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  1. RV Water Pump
  2. Seaflo
  3. Diaphragm Pump
  4. 12V
  5. 5.5 gpm
  6. 60 psi
Seaflo Diaphragm Pump for Boats and RVs - Open Flow - 5 GPM - 60 psi - 12V DC

Seaflo Diaphragm Pump for Boats and RVs - Open Flow - 5 GPM - 60 psi - 12V DC

Item # SE24FR
Our Price: $119.99
You Save: $106.00
RV Water Pump
Shipping Weight: 7 lbs
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Enjoy the comfortable water pressure of home with this self-priming, on-demand water pump. Supplies consistent water flow for up to 4 fixtures. Includes a check valve to prevent backflow. Great Prices for the best rv water pump from Seaflo. Seaflo Diaphragm Pump for Boats and RVs - Open Flow - 5 GPM - 60 psi - 12V DC part number SE24FR can be ordered online at or call 1-800-940-8924 for expert service.
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  • Reviews (65)
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Seaflo RV Water Pump - SE24FR

  • Diaphragm Pump
  • 12V
  • 5.5 gpm
  • 60 psi
  • 6 Fixtures
  • Seaflo
  • 140F
  • 60C

Enjoy the comfortable water pressure of home with this self-priming, on-demand water pump. Supplies consistent water flow for up to 4 fixtures. Includes a check valve to prevent backflow.


  • Water pump provides a consistent flow of fresh water in your RV or boat
    • Comfortable water pressure makes your RV feel like home
  • 5-Chamber diaphragm ensures high-volume water flow for up to 4 fixtures
    • Durable, abrasion- and corrosion-resistant santoprene construction
  • Self-priming unit removes air from pipeline, preventing delays and water spitting out of the faucet
    • Unit can be hidden from view because it doesn't require manual priming
  • Internal check valve prevents backflow contamination of your clean water supply
  • Automatic start-and-stop pressure switch helps prevent damage to the pump
    • Shuts the unit off if it becomes overloaded and starts to overheat
    • Turns the unit back on once core temperature reaches a tolerable level
    • Made for continuous duty, but can run dry during priming without damage to the unit
  • Quiet operation - comparable to an indoor electric fan
    • Semi-rigid rubber base minimizes vibrations and is tear and corrosion resistant
  • Durable, energy-efficient, copper-core motor generates minimal heat
  • Enclosed housing and sealed switches prevent damage caused by moisture
  • Included filter prevents debris from entering and damaging the unit
  • Simple installation
    • Connects to standard NPT connections - includes hose barb fittings for 1/2" hoses too
    • Mounts in any position using bolts (hardware not included)
    • Can be mounted in a location higher than the water tank
    • 2-Pin plug for easy connection
  • Compatible with 12V DC systems


  • Overall dimensions: 8-1/2" long x 5-3/4" wide x 5-3/16" tall
  • Mounting hole pattern (center to center): 3-3/16" long x 2-1/4" wide
  • Ports:
    • Inlet: 1/2"-14 male NPT
    • Outlet: 1/2"-14 male NPT
  • Maximum power draw: 17 amps
  • Flow: 5 gallons per minute (GPM)
  • Maximum pressure: 60 psi
  • Maximum water temperature: 140 F
  • 4-Year limited warranty

A water pump is needed to get the water from your RV or boat's fresh water holding tank up to your faucets. This automatic pump from Seaflo not only performs this task, but it also ensures a consistent flow and high-volume output for up to 4 fixtures. This means you can run your shower and your kitchen faucet at the same time without losing pressure. It's also energy efficient and runs quietly.

Seaflo pumps for RV fixtures

No-Mess Self-Priming

There are 2 types of pumps you can get for your RV: one that requires manually priming every time you run your fresh water tank dry, and one that primes automatically. Manual priming requires that you pour water into the pump, which can be inconvenient and messy. This pump primes itself, keeping you and your RV clean and dry.

