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🚿 Elevate your water game with smart, silent, and steady pressure perfection!
The SEAFLO 56A Series is a 12V DC variable speed water pressure pump delivering 5.0 GPM at 70 PSI with self-priming up to 6 feet. Engineered for RVs, yachts, boats, and campers, it features intelligent speed control for constant pressure, quiet operation via bypass technology, durable corrosion-resistant construction, and quick-attach ports for easy installation. Certified by NSF, CE, RoHS, and UL, it comes with a 4-year warranty for reliable, long-term performance.



































| ASIN | B0BXRJJXND |
| Best Sellers Rank | #138,209 in Automotive ( See Top 100 in Automotive ) #116 in RV Water Pumps & Accessories |
| Brand | SEAFLO |
| Brand Name | SEAFLO |
| Color | White, Orange, Black |
| Customer Reviews | 3.6 out of 5 stars 142 Reviews |
| Flow Rate | 5 Gallons Per Minute |
| Global Trade Identification Number | 00810039492987 |
| Included Components | SEAFLO 56A-Series Water Pump |
| Item Dimensions L x W x H | 8.48"L x 5.37"W x 4.98"H |
| Item Type Name | Water Pump Water Pressure Pump Diaphragm Pump |
| Item Weight | 7 Pounds |
| Manufacturer | SEAFLO |
| Manufacturer Part Number | SFDP1-050-070-56A |
| Material | EPDM(Valves) / Santoprene(Diaphragm) |
| Material Type | EPDM(Valves) / Santoprene(Diaphragm) |
| Maximum Lifting Height | 6 Feet |
| Model Number | SFDP1-050-070-56A |
| Power Source | 12V DC |
| Product Dimensions | 8.48"L x 5.37"W x 4.98"H |
| Product Style | 12V |
| Specific Uses For Product | Rv/Yacht/Boat/Camper |
| Style | 12V |
| UPC | 810039492185 |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |
M**.
Great replacement pump
Very nice pump. Installation is simple, but it would be nice if there was a better assortment of connectors provided. Like many have commented, some installations will require an additional connector. The slide lock connectors that attach directly to the pump are nice. Just insert the fitting and push in the lock. The pump is quieter than my old one but you have to be careful not to over tighten it. If you do, you'll crush the rubber mount and the pump will be solid to the mounting surface and it will be very noisy. I had to loosen the mounting screws. With the switch system on this pump you can draw a small quantity of water without the pump starting. The pump holds pressure well. With my old pump it would run for a couple of seconds every hour since it would lose pressure. With this pump I can turn it off and wait a couple of days and when I turn it on, it doesn't have to run to build pressure because it's held pressure without bleeding down.
R**Y
Don’t count on any warranty support
I’ve purchased 2 of these in the last two years. The first one failed right after the Amazon return window closed. After calling the support line and a few troubleshooting steps it was determined the “motherboard” was faulty. I was then informed they were out of stock and I was assured I’d be out on a list to receive a replacement as soon as they were available. After 6 months and several follow-up attempts I saw they were listed again on Amazon. I contacted seaflo again and was informed I needed to contact another supplier then crickets. Finally after many attempts to Contact someone went. Ahead and purchased another one directly from Seaflo and was assured there was a 4 year warranty. It didn’t work as well as the previous one before it almost burnt my RV to the ground. Now less than 2 years later it has completely stoped working. I’ve filled out several forms for warranty and found they have put so many road blocks in the process, and no way to actually talk to a human I’ve given up out of frustration. The pump was fantastic but don’t last. Good in theory but crappy in execution. I would certainly NOT recommend buying anything from them for any reason.
D**S
Great for Off Grid Applications.
