Best Seaflo Water Pumps in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for Seaflo Water Pumps

SEAFLO Water Diaphragm Self Priming Pump 3.0 Gallons/min (11.3 Lpm) 45 PSI New Rv / Marine 12 Volt Dc / 12 V Demand Fresh
#TOP1
Seaflo Water Diaphragm Self Priming Pump 3.0 Gallons/Min
9.7
PM SCORE
Seaflo 12V DC 1.2 GPM 35 PSI 21-Series Diaphragm Water Pressure Pump for Caravan/RV/Boat/Marine
#TOP2
Seaflo 12V Dc 1.2 Gpm 35 Psi 21-Series
9.6
PM SCORE
SEAFLO 42-Series Water Pressure Diaphragm Pump w/Variable Flow For Reduced Cycling - 12V, 3.0GPM, 55PSI
#TOP3
Seaflo 42-Series Water Pressure Diaphragm Pump W/Variable Flow
9.6
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Seaflo Water Pumps of 2026

Market Overview
Seaflo Water Pumps Reviewed
  • Reviews Analyzed: 17352 Items
  • PM Avg. Rating: 7.4 / 10
49 Products Evaluated
  • Highest Price: $559.95
  • Lowest Price: $19.79
  • Avg. Price: $93.77

Seaflo Water Diaphragm Self Priming Pump 3.0 Gallons/Min (11.3 Lpm) 45 Psi New Rv / Marine 12 Volt Dc / 12 V Demand Fresh

SEAFLO
123ABC
7.98 X 5.11 X 4.84 inches
4.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GK Wholesale 9.78

Features

(1)Diaphragm Pump,(1) set of instructions,(2) 1/2" barbed hose adaptors,(1) 50 mesh inlet strainer

3.0 Gallons Per Minute capacity flow, and 45 PSI pressure setting

Self priming, smooth, silent operation and can run dry without damage

Voltage: 12 VDC Dimensions: 7.84" X 5.00" X 4.62" Amps: 3.0 (6.0 Max. Amps)

4-Year Warranty

Seaflo 12V Dc 1.2 Gpm 35 Psi 21-Series Diaphragm Water Pressure Pump For Caravan/Rv/Boat/Marine

SEAFLO
SFDP1-012-035-21
6.50 X 3.80 X 2.50 Inches
0.22 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GK Wholesale 9.78

Features

The 21-Series Pumps are compact and designed for a wide range of applications including liquid transfer, spraying, circulation, filtration and dispensing

The 21-series of diaphragm pumps are self-priming and can be run dry without harm. It provides up to 1.2 gallons per minute

Built-in 35 PSI pressure switch for automatic stop/start

Self-priming allows it to be mounted above tank; able to run dry

1.2 gallons per minute (4.2 liters per minute) Built-in thermal protector; 3/8-inch hose barb ports

Seaflo 42-Series Water Pressure Diaphragm Pump W/Variable Flow For Reduced Cycling - 12V, 3.0Gpm, 55Psi

SEAFLO
SFDP1-030-055-42
7.97 X 4.92 X 4.37 Inches
4.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GK Wholesale 9.78

Features

UL 778 & CSA 22.2 Certified

12 Volt, 3.0 GPM, 55 PSI Positive Displacement Pump

Variable Flow With Bypass Technology For Reduced Cycling!

Self-Priming And Capable Of Run Dry Operation

4 Year Warranty comes standard on all SEAFLO products

Seaflo 33-Series Industrial Water Pressure Pump W/Power Plug For Wall Outlet - 115Vac, 3.3 Gpm, 45 Psi

SEAFLO
SFDPA1-033-045-33
7.98 X 5.11 X 4.84 Inches
4.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GK Wholesale 9.78

Features

UL 778 & CSA 22.2 Certified

Self-Priming up to 6 vertical feet

3.3 GPM Flow Capacity, 115V AC Current Draw .75 amps (1.2 Max Amps)

Built-in Adjustable Pressure Switch that turns on/off at 45 PSI

Plugs into standard wall outlet with pre-installed power plug

#TOP5

Seaflo Automatic Submersible Boat Bilge Water Pump 12V 750Gph Auto With Float Switch

