Best Automatic Bilge Pumps In February 2025

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Looking for the Best Automatic Bilge Pumps? Hey, we have got something for you here!.

To help you in your search, we have completed this list of the Best Automatic Bilge Pumps.

Top Rated Best Automatic Bilge Pumps Of 2025

Rank	Product Name	Score
1	attwood 4505-7 Sahara S500 Automatic Bilge Pump, 12-Volt, 1.5-Amp Draw, ¾-Inch Interior Diameter Buy Now	9.7 Buy Now
2	Rule 500 GPH 25SA Electronic Sensing Bilge Pump-500 Buy Now	9.5 Buy Now
3	AURELIO TECH Automatic Boat Bilge Pump Float Switch 12V 24V 32V Ignition Protected Buy Now	9.1 Buy Now
4	attwood 4507-7 Sahara Bilge Pump - 750 GPH Buy Now	8.8 Buy Now
5	Rule 02 Marine Bilge Pump, 1500 GPH, Non-Automatic, 12 Volt,Red/White/Blue Buy Now	8.6 Buy Now
6	attwood Corporation Bilge Pump Sahara S1100, One Size Buy Now	8.3 Buy Now
7	Rule-Mate RM1100A Automated Bilge Pump, No Float Switch Required, 1100 GPH, 12 Volt Buy Now	8.1 Buy Now

1. attwood 4505-7 Sahara S500 Automatic Bilge Pump, 12-Volt, 1.5-Amp Draw, ¾-Inch Interior Diameter

• Also convenient and useful for boats of any size
• Meets automatic switch pump requirements for any vessels 20 feet and over with sleeping accommodations
• 12-volt, 1.5-amp draw pump is rated for 500 gph performance at open flow (at voltage of 13.6 volts dc)
• Installs quickly and easily in tight spaces, mounts horizontally only
• Reliably provides bilge water pumping for boats of any size
• Compact and durable package includes pump, wire seals, strainer, and mercury-free switch in one unit

2. Rule 500 GPH 25SA Electronic Sensing Bilge Pump-500

• Completely automatic with manual override, no float switch needed
• Includes backflow preventer
• Submersible and ignition protected
• Stainless-steel shaft
• High efficiency, low amp motor

3. AURELIO TECH Automatic Boat Bilge Pump Float Switch 12V 24V 32V Ignition Protected

• Product dimensions: 5" x 1.9" x 2" approx., ignition protected, mercury free, solid abs material for high strength and durability
• Wire length: 39" (1m), wire gauge size: 18awg
• Long life bilge pump float switch, switching frequency up to 10 million times, ultrasonic welding, forming a seal, reliable and secure, not leaking
• Max amps 12volts: 20a / max amps 24volts: 10a / max amps 32volts: 8a
• Heavy duty flow switch is designed for the toughest applications

4. attwood 4507-7 Sahara Bilge Pump - 750 GPH

• Permanent-magnet motor, stainless steel shaft, and steel-reinforced seal ensure powerful, durable performance
• All materials and components are state-of-the-art
• Our most powerful 3/4 inch-outlet automatic pump 750 gph at open flow, 625 gph at 3.3 feet head, 3/4 inch hose outlet
• S750 is sized for larger recreational boats
• Sahara bilge pumps include 36 inch lengths of 16-gauge tinned copper wire
• Wire is caulked to prevent water from wicking through insulation jacket

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

• 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
• A genuine rule product, don't settle for anything less
• Compact, efficient, long-life motors, able to run dry for short periods

6. attwood Corporation Bilge Pump Sahara S1100, One Size

• 12-volt, 1.5-amp draw pump is rated for 1100 gph performance at open flow (at voltage of 13.6 volts dc)
• High capacity for larger boats and yachts
• Meets automatic switch pump requirements for any vessels 20 feet and over with sleeping accommodations
• 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
• Reliably provides bilge water pumping for larger recreational boats

7. Rule-Mate RM1100A Automated Bilge Pump, No Float Switch Required, 1100 GPH, 12 Volt

• 3 year warranty
• All-in-one bilge pump and switch - no float switch required
• Eco sensitive - will not pump oil, only water from bilge
• Pump turns on when water rises and shuts off when water is removed
• Snap-off strainer for easy installation and cleaning