I bought this for an Off Grid tiny home for my elderly mother. I ended up using it on my house (Off Grid Too) My wife is a dog groomer, and when bathing a dog, the water flow was low enough that it would destroy the pressure switch on other pumps designed for RV’s in a very short time. This pump has NO surging. It is connected to a 1,600 gallon water tank feeding my whole house. I live at 6,500 feet where it freezes in the winter. The motor does get hot. So caution when wrapping it with insulation. Can’t fault the company tho, I am a few feet above the Sea…..
J**G
Quieter
This is much quieter than our previous water pump.
R**R
Good pump
Pump is great but went through all three fittings to find on that didn't leak. All good now. Flow good, quieter than old pump. Thank you
M**.
Beware - SeaFlo does not honor their warantee - Smoke & Mirrors
I had this pump working on my boat for 1.3 years, if failed on February 21st 2026, I opened a support ticket, did some troubleshooting as requested by SeaFlo usa and it was determined the unit had failed under warrantee. I paid the shipping to return the unit on February 24th, the pump was received, verified by seaflo it failed under warrantee and they would ship me a replacement. This was on March 3rd 2026, from that point on trying to follow up via email on when I can expect the replacement, crickets, no reply – response – nothing. Be warned, Seaflo does not honor their warrantee, its all smoke and mirrors. I recommend purchasing a competing product that truly stands by their product and published warrantee / guarantee.
B**H
Supplies water to my house.
I use this in conjunction with a higher powered pump. It works terrific. I can only get about 3 gallons per minute out of it. But that’s enough to run two showers at the same time. I have it in line with a large pump that uses a lot of electric electricity which comes on if I turn on a garden hose or something. The only thing I don’t understand is why they don’t include one more half inch threaded fitting. I think you should have the choice to use slip on tubing or threaded fitting. You have to buy extra threaded fitting which you can purchase, but you have to get four of them.
J**K
Impressive pump, really quiet and smooth.
The pump is larger than the shurflo that it replaced so you will need a little extra room. Also you will need to add an inline check valve since this pump doesn't come with one built in. After installation I was so happy how quiet the pump is compared to the old pump and how smooth the water pumps from the faucet. This does not pump with the same vibrating pulsations that the old one did. Comes with a new strainer and only one connection for male NPT and I needed two so I had to buy an extra. They sell them here on Amazon. So far I am very pleased if something changes I'll update the review.
D**P
La excelencia empresarial tiene un nombre : LIGHTEU/ SEAFLO
Soy cliente de Lighteu / SeaFlo desde hace 5 años. Pedí esta bomba y le contraté un seguro de 3 años. La bomba nunca llegó. Amazon me facilitó un albarán de DHL "entregado y firmado" pero nunca ne facilitaron la firma aún pidiendola. Se negaron a reembolsarme. LIGHTEU vió que era injusto y me contactaron y reembolsaron por su propia cuenta. Compré otra igual de seaflo ( en aliexpress no amazon) y funciona de maravilla! Es decir Seaflo /Lighteu 10/10 Aliexpress 10/10 amazon 0/10. Confíen en Lighteu sin duda. Han dado la cara incluso cuando Amazon no. Me he quedado sorprendido gratemente con Lighteu!
K**E
Pumpe ist defekt
Ich hoffe es genügt. wie schon gesagt bitte ich um Geldgutschrift da es im Urlaub passiert ist und ich einen Austausch vornehmen musste. Pumpe schaltet sich nicht mehr ab und ist auch sehr heiss geworden. Musste leider schnelle Abhilfe schaffen. Ich habe jetzt zum 3 Mal die Nummer eingegeben und leider kein Vorankommen bis jetzt nur immer ich brauche die Nummer. Bitte jetzt um zügige Erledigung.
B**B
Water pump
Haven’t used it yet, looks to be a good pump
R**H
Missing fittings
Comes with 3 fittings, but only one of each type. So unless you are mixing barbs, threads, and elbows you will have to order the matching fitting. Interesting way to make an extra $ off every sale. They are also out of stock on the npts at seaflo... Another 50$ and two weeks to find out if the pump works
D**A
Working like a beast
Nice pomp
Trustpilot
1 week ago
2 weeks ago