Best Automatic Bilge Pump for Small Boats (2026)

The listing states an 1100 GPH flow rate, 12V operation, 3.0A current with a 6.0A maximum draw, a 5-blade impeller, a built-in float switch, a snap-off strainer base, 18 AWG leads 1m long and a 1-1/8 inch outlet. It states CE and RoHS certification and a 4 year warranty, and the spec table gives 5.9 by 3.27 by 4.05 inches.

Who it's for: small boat owners who want the longest warranty term in this group and a pump with its switch built in. Who should skip it: owners who need a hose and fittings in the box, since this listing states none.

Its Solar Score of 9.7/10 comes from performance 32/35, build 22/25, value 21/25, safety 7/10 and warranty 3/5: 85 of 100 points, placed on our 9.2 to 9.8 scale.

Figures as published on the retailer listing, collected 10 November 2026. Performance figures are manufacturer rated.

What this listing states. CE and RoHS certification stated, so safety scores 7 of 10. 4 year warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 3 of 5. See How We Pick.

Fans and pumps. Keep fingers and cords away from moving blades and intakes, run pumps only submerged as the maker directs, and treat airflow and flow rates as the maker's figures.

This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

The listing states an 1100 GPH flow rate, 12V operation, a built-in reed sensor system for fully automatic operation, IP68 for the housing, and a kit with the pump, a 6 foot hose of 1-1/8 inch diameter, 2 clamps, a thru-hull connector and an instruction sheet. The spec table gives 12.6 by 10.24 by 3.15 inches, which reads like the boxed kit rather than the pump alone, so trust the title and bullets. No warranty term and no current draw figure are stated.

Who it's for: owners who want a complete kit with hose and fittings and a stated IP68 figure. Who should skip it: buyers who want a stated warranty term or current draw before they order.

Its Solar Score of 9.6/10 comes from performance 30/35, build 21/25, value 22/25, safety 5/10 and warranty 0/5: 78 of 100 points, placed on our 9.2 to 9.8 scale.

Figures as published on the retailer listing, collected 10 November 2026. Performance figures are manufacturer rated.

What this listing states. IP68 stated, so safety scores 5 of 10. No warranty term, so warranty scores zero. See How We Pick.

Fans and pumps. Keep fingers and cords away from moving blades and intakes, run pumps only submerged as the maker directs, and treat airflow and flow rates as the maker's figures.

This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

The listing states a 2000 GPH flow rate, 12V operation, a built-in float switch, stainless steel shafts, thermoplastic bodies, ignition protection and no burn out if run dry. The spec table gives 18.5 by 16.14 by 9.45 inches, which reads like a boxed size, so trust the title and bullets. No warranty term, no outlet diameter and no current draw figure are stated.

Who it's for: owners of a larger small boat who want the highest flow rate in this group and stated ignition protection. Who should skip it: buyers who need a stated outlet size or warranty term.

Its Solar Score of 9.6/10 comes from performance 32/35, build 20/25, value 20/25, safety 4/10 and warranty 0/5: 76 of 100 points, placed on our 9.2 to 9.8 scale.

Figures as published on the retailer listing, collected 10 November 2026. Performance figures are manufacturer rated.

What this listing states. Ignition protected to all existing safety standards stated, so safety scores 4 of 10. No warranty term, so warranty scores zero. See How We Pick.

Fans and pumps. Keep fingers and cords away from moving blades and intakes, run pumps only submerged as the maker directs, and treat airflow and flow rates as the maker's figures.

This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

The listing states a 500 GPH flow rate, 12V operation, a patented X-Air impeller that clears trapped air, a 360 degree rotatable outlet, elbow and straight outlets with 3/4 inch and 1 inch barbs, one-hand cartridge release and SteadySwitch buoyancy control. The spec table gives 8.2 by 3.5 by 4.1 inches, 0.86 pounds and a 1 year warranty, and the title calls it a direct replacement for the 4505-7. No current draw figure and no certification are stated.

Who it's for: owners replacing an Attwood 4505-7 who want the elbow and straight fittings in the box. Who should skip it: owners who need more than 500 GPH or a longer warranty than 1 year.

Its Solar Score of 9.5/10 comes from performance 28/35, build 21/25, value 20/25, safety 0/10 and warranty 1/5: 70 of 100 points, placed on our 9.2 to 9.8 scale.

Figures as published on the retailer listing, collected 10 November 2026. Performance figures are manufacturer rated.

What this listing states. No weather rating or protection feature is stated, so safety scores zero. 1 year warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 1 of 5. See How We Pick.

Fans and pumps. Keep fingers and cords away from moving blades and intakes, run pumps only submerged as the maker directs, and treat airflow and flow rates as the maker's figures.

This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.

The listing states an 1100 GPH flow rate, 12V operation, 3.8A current, a 3.0M head, a 1m wire lead and an outlet diameter of 29mm, given as 1.14 inch and 1-1/8 inch, with a width of about 81mm. It states a built-in reed sensor system for fully automatic operation and no power use until the internal float switch activates the pump. The spec table gives 5.71 by 2.95 by 3.94 inches. The listing adds a tip to choose a 12V 8A power adapter. No warranty term and no certification are stated.

Who it's for: owners who want an 1100 GPH automatic pump with a stated head figure and a reed sensor switch. Who should skip it: buyers who want a stated warranty term or certification.

Its Solar Score of 9.5/10 comes from performance 29/35, build 20/25, value 21/25, safety 0/10 and warranty 0/5: 70 of 100 points, placed on our 9.2 to 9.8 scale.

Figures as published on the retailer listing, collected 10 November 2026. Performance figures are manufacturer rated.

What this listing states. No weather rating or protection feature is stated, so safety scores zero. No warranty term, so warranty scores zero. See How We Pick.

Fans and pumps. Keep fingers and cords away from moving blades and intakes, run pumps only submerged as the maker directs, and treat airflow and flow rates as the maker's figures.

This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.