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- Easy Claims Process: File a claim anytime online or by phone. Most claims approved within minutes. We will send you an e-gift card for the purchase price of your covered product. In some instances, we will replace or repair it.
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- Product Eligibility: Plan must be purchased with a product or within 30 days of the product purchase. Pre-existing conditions are not covered.
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Product Protection by Asurion, LLC
- BEST VALUE: Protect all your eligible Amazon purchases including: tech, tools, appliances, furniture and more. All for one low monthly price.
- PAST AND FUTURE PROTECTION: Covers malfunctions and failures, plus drops or spills for eligible portable items. Protection begins immediately for eligible purchases from the past 90 days, plus all eligible future purchases (products used commercially are excluded).
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- NO HIDDEN FEES. CANCEL ANYTIME: Up to $5,000 in total claims per 12-month period. Your plan renews monthly until canceled (coupons applied at checkout don’t renew monthly).
Product Protection by Asurion, LLC
- No Additional Cost: You pay nothing for repairs – parts, labor, and shipping included.
- Coverage: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer's warranty.
- Easy Claims Process: File a claim anytime online or by phone. Most claims approved within minutes. We will send you an e-gift card for the purchase price of your covered product. In some instances, we will replace or repair it.
- Product Eligibility: Plan must be purchased with a product or within 30 days of the product purchase. Pre-existing conditions are not covered.
- Terms & Details: More information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Terms & Conditions will be available in Your Orders on Amazon. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase.
SEAFLO 55 Series 12V RV Water Pump 5.5 GPM 60 PSI Diaphragm Pump Heavy Duty Pressure Switch Built In Bypass Self Priming Quiet High Flow RV Marine Off Grid Freshwater System 4-Year Warranty
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Purchase options and add-ons
| Brand | SEAFLO |
| Color | White |
| Material | EPDM, Santoprene |
| Style | 5.5 GPM - 60 PSI |
| Product Dimensions | 8.5"L x 5.75"W x 5.16"H |
| Power Source | 12V DC |
| Item Weight | 6.1 Pounds |
| Maximum Flow Rate | 5.5 Gallons Per Minute |
| Maximum Lifting Height | 9 Feet |
| Voltage | 12 Volts (DC) |
About this item
- [ SPECIFICATIONS ]: Model: SFDP1-055-060-55 | Voltage: 12V DC | Flow Rate: 5.5 GPM (20.8 LPM) | Shut Off Pressure: 60 PSI (4.2 BAR) | Suction Lift: 9 ft (2.7 m) | Max Draw: 17A | Ports: 1/2 in MNPT Threaded | Materials: EPDM valves Santoprene diaphragm | Max Temp: 140°F (60°C) | Intermittent Duty | Warranty: 4 Years
- [ 4 YEAR WARRANTY ]: Backed by SEAFLO’s 4 Year Limited Warranty, this pump is built for long term reliability and peace of mind in demanding freshwater systems. Designed for daily use in RVs, boats, cabins, and off grid installations, it provides dependable performance where consistent water delivery is essential for comfort and functionality.
- [BUILT TO NSF UL Standards FOR RV POTABLE WATER ]: Built to NSF/ANSI/CAN 61 & 372 (Potable Water Safety), NSF 24 (RV Plumbing), and UL 778 (Motor-Operated Water Pumps) Safe for drinking water and compliant with RV and marine plumbing standards across North America.
- [ HIGH FLOW 5 CHAMBER DESIGN ]: Advanced five chamber diaphragm construction delivers strong output up to 5.5 GPM while reducing rapid cycling compared to smaller pumps. This allows simultaneous use of multiple fixtures such as showers, faucets, and washdown hoses while maintaining stable pressure and smoother water delivery.
- [ HEAVY DUTY PRESSURE SWITCH WITH BYPASS ]: Integrated smart pressure switch automatically starts and stops the pump based on water demand, while the built in bypass stabilizes pressure and reduces frequent on off cycling. This improves system efficiency, extends service life, and delivers more consistent performance across varying flow conditions.
- [ SELF PRIMING RUN DRY CAPABLE ]: Capable of self priming up to 9 ft, the pump can be mounted above the water source without losing performance. Run dry capability protects internal components during temporary water shortages or tank depletion, making it highly reliable for mobile systems and remote installations.
- [ QUIET LOW VIBRATION OPERATION ]: A semi rigid rubber mounting base isolates vibration and reduces operating noise, making the pump suitable for enclosed compartments such as RV cabinets or boat lockers. This quieter performance improves onboard comfort while still delivering the high flow output required for everyday use.
