Best Automatic Bilge Pump For Small Boat

Category: bilge pump 👁 373 👍 20 ★★★★☆4.7

1. Shoreline Marine 600 Pump. This small pump is the best automatic bilge pump if you're looking for an inexpensive, small, and compact pump with a modest pumping capacity. It's fully submersible too, which means you don't have to worry if you need it to operate underwater.

Otherwise, what size bilge pump do I need for my boat?

Recommendations For Minimal Bilge Pump Sizing By Boat Length

Boat LengthPump Output (GPH)Source: West Marine
To 18'300 to 500
18'-22'450 to 700
22'-26'600 to 1,200

Not only that, do bilge pumps come on automatically? Today, most bilge pumps come on automatically. This is because they are built with an automatic float switch that turns the bilge pump on when water levels in the bilge start to rise.

Similarly, does my boat need a bilge pump?

Bilge pumps are that last line of defense against your boat sinking. Unfortunately, most boaters believe that one pump is sufficient. That is actually the bare minimum required, and three or four pumps per craft is recommended.

Should I leave bilge pump on?

Seaman. Re: should I leave the bilge pump on? Not all pumps are automatic but most are, there will be a float on the front of the pump that when u raise it up it will kick the pump on. The pump could run a long time dry without hurting it.

BESTSELLER NO. 1 in 2021

MAXZONE Automatic Submersible Boat Bilge Water Pump 12v 1100gph Auto with Float Switch (Blue - Automatic)

MAXZONE Automatic Submersible Boat Bilge Water Pump 12v 1100gph Auto with Float Switch (Blue - Automatic)
  • Flow Rate (GPH): 1100GPH; Volt: 12V; Current(A): 3.8A; Head(M): 3.0M
  • Wire Lead(M): 1m; Outlet Diameter: 29mm/ 1.14 Inch (1-1/8"); Width: Approx. 81mm
  • Built-in float switch! (No separate float switch is needed)
  • No power use until pump is activated by internal float switch (when water level rises)
  • Equipped with built in electronic controlled reed sensor system for easy fully automatic operation
BESTSELLER NO. 2 in 2021

attwood 4505-7 Sahara S500 Automatic Bilge Pump, 12-Volt, 1.5-Amp Draw, ¾-Inch Interior Diameter Hose, 29-Inch 16-Gauge Wire

attwood 4505-7 Sahara S500 Automatic Bilge Pump, 12-Volt, 1.5-Amp Draw, ¾-Inch Interior Diameter Hose, 29-Inch 16-Gauge Wire
  • Reliably provides bilge water pumping for boats of any size
  • Meets automatic switch pump requirements for any vessels 20 feet and over with sleeping accommodations
  • Also convenient and useful for boats of any size
  • Compact and durable package includes pump, wire seals, strainer, and mercury-free switch in one unit
  • Installs quickly and easily in tight spaces, mounts horizontally only
  • 12-volt, 1.5-amp draw pump is rated for 500 GPH performance at open flow (at voltage of 13.6 volts DC)
  • Comes with a 29-inch length of 16-gauge caulked and tinned copper wire, and uses a ¾-inch interior diameter hose
BESTSELLER NO. 3 in 2021

Onechoices Automatic Submersible small Boat Bilge Pump 12v 750gph Auto with Float Switch 3/4 inch (19mm) Outlet Dia, bilge pumps for boats

Onechoices Automatic Submersible small Boat Bilge Pump 12v 750gph Auto with Float Switch 3/4 inch (19mm) Outlet Dia, bilge pumps for boats
  • Built-in float switch! (No separate float switch is needed)
  • Equipped with built in electronic controlled reed sensor system for easy fully automatic operation
  • No power use until pump is activated by internal float switch (when water level rises)
  • Wire Lead(M): 1m; Outlet Diameter: 19mm/ 3/4"; Width: Approx. 81mm
  • Flow Rate (GPH): 750GPH; Volt: 12V; Current(A): 3A; Head(M): 3.0M
BESTSELLER NO. 4 in 2021