SEAFLO
PVASBPSFBP1002
6.50 X 3.27 X 4.13 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GK Wholesale 9.78

Features

Flow Rate (GPH): 750GPH; Volt: 12V; Current(A): 3.0A; Head(M): 3.0M

Wire Lead(M): 1m; Outlet Diameter: 19mm/ 3/4-Inch; Width: Approx. 83mm

Built in magnetic float switch! No separate float switch is needed!

4 Year Warranty!

#TOP6

Seaflo 12V 1100 Gph Bilge Pump

SEAFLO
SFBP1-G1100-01 1
3.96 X 2.77 X 4.25 Inches
0.86 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GK Wholesale 9.78

Features

4 Year Warranty

12 volt, 1100 gallons per hour

Current draw: 3 Amp, (5 max) Fuse Size: 8 Amp Hose Outlet: 1-1/8"

Dimensions: Height 4.25" x Width 2.77" (fits industry standard mounting bases)

Seaflo Non Automatic Bilge Pumps For Boats 2000 Gph 12V Boat Marine Plumbing Electric

SEAFLO
SFBP1-G2000-01
6.40 X 5.20 X 4.50 Inches
2.52 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
South Bend Direct 5.49

Features

Flow capacity: 2000 Gallons per hour ( 7570 Litres per hour), 12 Volts DC

Heavy duty motors with stainless steel shafts and tough thermoplastic bodies

Totally submersible and ignition protected

To all existing safety standards ( CE, ROHS, ISO9001:2008 Approved)

2 years warranty

Seaflo 12V 3.0 Gpm 45 Psi Water Diaphragm Pressure Pump - 4 Year Warranty!!!

SEAFLO
SFPD1-033-45-33
7.87 X 5.12 X 4.72 inches
4.61 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Valueinmotion 9.74

Features

4 Year Warranty from Authorized Seaflo USA Dealer!!!

3.0 Gallons Per Minute flow, 45 psi

Self Priming

1/2" Threaded NPT Inlet/Outlet - includes 1/2" Barbed Hose Adapters - Mesh Inlet Strainer

12V DC Current Draw 3.0 amps (6.0 Max Amps)

Seaflo 110V 3.3 Gpm 45 Psi Water Diaphragm Pressure Pump - 4 Year Warranty!!! With Plug For Wall Outlet

SEAFLO
SFPD1-033-45-33
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MarineNow 9.76

Features

4 Year Warranty from Authorized Seaflo USA Dealer!!!

3.3 Gallons Per Minute flow, 45 psi Self Priming

Includes standard three prong outlet plug

1/2" Threaded NPT Inlet/Outlet - includes 1/2" Barbed Hose Adapters - Mesh Inlet Strainer

110V AC Current Draw .75 amps (1.2 Max Amps)

Seaflo Accumulator Tank Water Pump Flow Control Internal Bladder 125 Psi 23.5 Oz

SEAFLO
SFAT-075-125-01
0.82 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Valueinmotion 9.73

Features

Reduces pump cycling

Smooths water faucet pulses

Pre-pressurzied to 10 psi with built-in diaphragm

Max pressure 125 psi

Soft rubber mounts - 1/2 NPT inlet/outlet

Seaflo Dc Diaphragm Pump - 12V, 3.0 Gpm, 45Psi W/ Automatic Switch

SEAFLO
SFDP1-033-045-33
7.84 X 5.00 X 4.62 Inches
4.81 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GK Wholesale 9.78

Features

UL 778 & CSA 22.2 Certified

12 Volt, 3.0GPM, 45PSI Fully Automatic Diaphragm Pump

Serves 3 or more 1/2” (13 mm) outlets

Easy to install and service!