- [ DURABLE MATERIALS FOR HARSH USE ]: Constructed with corrosion resistant components including EPDM valves and a Santoprene diaphragm, the pump withstands demanding freshwater and saltwater environments. These materials provide strong sealing performance, abrasion resistance, and long service life in marine and mobile water systems.
- [ INCLUDES INSTALLATION ESSENTIALS ]: Supplied with two 1/2 inch barbed hose adaptors, a 50 mesh inlet strainer, and installation instructions to simplify setup. Combined with standard threaded ports and pre wired leads, the pump is ready for straightforward integration into compatible RV, marine, or off grid plumbing systems.
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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 WarrantyFREE Shipping by AmazonGet it as soon as Wednesday, Jun 17Only 1 left in stock - order soon.
Product description
The SEAFLO 55-Series Diaphragm Pump is designed to meet the demanding needs of your water system, providing consistent and reliable performance in a wide range of applications, including RVs, boats, yachts, water purification systems, and more.
Premium Technical Specifications
Robust Construction
the SEAFLO 55-Series ensures precise pressure control, stable performance, and reduced cycling,. Constructed with premium materials like Santoprene and EPDM, this pump is built to withstand the harsh conditions of marine and RV environments, offering long-lasting reliability.
Maximum Versatility
High flow rate, robust suction power, and durable construction make it suitable for both freshwater and saltwater environments , The SEAFLO 55-Series delivers consistent and reliable performance across a wide range of applications.
Premium Product Features: Click Side Arrows to Explore!
Enjoy the convenience of self-priming with the SEAFLO 55-Series pump, which can achieve a suction lift of up to 9 feet. This powerful suction capability ensures that the pump can be mounted remotely from the water source, providing flexibility in installation options
55 Series vs Other SEAFLO Pumps
55-Series Diaphragm Pump
Add to Cart
| 21-Series Diaphragm Pump
Add to Cart
| 22-Series Diaphragm Pump | 33-Series Diaphragm Pump | 42-Series Diaphragm Pump | 56A-Series Diaphragm Pump
Add to Cart
| 53-Series Diaphragm Pump | |
|---|---|---|---|---|---|---|---|
|
Customer Reviews
|
4.2 out of 5 stars 1,852
|
4.4 out of 5 stars 1,842
|
3.7 out of 5 stars 25
|
— |
4.4 out of 5 stars 2,223
|
3.7 out of 5 stars 145
|
— |
|
Price
| $119.99$119.99 | $32.99$32.99 | — | — | — | $139.99$139.99 | — |
|
Model Number
| SFDP1-055-060-55 | SFDP1-012-035-21 | SFDP1-013-100-22 | SFDP1-030-045-33 | SFDP1-030-055-42 | SFDP1-050-070-56A | SFDP1-070-060-53 |
|
Open Flow (GPM/LPM)
| 5.5 / 20.8 | 1.2 / 4.5 | 1.3 / 5.0 | 3.0 / 11.3 | 3.0 / 11.3 | 5.0 / 18.9 | 7.0 / 26.5 |
|
Voltage
| 12V | 12V | 12V | 12V | 12V | 12V | 12V |
|
Max Draw
| 17A | 4.0A | 6.0A | 6.74A | 7.0 A | 10A | 24.5A |
|
Shut-off Pressure (PSI/BAR)
| 60 / 4.2 | 35 / 2.4 | 100 / 6.9 | 45 / 3.1 | 55 / 3.8 | 70 / 4.8 | 60 / 4.2 |
|
Priming Capabilities
| 9 FT (2.7M) suction lift | 4 feet (1.2 m) suction lift | 6 feet (1.8 m) suction lift | 6 feet (1.8 m) suction lift | 6 feet (1.8 m) suction lift | 6 feet (1.8 m) suction lift | 9 FT (2.7M) suction lift |
|
Max Recommended Temperature:
| 140° F (60° C) Max. | 140° F (60° C) Max. | 140° F (60° C) Max. | 140° F (60° C) Max. | 140° F (60° C) Max. | 140° F (60° C) Max. | 140° F (60° C) Max. |
|
Material:
| EPDM (Valves) | EPDM (Valves) | EPDM (Valves) | EPDM (Valves) | EPDM(Valves) | EPDM (Valves) | EPDM (Valves) |
|
Ports:
| 1/2"-14 MNPT Threaded | 3/8" hose Barb | 3/8" hose Barb | 1/2"-14 MNPT Threaded | 1/2"- MNPT Threaded | Quick Attach | Quick Attach |
|
Fixtures Quantity
| Up to 6 | 1 | 1 | 3-4 | Up to 4 | Up to 6 | Up to 8 |
|
Duty Cycle
| Intermittent | Intermittent duty | Continuous Duty | — | Continuous duty | Intermittent | Continuous Duty |
Product information
| Power Source | 12V DC |
|---|---|
| Flow Rate | 5.5 Gallons Per Minute |
| Maximum Lifting Height | 9 Feet |
| Voltage | 12 Volts (DC) |
| Color | White |
|---|---|
| Product Style | 5.5 GPM - 60 PSI |
| Item Dimensions L x W x H | 8.5"L x 5.75"W x 5.16"H |
|---|---|
| Item Weight | 6.1 Pounds |
| Material Type | EPDM, Santoprene |
|---|---|
