Best Boat Shower Pumps Sumps in 2026

1/4 HP Utility pump moves up to 1,800 gallons per hour; pump will lift water up to 25' of vertical height

Tough thermoplastic construction; 10' cord length

1-1/4 inch NPT discharge for high capacity pumping; includes 3/4 inch garden hose adapter

Pump with innovative engineering and compact design provides the most reliable aeration in contained spaces such as livewell

Powerful, reliable pump is rated for 800 gallons per hour (gph) output at design voltage 13.6 volts DC, or 750 gph at nominal voltage of 12 volts DC

Features the most advanced materials, including premium-quality bearings and state-of-the-art brushes, alloys, and magnets

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

Flow Rate: 1100 GPH; Voltage: 12 VDC

Flow: 1100 gallons per hour or 5000 L / hour, Head: 13 Ft (4mts), Outlet Dia. 1-1/8" (29mm)

Typical Uses: Suitable for hydraulic systems fed with cold water—used in line to be fed by gravity or pressure

Sleek and rugged with a strong, fully integrated impact resistant cover to protect against debris and jamming

14 gauge highly abrasive resistant marine grade wire

Built-in test feature

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)

(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

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.

Efficiently pumps gray waste, including handling shower waste such as hair and gel that can clog competitive pumps

Virtually non-choke valves, and there’s no filter to maintain and unblock

Double-outlet valve ensures continuous flow, and this 12V DC pump operates efficiently with a low power draw

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)

Made of durable material with Metal hose connectors for higher reliability than plastic threads

Light and Portable with Complete Impeller Replacement Kit

Voltage: 115V-60Hz ;Power: 1/10HP ;Max Flow Rate: 330GPH ;Max Delivery Height: 39FT

What you will get: the package contains 1 piece of 12 V boat bilge water pump and 1 piece of automatic boat bilge pump float switch, nice combination for you to drain the water easily

Basic parameters: the flow of the pump is 1100 gallons per hour, the flow rate is 1100 GPH, the voltage is 12 V DC, and the head is 13 ft (4mts); Outlet diameter: 1-1/8 inch/ 29 mm, cable length: 3.3 ft/ 1 m; The float switch's max amps 12 volts: 20 A; Max amps 24 volts: 10 A; Max Amps 32 volts: 8A; The wire length is 3.3 ft/ 1 m, the wire gauge size is 18 AWG

Electric bilge pump: the electric bilge pump is great for you to drain water efficiently, which has a good motor and help drain the water efficiently; It is a good forhydraulic systems fed with cold water and can be applied in line to be fed by gravity or pressure

Flow capacity: 750 Gallons per hour 12 Volts DC

Easy clean snap-lock strainer bases

Anti-Airlock protection Exclusive moisture tight seals Completely submersible

12 Volt

36" wire

Max. Pump Amp Draw: 10A

Low-profile, narrow automatic electric Bilge Pump can be installed deep in bilge in areas such as under engines or under cockpit floors

Features multi-position pump head and body, built-in non-return valve and stepped port, and integrated bleed ball that prevents airlocks

Performance is unaffected by wave motion, and it is engineered for optimal on/off timings to prevent unnecessary run-on

Flow Rate: 900 GPH

13 VDC Power

Designed for tight spaces; Dimensions: 2.4" height

【Diaphragm Pump】110V AC water diaphragm pump provides 4.0GPM flow capacity. Turns on and off using water pressure at 50PSI, 1.3 Max amps. AC power supply, no need to carry marine battery with you.

【Smart Pressure Switch】Turns on and off on demand. It’s quiet, shuts itself off when the faucets are closed and runs when the faucets are opened. It also can adjust according to your needs, adjustable pressure range is 45-70PSI.

【Reliable Performance】Self-Priming up to 9.8 vertical feet, lift up to 148 feet. Thermal overload protection is built into the water pump to make it safe to use. When the temperature is above 70℃/ 158℉, it will automatically disconnect the circuit to protect the motor.

OASIS MARINE 2 YEAR WARANTY

1 1/8 inch hose outlet---3.8 amp--12 volt

Rugged water tight impact resistant housing--stainless shaft--Blocked marine wiring

12V, 5.5 GPM, 60 PSI, 18.9A Max Draw Pump

Includes Pump, Accumulator Tank, Fittings, and Strainer

Run Dry Capable, Self-Priming, Reduces Cycling, Continuous Duty

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.

12V 1000GPH Multi-Port Grey Water System

For showers, dish-washing machines, galley sinks, etc. The shower sump turns on/off automatically using Ultima switch. The check valve on the outlet stops water from flowing back into the tank.

The shower sump turns on/off automatically using Ultima switch

Made in Mexico

Product Type :BINOCULAR

Package Dimension :14.909 cm x 25.704 cm x 35.509 cm

TOUGH, RUGGED, HIGH PRESSURE: The ProGear 5550 Power Blaster Water Pump was designed with a unique 5 chamber diaphragm and internal by-pass for longevity and performance. High Pressure when you need it where you needit. Our pump is built for high pressure on demand, low noise and no rapid cycling. No fear, this pump can run dry with no water, runs quiet, and thermally protected.

HIGH PRESSURE AND HIGH SPEED. Use for Power Spraying: Boats, Fish Boxes, Anchor Wells, Dinghies, RV's, Patios, Decks,

HEAVY DUTY: Our heavy duty, Professional Grade 12 Volt DC self-priming pump provides up to a 14 foot lift, quiet operation and is CSA Certified. We stand behind our products and the ProGear 5500 High Performance water pump is backed by a 2-year no hassle warranty.

Bilge / livewell / general purpose diaphragm pump

Flow rate: Nominal 16.3 Litres/min (4.3 USgallons/min), Self-priming from dry up to 2.4m (7.8ft)

Run dry without damage, smooth flowSmooth Flow

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

Flow Rate: 1500 GPH; Voltage: 12 VDC

Outet Dia: 1-1/8"; Max Draw: 8 A; Head: 16'

Perfect for any Marine, RV, Industrial, or Off-Grid Application

Series direct-drive

37202-2012 is bilge/shower drain pumps

Volts are 12V

Voltage: 12V DC, current Draw: 3A, flow rate: 750 GPH

Easy installation, Multiple inlet ports for versatile usuage

Removable mesh filter allows easy cleaning

Package Height Of The Item Is 4.5

Package Length Of The Item Is 12

Package Width Of The Item Is 4.5

【A Built‑In Switch】The pump has a built‑in switch, which can automatically control according to the water level, no external float switch is required. You can buy and use with confidence.

【Easy Cleaning】Transparent snap‑on cover with gasket seal and removable mesh filter for easy cleaning. Clear, easy snap-on cover for easy access and cleaning, with gasket seal. Tight fitting lid to mimimize splashing and odors.

【Easy To Operate】This shower sump pump systerm has multiple sizes of port connector, easy to operate. Package List: 1 x Shower Sump Pump & 1 x Shower Sump Pump Cover & 1 x Filter Mesh & 1 x Description.