Threaded connections with multiple fittings

#TOP12

Seaflo Macerator Waste Water Pump 12V New Anti-Clog Feature For Rv Marine Trailer Toilet Sewer Self Priming

SEAFLO
43237-2
11.20 X 4.68 X 3.86 Inches
5.51 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GK Wholesale 9.78

Features

SEAFLO Macerator Waste Pump. Empty Marine / RV Holding Tanks. Also Use with Fish Boxes & Livewells

12 GPM OF FLOW. Self-Priming to 5 Feet. Will empty a 30 gallon holding tank in less than 3 minutes

ANTI-CLOGGING FEATURE. Dislodge Clogs Without Removing Hoses!

QUAD-BLADE CHOPPING DESIGN. Ensures problem free pumping, providing superior performance

Inlet: 1.5" Threaded & 1.5" Barbed - Discharge: 1.0" Barbed – 4 Year Warranty!

Seaflo 55-Series Washdown Pump Kit - 12V Dc, 5.5 Gpm, 70 Psi

SEAFLO
16.90 X 11.40 X 5.70 Inches
7.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GK Wholesale 9.78

Features

12V Self-Priming Water Pressure Pump

5.5 GPM and 70 PSI Pump

20 Ft. Hosecoil with sprayer gun

New heavy duty robust pressure switch

4 Year Warranty

All New Seaflo 55-Series Diaphragm Pump - 12V Dc, 5.5 Gpm, 60 Psi With Heavy Duty Pressure Switch

SEAFLO
SFDP1-055-060-55
8.50 X 5.75 X 5.16 Inches
6.93 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Valueinmotion 9.74

Features

ALL NEW Heavy Duty Pressure Switch

12 Self Priming On Demand Water Pressure Pump

5.5 GPM and 60 PSI

Ignition protected and thermally protected

4 Year Warranty

All New 33 Series Seaflo Marine Water Pump 12 V Dc 45 Psi 3.0 Gpm 23.5 Oz 125 Psi Accumulator System

SEAFLO
SFWSK1-030-045-002
15.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MarineNow 9.76

Features

3.0 GPM 12V Self-Priming Water Pressure Pump, run dry capable

23.5 oz Accumulator Tank Significantly Reduces Cycling

Max Draw 11 Amps

Priming Capabilities 6 feet (1.8 m) suction lift

4 Year Warranty!

Seaflo Shower Sump Pump System Box Multi Inlet 12V Dc 750Gph With 4-Year Warranty

SEAFLO
8205273
13.15 X 8.50 X 4.40 Inches
2.69 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GK Wholesale 9.78

Features

12V 750GPH Multi-Port Shower Sump / Grey Water System. Internal Float Switch- Automatically turns ON & OFF system.

Outlet Port: 3/4” Multiple Inlet Ports: 3/4" Port, 3/4" & 1" Port, 1-1/8" & 1-1/2" Port

The check valve on the outlet stops water from flowing back into the tank.

Removable mesh filter allows easy cleaning. Clear, easy snap-on cover for easy access and cleaning, with gasket seal

Industry Leading 4 Year Warranty Dimensions: Length: 13-1/4" x Width: 8-1/2" x Height: 4-1/2"

All New 55 Series Seaflo Marine Water Pump 12 V Dc 60 Psi 5.5 Gpm 2 Gallon Accumulator Tank System With Heavy Duty Pressure Switch

SEAFLO
6.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MarineNow 9.76

Features

5.5 GPM 12V Self-Priming Water Pressure Pump, run dry capable

2 Gallon Accumulator Tank Significantly Reduces Cycling

ALL NEW Heavy Duty Pressure Switch

Max Amp Draw 18.9 A - Continuous Duty Cycle

4 Year Warranty!

#TOP18

12V 5.5 Gpm 60 Psi Water Diaphragm Pressure Pump

SEAFLO
SFDP1-055-060-51
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Valueinmotion 9.73

Features

(1) Set of Instructions, (2) 1/2" Barbed Hose Adaptors, (1) 50 Mesh Inlet Strainer