| EU Spare Part Availability Duration | 4 Years |
Warranty & Support
Feedback
| Brand Name | SEAFLO |
|---|---|
| Global Trade Identification Number | 00637776648459, 00647336949872 |
| Manufacturer | SEAFLO |
| UPC | 793945655694 647336949872 |
| Manufacturer Warranty Description | 4-Year Warranty |
| Specific Uses For Product | Potable Water Pump |
| Manufacturer Part Number | SFDP1-055-060-55 |
| Included Components | (1) SEAFLO 55-Series Diaphragm Pump (1) Set of Instructions (2) 1/2" Barbed Hose Adaptors (1) 50 Mesh Inlet Strainer, 4 Year Warranty Card |
| Best Sellers Rank |
|
| ASIN | B07QLJ3WHP |
| Customer Reviews |
4.2 out of 5 stars |
From the brand
BUILT FOR THE JOURNEY
SEAFLO delivers reliable marine, RV & outdoor products—thoughtfully designed, quality tested, and backed by a 4-year policy.
-
MAKE WATER FOR YOU
SEAFLO provides dependable marine, RV, and outdoor products built for life on the water, on the road, and off-grid. From pumps and toilets to ventilation, electrical accessories, and essential parts, our products help customers upgrade with confidence.
As a family-owned brand, every product is thoughtfully designed, quality tested, backed by 4-year coverage, and supported by our U.S.-based team.
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Generated from the text of customer reviewsSelect to learn more
Reviews with images
HUGE upgrade!
Top reviews from the United States
- 5 out of 5 stars
Quite and powerful!
Reviewed in the United States on May 23, 2026I’m a full time livaboard on a 44 foot trawler. My previous on demand water pump died because of the pressure switch. I had it about two years. This time I was willing to pay more for hopefully a better pump. Time will tell. I’ve only had it a couple weeks. It has a 4 year warranty which I registered on line. (Very simple) installation was very straightforward. No surprises. The two things I liked immediately was, just how quiet it was. The old one you could hear throughout the boat. This one can barely hear in the bathroom on the other side of the bulkhead it’s mounted on. The second one is the pressure. After living most of my life on a boat I just got use to slightly low water pressure. This one has house water pressure or slightly more, even though it’s rated the same as my old one. Reliability I don’t know yet. If I have problems I’ll update it.
One person found this helpfulSending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
Delivers More Lift Than 9-Feet
Reviewed in the United States on August 12, 2025I have this pump mounted to a wood frame to pump water from my home's well to irrigate my potatoes and black raspberries. When I can babysit it, I connect it to a 12-volt automotive battery. This battery is recharged by a 100W Renogy solar panel, controlled by a small charge controller. The specs of this pump said the maximum head lift is 9-feet, so I cut the siphon (inlet) tubing 9-feet long. The water level in my well is about 9-feet below ground, so it was barely long enough to reach. I added another 5-feet of tube and found that it pumps water and mostly maintains a prime, although sometimes it'll lose the prime and stop pumping. So far, I'm pleased with its performance.
2 people found this helpfulSending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
heavy duty
Reviewed in the United States on November 19, 2024bought this to replace shurflo 3.0 gpm pumpmin my rv. had room to install but itnis so much more powerful that i needed to return it because the draw down on my house batteries was too much once solar was no longer charging. once the batts fell to 12.5v or less, the pump would not automatically turn off even when water valves were closed. it mentions needing full power when running but normally12.5 can sufficiently run pumps we have been using for decades for a few minutes without problrms. however, this one can draw 15amps max, almost twice what shurflo draws. so without shore power or genset running when off grid after sundown, it could run a battery bank down quite a bit if showering, even short ones, when you have no active charging going on. if hooked up all the time and charger is on, it would be a quality addition to the rv. however, unless you have a large battery bank when offgrid, which we do often in summer, it is overkill.