Worry-Free Operation

Seaflo uses an automatic start-and-stop pressure switch that lets the pump run dry long enough to self-prime. If you turn your water on and realize you've unknowingly run your fresh water tank dry, the pump can run dry without damage while you shut the faucet and the pump off. The pressure switch also protects the pump motor from overheating when the water has been on for a while. So, if one of your kids leaves the faucet on, you're going to town with the washdown hose, or your teen takes a long shower (despite your asking them to conserve water), the pump will kick off when it starts to get hot. Once the motor has cooled, it will automatically come back on if the faucet or shower is still turned on.

To use this pump once it's installed, you only have to turn the water on!

Quick Tips: Some of our neighbors suggest unplugging this pump when you're traveling to prevent it from turning on accidentally if your faucets shake. And some of our feline-loving friends also recommend unplugging the unit any time you leave your cats unsupervised.


This pump can be installed on the floor, under a cabinet, or on the wall. Because this pump has a vertical, priming lift, you can install it up to 6' above your fresh water tank. Just make sure to measure 6' from the bottom of your holding tank. This is where the intake fitting will sit.

Pump feet and mounting pattern

Once you've determined the pump's location, it can be secured to its new home with 4 screws (not included).


A filter is included to prevent debris from entering the pump. To install this, just screw it inline with the inlet port.

The fittings on this pump are male NPT ports. Screw the 1/2"-14 NPT hose barbs onto the pump fittings. The hose barb fittings have wingnuts to make it easy to turn the fittings by hand. Once you have the tubing (sold separately) in place on the hose barbs, add hose clamps (sold separately) for extra security.

Fill your fresh water tank and turn your water faucet on to clear the lines of air. The pump should kick on immediately, but because self-priming can take up to a minute to complete, give it a little time to start producing water at the faucet.

SFDP1-055-060-55 Sea Flow 55-Series Diaphragm Pump for Boats and RVs - Open Flow - Up to 5.5 GPM - 1/2"-14 MNPT - 12V

Customer Satisfaction Score:

Customer Reviews

Seaflo Diaphragm Pump for Boats and RVs - Open Flow - 5 GPM - 60 psi - 12V DC - SE24FR

Average Customer Rating:  4.6 out of 5 stars   (65 Customer Reviews)

Enjoy the comfortable water pressure of home with this self-priming, on-demand water pump. Supplies consistent water flow for up to 4 fixtures. Includes a check valve to prevent backflow.


Very pleased at 1 year. This is the first pump I have had with the bypass function. It helps by lessening the pump cycling with low water flow at the faucet. This pump is also somewhat less noisy than our first and third pumps. Yes, we are on our 4th pump since new in 2014!. I have a really good feeling about this one now after 1 year and no glitches and still sounds the same as when I first installed it. Also it was an easy install since fittings matched the old ones.



We live full-time in our motorhome. Perhaps that is why we wore out 3 demand water pumps in the first 7 years. Now at the 2 year point with this pump and absolutely no problems to date. Very happy with this pumps functioning. I think SeaFlo got it right with this one.

Etrailer Expert

Mike L.


@Larry That's great to hear, we're glad it's working well for you!


So far so good. Added pressure and volume to our RV shower. Easy installation. Service from Etrailer is always great.

Texas D.


Has worked very well with no problems


This is a great pump. It produces lots of pressure. Very easy to install.


So far it is working great


Has been working just fine.

Brent H.


This pump has worked great all year,


Quality staff, Emily Rocks!!! ,,, product quality range excellent,,, I will continue to do business with ETrailer!!!!


The pump works as advertised, good flow for the shower. I like the variable flow feature and as always etrailer did their usual good job.


This pump is working fine, a replacement for one that was damaged by freezing not winterized correctly.


Doesn't work correctly, internal check valve not working as water comes back through pump when city water on.

Katrina B.


That is a very common problem. The incoming city water pressure is too high. Incoming suction side pressure ideally should be 0 but no higher than 30 psi. There needs to be a regulator on the city water feed.

Katrina B.


Thank you so much for the reply, I have put a regulator on hose and the new warranted pump works now!


The pressure switch failed contacted Seaflo to just get a replacement pressure switch with out sending the pump back as I need it. And never got a answer to my email. Will buy form another company the next time.

