqua Jet Washdown Pump

If you have a small or medium-sized boat, whether it is for recreational activity, leisure, or commercial use, Johnson Pumps are the best solution you may get. It is perfect for a deck wash and clean fish box, RV, or chains. 

Key Features and Specifications

  • It offers higher pressure than the other pumps for quick and easy clean-up. It is quiet and pulsation-free even at low speeds.
  • It is a five-chamber diaphragm pump that includes trigger nozzle, PUM protector built-in strainer and hose connections for the half-inch hose.
  • Its 185-watt motor and 5.2 GPM capacity works fantastic to remove any material, dirt, debris, or fish scales.
  • The pump includes built-in thermal protection, PA/PPA body, nitrile valves, and Santoprene diaphragm.
  • The package includes both BSP and NPT connections. Fuse size is 20A and the pressure cut off is at 70 PSI.


Note: After using, it is essential to clean the pump. Also, you must wash yourself to avoid any allergic reaction to your skin. It is risky to store the pump saturated with chemicals. It may damage the equipment.

These are some of the best marine washdown pump reviews. We hope you got some valuable information from this article. You can buy any of these washdown pumps for your boats. All are easy to install, built to withstand the marine environment and also can run dry without any damage. So, read these detailed reviews carefully and choose one according to your usage. Have a safe and happy ride ahead. 🙂


  1. Recently installed in #5 in my boat and only used it a few times. It provides a steady stream of good water pressure. It appears to be solidly made and well sealed. I use it exclusively in saltwater. It worked well for me.

    1. #2 product 2 looks pretty good, I will definitely use that. Thank you for writing this post, it is useful for me, I’ll keep reading your website.

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