4 people found this helpfulSending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 4 out of 5 stars
12 volt pump
Reviewed in the United States on March 30, 2026Works great on our sprayer just hoping to get a little more life out of this one last one only lasted 2 years
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 1 out of 5 stars
Seaflo fresh water pump
Reviewed in the United States on June 1, 2026It loud, it cycles rapidly very disappointed in
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
Works as intented
Reviewed in the United States on June 2, 2026Works amazing, works better than the stock seaflo 33 series 12v pump that was in my rv
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
HUGE upgrade!
Reviewed in the United States on February 23, 2025got this to replace the 11 year old shurflo 3.5 gpm pump that i am pretty sure came with my trailer. thing was having all sorts of issues and it had a constant problem of "surging" pressure whenever you turned something on because of the pump cycling on and off. taking showers SUCKED assuming you could even get a whole shower in before the check valve decided to lock up and have 0 pressure. overall just a bad time with the ol shurflo
enter this bad boi. coupled with a seaflo accumulator tank and my water pressure is DEAD NUTS ON 60 PSI at all times. i even put a gauge on there to be sure. all my faucets have excellent flow and pressure on the pump like it was hooked to city water! showers are PERFECT with no weird "surging" from the pump cycling. it's also much quieter which is wild considering this pump is bigger!
since i wasn't sure if it had its own check valve, i installed one in-line on the vacuum side. if you do install a check valve, THAT'S WHERE IT GOES. trust me. i put it between the accumulator and pump and the pump didn't want to fully shut off, and the pressure was a whole 5 psi higher than it should be. swapped it around and all is good
all and all, this is it y'all. get this one!


got this to replace the 11 year old shurflo 3.5 gpm pump that i am pretty sure came with my trailer. thing was having all sorts of issues and it had a constant problem of "surging" pressure whenever you turned something on because of the pump cycling on and off. taking showers SUCKED assuming you could even get a whole shower in before the check valve decided to lock up and have 0 pressure. overall just a bad time with the ol shurflo
enter this bad boi. coupled with a seaflo accumulator tank and my water pressure is DEAD NUTS ON 60 PSI at all times. i even put a gauge on there to be sure. all my faucets have excellent flow and pressure on the pump like it was hooked to city water! showers are PERFECT with no weird "surging" from the pump cycling. it's also much quieter which is wild considering this pump is bigger!
since i wasn't sure if it had its own check valve, i installed one in-line on the vacuum side. if you do install a check valve, THAT'S WHERE IT GOES. trust me. i put it between the accumulator and pump and the pump didn't want to fully shut off, and the pressure was a whole 5 psi higher than it should be. swapped it around and all is good
all and all, this is it y'all. get this one!
3 people found this helpfulSending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again - 5 out of 5 stars
Nice flow and pressure
Reviewed in the United States on June 4, 2026This worked perfect with 1/2” feed line and micro sprinklers tapped in to the hose and prefect pressure like garden hose at your house. Have about 15 micro sprinklers tapped into it
Sending feedback...Sending feedback...HelpfulThank you for your feedback.Sorry, we failed to record your vote. Please try againThanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again
Top reviews from other countries
Eugene5 out of 5 starsWorth every penny!
Reviewed in Singapore on December 24, 2020This is a powerful little pump that works efficiently and quietly. Pressure is great!
Sending feedback...Thanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again
Mick5 out of 5 starsVery happy with the pump after 3 months
Reviewed in Australia on September 8, 2025I've had this pump for about 3 months and it works well and is a lot quiter than the last one I had.
I'd definitely buy this again.
Sending feedback...Thanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again
Vito Balliana5 out of 5 starsVery impressed
Reviewed in Australia on April 27, 2021This pump has enough pressure to use a normal garden hose and project water up to the roof of a second story house very impressed does exactly what I wanted to do
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Trevor Warren5 out of 5 starsAwesome
Reviewed in Australia on February 20, 2023This is a great pump and works as advertised. I highly recommend this pump.