Etrailer Expert

Jenny N.


I will have our Customer Service team reach out to you. The pump does have a limited 4 year warranty.


So far it’s been a great pump


Good service will buy again thanks


The pump is wonderful. The only problem is that Etrailers video tells you it will work on a 17 amp circuit. The instructions from seaflo says pump should be wired on its own dedicated circuit to the battery. The electrical circuit for this pump requires a 25 amp fuse. I installed a continuous duty solenoid that supplies power to the pump when I turn the existing pump switch on that was it my 5th wheel rv.


The pump arrived on time and works well. I replaced the original pump in my Monaco motorhome and it is quieter than the one I replaced. The only problem I had was the box was open when it was delivered and I had to go buy o-rings for the fittings so they would seal. I would definately recommend this pump and etrailer.


I have water pressure!!! I couldn't believe how "weak" the old (original) pump was in this motorhome. It took some pipe modification to get it to fit, but I am glad I went with the most powerful unit I could buy. eTrailer was it's usual "efficient self", ordering was seamless and delivery was timely and efficient.


This is a direct replacement for the existing pump in our RV which made instillation a breeze. My only complaint is that it is incredibly noisy compared to the Shurflo pump it replaced..


Great, pump doesn’t constantly recycle


Best pump out there. I've had a few and this one is quieter and plenty strong enough


I received my product this morning as promised. Very good looking, well made pump. I have bought multiple items from etrailer, and have been very pleased each time with the products and service. I very much appreciate them following up as they do to see if I am pleased. I always search etrailer first for my needs. I highly recommend etrailer.


I tried 2 other pumps and this is the only one that delivered a good flow


Easy to use/tighten, no drips


I love Etrailer! They work with you and are very helpful when you order parts. Great prices also!


Excellent product !! works great , installed in my 32' RV , pressure is really nice , does not constantly surge on and off , Nice pump


Works great lasts a long time


Was not an on demand kept blowing fuses gave up on it. I will look elsewhere. For the proper pump.