Rule 500 GPH 25SA Electronic Sensing Bilge Pump-500

Rule 500 GPH 25SA Electronic Sensing Bilge Pump-500
  • Completely automatic with manual override; no float switch needed
  • Submersible and ignition protected
  • High efficiency, low amp motor
  • Stainless-steel shaft
  • Includes backflow preventer
BESTSELLER NO. 5 in 2021

Rule 02 Marine Bilge Pump, 1500 GPH, Non-Automatic, 12 Volt,Red/White/Blue

Rule 02 Marine Bilge Pump, 1500 GPH, Non-Automatic, 12 Volt,Red/White/Blue
  • A genuine Rule product, don't settle for anything less
  • More pumping capacity and more exclusive design features than any comparable competitive pump at a lower cost
  • 1-1/8 inch (28. 6 millimeter) hose barb discharge outlet, 12 Volts DC, limited 3 year
  • Silent and vibrationless operation. Stainless steel shaft, completely submersible, rust and corrosion protection
  • Compact, efficient, long-life motors, able to run dry for short periods
BESTSELLER NO. 6 in 2021

creatorele Submersible Marine Auto Boat Bilge Pump 1100GPH Electric Boat Plumbing Automatic 12V

creatorele Submersible Marine Auto Boat Bilge Pump 1100GPH Electric Boat Plumbing Automatic 12V
  • Connections: For 19mm (3/4") bore hose for 600GPH &750GPH, 29mm hore hose for 1100GPH. Output: Up to 1100 gallons/hour. Max. recommended discharge head 2.5m.
  • All-in-one pump & switch - No float switch required.Pump turns on when water level rises & shuts off when water is removed. Snap-off strainer for easy cleaning.
  • Water cooled motors for long life, with anti airlock design and moisture tight seals.Heavy duty motors with stainless steel shafts and tough thermoplastic bodies.
  • Totally submersible and ignition protected.Compact pump for smaller vessels. Tough plastic body.Limited one year warranty.
  • Can be used with switch panel for manual override.Includes comprehensive user manual with installation instructions and wiring diagram.
BESTSELLER NO. 7 in 2021

SEAFLO Non Automatic Bilge Pumps for Boats 2000 GPH 12V Boat Marine Plumbing Electric

SEAFLO Non Automatic Bilge Pumps for Boats 2000 GPH 12V Boat Marine Plumbing Electric
  • 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
BESTSELLER NO. 8 in 2021

Rule LP900S LoPro Bilge Pump - 900 GPH, Automatic

Rule LP900S LoPro Bilge Pump - 900 GPH, Automatic
  • Flow Rate: 900 GPH
  • 13 VDC Power
  • Designed for tight spaces; Dimensions: 2.4" height
  • Pump only operates when water is present
  • Discharge body mounts horizontally or vertically and swivels up to 180°
BESTSELLER NO. 9 in 2021

SAILFLO Bilge Pump Automatic with Float Switch 12v Pump for Boat 600 GPH 12 Volt DC All-in-one Marine Submersible Water Pump 4 Year Warranty Auto Yacht RV

SAILFLO Bilge Pump Automatic with Float Switch 12v Pump for Boat 600 GPH 12 Volt DC All-in-one Marine Submersible Water Pump 4 Year Warranty Auto Yacht RV
  • Technical Date : Volt : 12V , Flow: 600 gallons/hour, Amp Max : 2.5A. Outlet Dia. ⌀ 19 mm -3/4" , Dimension :145x103(5.71x4.05inch) , Watt-120W,Max Lift 230ft, max Submersion-100ft, Leads-3Ft. 16AWG, Max. recommended discharge head 3.5m.
  • All-in-one pump & switch - No float switch required,Pump turns on when water level rises & shuts off when water is removed
  • Typical Uses: Suitable for hydraulic systems fed with cold water-used in line to be fed by gravity or pressure, Ideal For Fishing Boats, Cruisers, Runabouts, Yachts, Etc.
  • Electrical Characteristics : Runs continuously,Submarine pond with Cabling 6" (1.8m) standard.Body pumps high strength nylon,Snap-mounting of the pump on the swivel base
  • Can be used with switch panel for manual override. Can not be used to pump oil - otherwise the pump will not work
BESTSELLER NO. 10 in 2021

