Bilge Pumps

Small pumps for separate compartments in boats and other vessels can either be electrically powered or run off of 12v or 24 volt marine batteries. As a rule, every compartment that doesn't allow free flow of water from one to the other needs to have a bilge pump. Smaller boats under  16 feet in length should bilge pumps of at least 800 gallons per hour and more if possible. Boats between 20' and 40' can use bilge pumps or multiple units that should give evacuations of from 2500 GPH to 6000 GPH as the vessel size increases. Buy the largest capacity pumps that will fit your space and ensure hoses and discharges are sized properly.Anyone who does any long range cruising should have an emergency bilge pump.

Diaphragm pumps are re self-priming and act like a wet-vac to draw out bilge water. Water is pulled in through an intake valve, then pushed out through an output valve.

Centrifugal pumps are less expensive but are not self-priming .Advantages include low maintenance, good reliability, and the ability to pass intermediate solids without clogging. They can also run dry for extended periods without immediate damage. They are prone to loss of effectiveness the farther they have to push water vertically.


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Seaflo 12V DC 1.2 GPM 35 PSI 21-Series Diaphragm Water Pressure Pump for Caravan/RV/Boat/Marine

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Seaflo SFBS-30-01 Boat Bilge Pump Switch (12V, 24V, 32V)

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SeaSense 600 GPH Bilge Pump

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Seasense Bilge Pump Float Switch

Seasense Bilge Pump Float Switch

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Seasense Bilge Pump Plumbing Kit 1-1/8-Inch X 6-Feet Hose

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The SeaSense Bilge plumbing kit includes: plastic bilge hose..

Shoreline Marine Bilge Pump 600 GPH

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Shoreline Marine Bilge Pump Manual 24in

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High flow for emergency use and small size make it perfect f..

Shoreline Marine SL52268-X Bilge Pump 3 Way Switch (Black)

Shoreline Marine SL52268-X Bilge Pump 3 Way Switch (Black)

Varnish custom crafted net with laminated wood frame and nyl..

Shower Drain Sump System w/Bilge Pump for Boats, RVs (24VDC - 750 GPH)

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starts, and shuts off when the water is removed. Activated ..

SUPERSUB Smart 650 Automatic Bilge Pump 12V

SUPERSUB Smart 650 Automatic Bilge Pump 12V

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UNIFIED MARINE INC - 800GPH Auto Bilge Pump

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