5.5 Gallons Per Minute (20.0 LPM) capacity flow, and 60 PSI pressure

Priming Capabilities: 6 feet (1.8 m) suction lift, Inlet/Outlet Ports: 1/2″-14 MNPT

Best paired with SEAFLO Pre-Pressurized Accumulator Tank

Leads 16 AWG, 4.5″ long with/Leads 2-Pin connector, 5 chamber positive displacement diaphragm pump, self priming, capable of being run dry

#TOP19

Seaflo 720Gph Manual Diaphragm Hand Bilge Pump For Water Transfer (Aluminum Handle)

SEAFLO
SFDHA-G720-01
7.07 X 5.50 X 4.72 Inches
1.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GK Wholesale 9.78

Features

4-Year Warranty!

Removable aluminum handle for multiple position pumping

Provides up to 720 GPH (12 GPM) liquid flow

Suitable for 1.36" size hose

Simple, compact design for all your water transfer needs

Seaflo Pre-Pressurized Accumulator Tank (2 Gallon)

SEAFLO
SFAT-087-021-01
13.00 X 7.87 X 7.87 Inches
4.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Valueinmotion 9.73

Features

2 Gallon (8L) Expansion Tank

4-Year Warranty!

Increases the life of your pump and battery, while reducing sound and providing a more consistent water supply.

Set Accumulator ~3 PSI below water pump cut-in pressure for optimal usage

Connect Accumulator Tank to outlet side of water pump for best results

Seaflo Dry Bilge System

SEAFLO
SFDBS1-01
12.00 X 7.50 X 3.75 Inches
5.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GK Wholesale 9.79

Features

Removes all still water remaining from normal bilge pump operation

User programmable interface for manual or automatic operation

Keeps your bilge clean and dry unlike any other product or system in the industry

Approx. Dimensions: 12" x 7.5" x 3.75" Voltage: 12V Max Draw: 5.5 A

#TOP22

Seaflo High Pressure Marine Water Pump 12 V Dc 60 Psi 5.0 Gpm On Demand

SEAFLO
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Valueinmotion 9.73

Features

12v 5.0 Gallons/Min (20.0 LPM) 60 PSI. Ideal for marine, caravans/RV and agriculture

1 Diaphragm Pump, 1 Set of Instructions, 2 1/2" Barbed Hose Adaptors, 1 50 Mesh Inlet Strainer

This product is 100% brand new and comes in original color packing.

Extremely efficient, very low current draw and offer high capacity output, Self priming

Smooth, silent operation, can run dry without damage, thermal overload and ignition protection

#TOP23

Seaflo 90 Degree Baitwell Pump 800Gph 4.0A 12V Submersible Bilge Pumps

SEAFLO
SFBP1-G800-05
1.28 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GK Wholesale 9.78

Features

Positive snap motors with stainless steel shafts and tough thermoplastic bodies.

Size: 800 gph in 12 volt version.

Pump is fully submersible and utilizes tin-coated, 16-gauge wire for safety.

Extremely efficient, very low current draw and offer high capacity output.

Water cooled motors for long life, with anti airlock design and moisture tight seals.

#TOP24

Seaflo Diaphragm Pump 12V 4.0 Lpm 1.1 Gpm 70 Psi Water Pressure Pumps Residential Caravan

SEAFLO
SFDP1-011-070-21
2.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MarineNow 9.77

Features

New 12v DC self priming water pressure pump

Extremely efficient, very low current draw and offer high capacity output

2 Chamber positive displacement diaphragm pump

70 PSI (4.8 bar)/1.1 Gallons per minute (4.0 Litres per minute)

Built-in pressure switch, to automatically turn on and off as you turn your tap or nozzle on and off.

Usa Adventure Gear Yukon Xl Portable Water Transfer Pump / 5.3 Gpm / 12 Volt Dc/Professional Grade/Ruggedized Military Grade Case/Strong Flow/ 14 Ft Lift/On-Demand Switch/Made In The Usa

USA ADVENTURE GEAR
YWTP-500
12.75 X 5.50 X 10.75 Inches
11.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
USA Adventure Gear 6.11

Features

No-Assembly, Portable Water Transfer Pump – The Yukon XL ToughGear ruggedized water transfer kit can be used straight out of the box. With this RV water pump, you can transfer water into stock tanks, cabin, and marine holding tanks.