attwood Corporation Bilge Pump Sahara S1100, One Size

attwood Corporation Bilge Pump Sahara S1100, One Size
  • Reliably provides bilge water pumping for larger recreational boats
  • Meets automatic switch pump requirements for any vessels 20 feet and over with sleeping accommodations
  • High capacity for larger boats and yachts
  • Compact and durable package includes pump, wire seals, strainer, and mercury-free switch in one unit
  • Installs quickly and easily in tight spaces, mounts horizontally only
  • 12-volt, 1.5-amp draw pump is rated for 1100 GPH performance at open flow (at voltage of 13.6 volts DC)
  • Comes with a 29-inch length of 16-gauge caulked and tinned copper wire, and uses a 1-1/8”-inch interior diameter hose

14 More Questions Answered

Can bilge pumps run dry?

Re: Running bilge pump with no water in bilge if it heat the seal up on the shaft, it might loosen up and let water into the motor. Its not a good idea to run dry , but in most cases may not be too bad . If the shaft is greased in there might not be a problem.

Why do boats need a bilge pump?

The primary job of most bilge pumps on most boats is to clear nuisance water from the bilges (packing gland drips, spray from an errant wave, etc.). ... Most people upgrade to a larger bilge pump or add a backup bilge pump to give them time to deal with an emergency.

Are Seaflo bilge pumps good?

Works great! This little pump moves a lot of water - even faster than the flow from a garden hose. ... The float switch needs to stop the pump before it draws air - to protect itself, so an inch or less of water is just fine.

How often should you run your bilge pump?

about every 20 to 30 minutes

What happens if bilge pump fails?

Then consider what happens if the bilge pump fails, it rains hard or the boat leaks a little. With most of the weight aft, all the water runs aft and it won't be long before water is coming in through the scuppers and flooding the deck.

How long can a bilge pump run continuously?

It is also going to depend on weather the pump is fully submerged because the motor is then water cooled. A not uncommon performance that I know from power tools is that they are often built to run for no more than 10min continuously on a 25% duty cycle.

How high can a bilge pump lift water?

According to Rule's technical documents, the pump will put out 1,620gph against a 1m (3ft 4in) head or 1,300gph against 2m (6ft 8in). In other words, you lose around 20 percent of your pump's output when it has to lift the bilge water more than 3ft and 30 percent at 6ft 8in.

Is water in the bilge normal?

This is perfectly normal. Agreed that a bilge pump cannot remove all the water, but: 1) There should be enough ventilation that unless new water is coming into the bilge the residual water will evaporate. If it isn't evaporating, that humidity is not good for equipment.

How do I replace the bilge pump on my boat?

What does a bilge pump do on a pontoon boat?

What does a bilge pump do? A bilge pump removes water from the bilge. The bilge pump's sole purpose is to keep water out of your boat and to remove it before it becomes a serious issue.

Can rain sink boats?

A heavy rainstorm has the potential to sink boats, but it doesn't have to be that way. The boats we use should be designed to float even when it rains. ... Bilge pump systems should be able to expel water from boats to keep them afloat when there is a hose failure or ... even when it rains.

Why does my bilge pump keep running?

If the pump runs, then the problem is most likely with the float switch. 2. Check the float switch for debris in the bilge preventing it from operating. If you find any, clear the dirt away, turn helm switch back to automatic, and lift float switch to check operation.

How do you test a bilge pump?

Why does water get in the bilge?

Water that does not drain off the side of the deck or through a thru hull, typically via a scupper, drains down into the ship into the bilge. This water may be from rough seas, rain, leaks in the hull or stuffing box, or other interior spillage. ... Bilge water can be found aboard almost every vessel.