Show More Reviews

See what our Experts say about this Seaflo RV Water Pump

  • Recommended Water Pump for An RV Using A Lot of Water
    I recommend going with the Seaflo Diaphragm Pump for Boats and RVs - Variable Flow # SE24FR you were looking at. It sounds like you got a lot going on and are going to need a pump to keep up with those demands. The 5 GPM (gallons per minute) pump # SE24FR is going to be plenty. Most trailers and campers will use pumps that have a 3-3.5 GPM pump, but for larger motohromes that use more water you'd want to go with something in the neighborhood of 5 GPM or higher.
    view full answer...
  • How to Choose Correct Size Replacement Water Pump for RV
    In regards to replacing the water pump in a trailer, we simply recommend replacing this with a unit that carries similar specs to the existing as that is what was chosen by the manufacturer based on the several factors such as line length, line size, consumption etc. I wouldn't be able to inform of the maximum size pump you can use but so long as they are the same or just slightly higher than the existing pump there should be no issues. The Seaflo Diaphragm Pump for Boats and RVs part #...
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  • Can the Seaflo Diaphragm Pump Be Used with Dual Switch System
    It sounds like your 2003 Pace Arrow 37A has switches in 2 places on the coach to allow you to control the water pump, which won't be an issue with the Seaflo Diaphragm Pump for Boats and RVs - Variable Flow - Up to 5.5 GPM - 1/2" MPT - 12V # SE24FR. You'll install this unit just as it was connected to your old water pump.. In regards to the "quick connect" hose fittings, I'm not aware of a water pump that offers those included and I believe it's something you would have to come up with...
    view full answer...
  • Does the Seaflo Diaphragm Pump for Boats and RVs Have a Check Valve
    Yes, the Seaflo Diaphragm Pump for Boats and RVs part # SE24FR has a built-in check valve. There should also be a built-in check valve at the city water hookup as well.
    view full answer...
  • Do I Need a Relay to Install Seaflo 5.5GPM On Dual Switches
    I confirmed with my contact at Seaflo that the # SE24FR does not require any relays to be installed in this manner, and you can turn the pump on and off in this installation method.
    view full answer...
  • Can Brass Fittings Be Used With The Plastic Fittings On A Seaflo RV Water Pump
    Yes, since the Seaflo Diaphragm Pump for Boats and RVs # SE24FR has 1/2"-14 male NPT fittings for both to the inlet and outlet you would be able to use brass fittings instead of the included hose barb fittings, as long as you get the correct size and thread pitch. To thread plastic and metal fittings together, the male fitting has to be plastic, and the female fitting has to be metal. When fittings with a tapered thread such as NPT are tightened, the male fitting is compressed, and the...
    view full answer...
  • Variable Flow of the Seaflo Diaphragm Pump for Boats and RVs
    The Seaflo Diaphragm Pump, # SE24FR is a 12 VDC pump that flow up to 5.5 gallons per minute and pressure setting at 60 psi. This is a variable flow based on demand, there is not an adjustable setting on the unit itself to make changes.
    view full answer...
  • Can the Seaflo Diaphragm Pump for Boats and RVs Be Mounted Vertically
    Yes. The Seaflo Diaphragm Pump for Boats and RVs - Variable Flow - Up to 5.5 GPM - 1/2" MPT - 12V # SE24FR can be mounted in any position or orientation and offers 6 feet of suction lift for vertical priming.
    view full answer...
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  • Recommended RV Water Pump For A 4 Gallon Water Tank
    RV water pumps like the Seaflo Diaphragm Pump for Boats and RVs # SE24FR pressurize your trailer's plumbing up to their specific psi rating and kick on when the psi starts to drop. With you only having a 4 gallon tank you would quickly blow through the water in it with a pump so the # SE24FR is a bit overkill for your needs. I recommend going with a lower psi and GPM model unit like the Seaflo Diaphragm Pump for Boats and RVs - Variable Flow - 1.2 GPM - 35 psi - 12V DC # SE37FR. This...
    view full answer...
  • Replacement Water Pump Recommendation for a 2001 Fleetwood Camper
    I recommend replacing your water pump with something that has a similar flow rate so you aren't downgrading from your current unit. For something slower I recommend the Seaflo Diaphragm Pump # SE57FR rated for 3 GPM (Gallons per minute) or for something a little faster we have the Seaflo Diaphragm Pump # SE24FR rated at 5 GPM. I'm linking review videos as well as our selection of replacement water pumps for your reference.
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  • Water Pump Options For a 2010 Tiffin Allegro Motorhome
    I have listed out a few options for you below. Unfortunately, there isn't anything that tells us what water pump you currently have in your 2010 Tiffin Allegro, so I have listed out water pumps that work with a different number of fixtures. 2 Fixtures - Seaflo Diaphragm Pump for Boats and RVs # SE58FR (45 psi) 4 Fixtures - Seaflo Diaphragm Pump for Boats and RVs # SE57FR (55 psi) 6 Fixtures - Seaflo Diaphragm Pump for Boats and RVs # SE24FR (60 psi) You would just want to select the...
    view full answer...
  • Can the psi be of the Seaflo 60 psi Diaphragm Pump Be Adjusted