Designed for Pumping Water Anywhere - Camping is easier with our 150-Psi 12v water pump. This self priming water pump has a 14-foot priming capability and moves large volumes of water quickly without the hassle of hauling, dumping, or pouring.

Automatically Turns On and Off – This portable water pump with pressure switch runs on Rv power and uses water pressure at 55-Psi to either activate or deactivate on its own - no more manual operation!

No Distracting Noise - Delivering 5.5 gallons per minute, our fluid transfer pump works efficiently and quietly. With this water pump kit, drawing water from streams and other large bodies of water without loud distractions is a breeze.

UseBuilt to Last - Suitable for pumping, draining, recreation and irrigation purposes; this camping water pump has a unique 5-chamber diaphragm and built-in, military-grade heavy duty case to protect it from outdoor elements. Also, this 12 volt transfer pump can run dry without damage.s include Marine, RV, Agriculture and Recreational Applications

MADE IN THE USA - This water pump is proudly made in the USA using high quality, tough, durable, and long-lasting parts. SATISFACTION GUARANTEED

Seaflo 12 Gpm Diaphragm Hand Pump

SEAFLO
SFDHP-G720-01
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MarineNow 9.76

Features

4-Year Warranty

Tough and lightweight polypropylene material is suitable for many applications

1.3" ID House Outlets designed for high flow

Pump Body: Glass-filled Polypropylene, Diaphragm: EPDM, Fasterners: Stainless Steel

#TOP27

Seaflo New Rv Marine 12V Dc 4.3L/Min 35 Psi Fresh Water Diaphragm Self Priming Pump

SEAFLO
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MarineNow 9.77

Features

2 Chamber positive displacement diaphragm pump, self priming, capable of being run dry

1.2 GPM

Inlet/Outlet Ports: 3/8″ Hose Barb

Built-in pressure switch automatically starts and stops pump when faucet is opened and closed

Seaflo 14A Series Narrow Low Profile Water Level Sensing Automatic Bilge Pump (1100 Gph, 12V)

SEAFLO
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GK Wholesale 9.78

Features

12V DC, 1100 GPH

Automatic Water Sensing with Low Profile Strainer

Pump starts when water reaches 1.77"

Check Valve and fittings for 3/4", 1", 1-1/8", included

4 Year Warranty

#TOP29

Seaflo 24V Dc 1.2 Gpm 35 Psi 21-Series Diaphragm Water Pressure Pump For Marine Boat Rv Caravan

SEAFLO
DP24123521
1.26 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MarineNow 9.77

Features

On-demand, automatic water pump for small boats, campers and vans

Built-in 35 PSI(2.4 BAR) pressure switch for automatic stop/start

Self-priming allows it to be mounted above tank; able to run dry

Quiet operation; 3/8-inch hose barb ports

1.2 gallons per minute (4.3 liters per minute); 2.0 Max Amps

Seaflo Marine Water Pump 24 V Dc 60 Psi 5.5 Gpm 2 Gallon Accumulator Tank System

SEAFLO
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

5.5 GPM 24V Self-Priming Water Pressure Pump, run dry capable

2 Gallon Accumulator Tank Significantly Reduces Cycling

Drinking water safe

Max Amp Draw 9 A - Continuous Duty Cycle

4 Year Warranty!

Top 10 water pumps seaflo Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Seaflo 48
Usa Adventure Gear 1

Top 10 water pumps seaflo Brands Pie Chart


We've carried out a comprehensive analysis of 17,352 reviews on water pumps seaflo, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select water pumps seaflo priced around $93.77, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 30 water pumps seaflo for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .

We are dedicated to assisting our users in finding the right pumps Products based on their needs, saving them considerable time when choosing which water pumps seaflo to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.