Sending feedback...Thanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again
Raymond ZAISER5 out of 5 starsVery reliable and pushes water a long way
Reviewed in Canada on August 17, 2023I don't often review a product but after having this pump for 2 years I am happy to report it surpassed my expectations. I installed the pump at lakeside with a 150 watt solar panel charging 2 - 400 amp hr batteries and it pushes water vertically about 30' with a 200' run to the cottage. I'd say my flow rate is about 2 - 2.5 gpm at this distance with decent pressure. I used 3/4" PEX to the cottage then 1/2" branch lines. No problem operating our on demand hot water heater. So then I plumbed another line to an outbuilding another 75' further from the lake and still have adequate pressure and volume.
This pump has worked flawlessly for 2 years now. I'd definitely buy again.
I wanted to submit this so that anyone wanting to add water to their off grid cottage can feel confident that this pump will give them the water supply they will need.
Sending feedback...Thanks, we'll investigate in the next few days.Sorry, We failed to report this review. Please try again
Product summary presents key product information
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Product Summary: SEAFLO 55 Series 12V RV Water Pump 5.5 GPM 60 PSI Diaphragm Pump Heavy Duty Pressure Switch Built In Bypass Self Priming Quiet High Flow RV Marine Off Grid Freshwater System 4-Year Warranty
From SEAFLO
About this Item
- [ SPECIFICATIONS ]: Model: SFDP1-055-060-55 | Voltage: 12V DC | Flow Rate: 5.5 GPM (20.8 LPM) | Shut Off Pressure: 60 PSI (4.2 BAR) | Suction Lift: 9 ft (2.7 m) | Max Draw: 17A | Ports: 1/2 in MNPT Threaded | Materials: EPDM valves Santoprene diaphragm | Max Temp: 140°F (60°C) | Intermittent Duty | Warranty: 4 Years
- [ 4 YEAR WARRANTY ]: Backed by SEAFLO’s 4 Year Limited Warranty, this pump is built for long term reliability and peace of mind in demanding freshwater systems. Designed for daily use in RVs, boats, cabins, and off grid installations, it provides dependable performance where consistent water delivery is essential for comfort and functionality.
- [BUILT TO NSF UL Standards FOR RV POTABLE WATER ]: Built to NSF/ANSI/CAN 61 & 372 (Potable Water Safety), NSF 24 (RV Plumbing), and UL 778 (Motor-Operated Water Pumps) Safe for drinking water and compliant with RV and marine plumbing standards across North America.
- [ HIGH FLOW 5 CHAMBER DESIGN ]: Advanced five chamber diaphragm construction delivers strong output up to 5.5 GPM while reducing rapid cycling compared to smaller pumps. This allows simultaneous use of multiple fixtures such as showers, faucets, and washdown hoses while maintaining stable pressure and smoother water delivery.
- [ HEAVY DUTY PRESSURE SWITCH WITH BYPASS ]: Integrated smart pressure switch automatically starts and stops the pump based on water demand, while the built in bypass stabilizes pressure and reduces frequent on off cycling. This improves system efficiency, extends service life, and delivers more consistent performance across varying flow conditions.
- [ SELF PRIMING RUN DRY CAPABLE ]: Capable of self priming up to 9 ft, the pump can be mounted above the water source without losing performance. Run dry capability protects internal components during temporary water shortages or tank depletion, making it highly reliable for mobile systems and remote installations.
- [ QUIET LOW VIBRATION OPERATION ]: A semi rigid rubber mounting base isolates vibration and reduces operating noise, making the pump suitable for enclosed compartments such as RV cabinets or boat lockers. This quieter performance improves onboard comfort while still delivering the high flow output required for everyday use.
- [ DURABLE MATERIALS FOR HARSH USE ]: Constructed with corrosion resistant components including EPDM valves and a Santoprene diaphragm, the pump withstands demanding freshwater and saltwater environments. These materials provide strong sealing performance, abrasion resistance, and long service life in marine and mobile water systems.
- [ INCLUDES INSTALLATION ESSENTIALS ]: Supplied with two 1/2 inch barbed hose adaptors, a 50 mesh inlet strainer, and installation instructions to simplify setup. Combined with standard threaded ports and pre wired leads, the pump is ready for straightforward integration into compatible RV, marine, or off grid plumbing systems.
Product Description
Options Available
Style
- 1.2 GPM - 35 PSI
- 5.5 GPM - 60 PSI
- 7.0 GPM - 60 PSI
- 45 PSI- 3.0 GPM
Important Information
Bulb Voltage
12 volts_of_direct_current
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