    No, the Seaflo Diaphragm Pump, # SE24FR is a 12 VDC pump that flows up to 5.5 gallons per minute and pressure setting at 60 psi. This is a variable flow based on demand, there is not an adjustable setting on the unit itself to make changes. If you are needing your pump to be within the 45-55 psi range you would want to go with one of the below pumps: - Seaflo Diaphragm Pump for Boats and RVs # SE58FR (45 psi) - Flow Max RV Fresh Water Pump # LC689052 (50 psi) - Seaflo Diaphragm Pump...
    view full answer...
  • Can a Seaflow 12 Volt Water Pump Be Adapted To Run Off 110 Volt Power?
    If you would like to adapt the Seaflo Diaphragm Pump # SE24FR to run on 110 volt power you will need to find a power converter that is capable of putting out at least 15amps of 12 volt power. We have larger units like the Progressive Dynamics Inteli-Power RV Converter # PD9130 that puts out 30amps of 12 volt power. You can also select the Seaflo Diaphragm Pump # SE96FR that has the same connectors as the other pump but is wired for 110 volt power.
    view full answer...
  • Recommended RV Water Pump For A Tiny House Build With An EcoTemp Water Heater
    I recommend the HydroMax RV Fresh Water Pump - 12 Volt - 3 Gallons Per Minute - 55 psi # P25201. This water pump has a 55 psi rating with a 3.0 GPM rating. It has rubber feet to minimize the noise and vibration that you would feel with the other pumps we currently have available, especially the higher PSI rated Seaflow Pump # SE24FR. The # SE24FR is going to give you a higher GPM to negate that pulsating you'd have from your faucet, but its much noisier. The HydroMax does run off of 12v...
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  • Best Water Pump for 2020 Cougar 30LRS
    RV water pumps are all universal in what they can replace so what I would recommend as the best option for your 2020 Cougar is the Seaflo part # SE24FR as it has the highest gallons per minute flow rate of 5 GPM and has the highest water pressure rating of 60 psi.
    view full answer...
  • Is the Lippert 115v Flow Max RV Fresh Water Pump the Right Pump for a 2008 Winnebago 39Z
    The Flow Max RV Fresh Water Pump # LC689054 is wired for an AC connection. If your current water pump is wired for AC then you would be good to go with this pump. If it is wired for a DC connection then you would have to rewire your set-up or go with a DC option like the Seaflo Diaphragm Pump # SE24FR. The more common set-up is DC. If you wanted to send me the make and model number of your current pump, I could check on whether you have an AC or DC pump currently.
    view full answer...
  • Replacement Water Pump in a 2008 Winnebago Journey Motorhome
    We do carry RV water pumps. The Seaflo Diaphragm Pump for RVs # SE24FR is a self-priming, automatic-demand water pump with a 5-Chamber diaphragm that provides high-volume water flow with reduced cycling. It has overall dimension of 8-1/2" long x 5-3/4" wide x 5-3/16" tall and mounting dimensions of 2-1/4" long x 3-3/16" wide. The hose barbs attach to 1/2" tubing which is most likely what you have in your RV.
    view full answer...
  • What Causes RV Water Tank to Overfill When Connected to City Water
    The problem you are having is the check valve of your water pump leaking water and filling your tanks to the point of overfilling them. We actually don't carry the Shurflo brand so we aren't much help picking between the two models you have listed. Our most popular option is the Seaflo part # SE24FR which is rated for 60 psi and 5 gallons per minute. This will be a nice bump in water pressure above what you have now. This has a really solid check valve as well which will prevent the problem...
    view full answer...
  • Replacement Water Pump for Shurflo 208--403-144 in Capri Rodeo Camper
    I recommend using the Flow Max RV Fresh Water Pump - 12 Volt # LC689052 which has a 3.3 GPM flow rate and operates at 45 psi. This pump will have the same 1/2" inlet and outlet hose dimensions as your Shurflo 2088-403-144 and will mount in the same manner, so it's a great replacement choice. This pump also provides the same 45 psi pressure as your Shurflo unit and pumps 3.3 gallons per minute, which is only .2 GPM less than the Shurflo unit. If you wanted to go for a bit of an upgrade,...
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  • Suspension Upgrade for 2011 Jayco Jay Flight 22FB
    The short answer to your first question is you will need to take some measurements. I'm not entirely sure what upgrades you want to make to your 2011 Jayco Jay Flight 22FB, but I'm assuming you mean something like upgraded equalizers. In order to choose the correct equalizer you will need to measure what you have now. For example, I have the Dexter E-Z Flex Suspension Kit # K71-652-00 on my Jayco Jay Feather which you can see in the installation video below. I had a fairly standard Dexter...
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Info for this part was:

Employee Lindsey S
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Employee Jameson C
Expert Research:
Jameson C
Employee Steven C
Installed by:
Steven C
Employee Michael B
Installed by:
Michael B
Employee Chris R
Video Edited:
Chris R
Employee John S
Video Edited:
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Updated by:
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