Marine Plumbing & Ventilation

90 products

  • Sale -8% Attwood Sahara MK2 S800 Bilge Pump 800 GPH  12V  Automatic 55087

    Attwood Marine Attwood Sahara MK2 S800 Bilge Pump 800 GPH - 12V - Automatic [5508-7]

    Sahara MK2 S800 Bilge Pump 800 GPH - 12V - AutomaticEngineered for extended service life, these pumps feature a cool-running design and quality components, including permanent magnet motors, stainless steel shafts, and steel-reinforced seals.Features: Sahara Mk2 is the only automatic bilge pump that eliminates air-locks  Patented X-Air™ Impeller ejects trapped air in the pump and pipework. Sahara Mk2 is the easiest automatic bilge pump to install and service  External mounting feet and integrated outlet reduces time and effort. Universal mounting pattern makes replacement simple. Service pump cartridge from hard-to-reach areas using only one hand. Sahara Mk2 is the most reliable automatic bilge pump in freshwater and saltwater applications  Attwood’s SteadySwitch™ reduces cycling and extends the life of the pump. 40% better protection against water ingress and electrolysis - vs. MK1. 2X better protection against water ingress and electrolysis - than the leading competition. Universal mounting patterns make it backwards compatible with the most popular bilge pumps on the market. Specifications: Type: Electric Outlet Size: 3/4" or 1" Operation: Automatic Volts: 12v Gallons Per Hour: 800 GPH Box Dimensions: 4"H x 6"W x 7"L WT: 1.35 lbs UPC: 022697023469 Owner's Manual (pdf)Brochure (pdf)

    $117.99 $107.99

  • Sale -10% Attwood Sahara MK2 S1200 Bilge Pump 1200 GPH  24V  Automatic 55137

    Attwood Marine Attwood Sahara MK2 S1200 Bilge Pump 1200 GPH - 24V - Automatic [5513-7]

    13 in stock

    Sahara MK2 S1200 Bilge Pump 1200 GPH - 24V - AutomaticEngineered for extended service life, these pumps feature a cool-running design and quality components, including permanent magnet motors, stainless steel shafts, and steel-reinforced seals.Features: Sahara Mk2 is the only automatic bilge pump that eliminates air-locks  Patented X-Air™ Impeller ejects trapped air in the pump and pipework. Sahara Mk2 is the easiest automatic bilge pump to install and service  External mounting feet and integrated outlet reduces time and effort. Universal mounting pattern makes replacement simple. Service pump cartridge from hard-to-reach areas using only one hand. Sahara Mk2 is the most reliable automatic bilge pump in freshwater and saltwater applications  Attwood’s SteadySwitch™ reduces cycling and extends the life of the pump. 40% better protection against water ingress and electrolysis - vs. MK1. 2X better protection against water ingress and electrolysis - than the leading competition. Universal mounting patterns make it backwards compatible with the most popular bilge pumps on the market. Specifications: Volts: 24v Type: Electric Gallons Per Hour: 1200 GPH Operation: Automatic Outlet Size: 1" or 1-1/8" Box Dimensions: 4"H x 6"W x 7"L WT: 1.35 lbs UPC: 022697023490 Owner's Manual (pdf)Brochure (pdf)

    13 in stock

    $146.38 $131.99

  • Sale -10% TH Marine FlowMax Ball Scupper  Clear FMS10DP

    T-H Marine Supplies T-H Marine Flow-Max Ball Scupper - Clear [FMS-1-0-DP]

    Flow-Max™ Ball Scupper - ClearReplace your old worn-out flapper scupper with our new Flow-Max™ positive sealing ball scupper. A larger exit hole allows 70% more water drainage than its nearest competitor. Multiple mounting holes make retrofits quick and easy - no filling holes or re-drilling. A neutral buoyancy ball ensures the ball won't float up and break the seal. Meets all ABYC standards.The easy twist-off design makes cleaning debris a snap. Simply twist counterclockwise to remove the ball cavity, clean out and twist back on. Stainless steel security pin provided for added safety.Features: Replaces worn out flapper scuppers 70% more drainage than competitive models Twist off for easy cleaning Retrofits all hole patterns The seal is slotted to fit over 1-1/4" motor well tubes 3” Diameter x 2-1/2” H The Flow Max Scupper only comes with one screw. The screws that screw it to the boat do not come with it.  They will be different for every boat depending on the hull thickness but you will need a flat head screw.  Screw included is a #4 x 1/4" Phillips Pan Head Stainless Steel Screw.

    $19.99 $17.99

  • Sale -9% Attwood Sahara MK2 S1200 Bilge Pump 1200 GPH  12V  Automatic 55127

    Attwood Marine Attwood Sahara MK2 S1200 Bilge Pump 1200 GPH - 12V - Automatic [5512-7]

    17 in stock

    Sahara MK2 S1200 Bilge Pump 1200 GPH - 12V - AutomaticEngineered for extended service life, these pumps feature a cool-running design and quality components, including permanent magnet motors, stainless steel shafts, and steel-reinforced seals.Features: Sahara Mk2 is the only automatic bilge pump that eliminates air-locks  Patented X-Air™ Impeller ejects trapped air in the pump and pipework. Sahara Mk2 is the easiest automatic bilge pump to install and service  External mounting feet and integrated outlet reduces time and effort. Universal mounting pattern makes replacement simple. Service pump cartridge from hard-to-reach areas using only one hand. Sahara Mk2 is the most reliable automatic bilge pump in freshwater and saltwater applications  Attwood’s SteadySwitch™ reduces cycling and extends the life of the pump. 40% better protection against water ingress and electrolysis - vs. MK1. 2X better protection against water ingress and electrolysis - than the leading competition. Universal mounting patterns make it backwards compatible with the most popular bilge pumps on the market. Specifications: Gallons Per Hour: 1200 GPH Operation: Automatic Outlet Size: 1" or 1-1/8" Volts: 12v Type: Electric Box Dimensions: 4"H x 6"W x 7"L WT: 1.35 lbs UPC: 022697023483 Owner's Manual (pdf)Brochure (pdf)

    17 in stock

    $138.99 $125.99

  • Sale -11% Attwood Sahara MK2 S500 Bilge Pump 500 GPH  12V  Automatic 55057

    Attwood Marine Attwood Sahara MK2 S500 Bilge Pump 500 GPH - 12V - Automatic [5505-7]

    Sahara MK2 S500 Bilge Pump 500 GPH - 12V - AutomaticEngineered for extended service life, these pumps feature a cool-running design and quality components, including permanent magnet motors, stainless steel shafts, and steel-reinforced seals.Features: Sahara Mk2 is the only automatic bilge pump that eliminates air-locks  Patented X-Air™ Impeller ejects trapped air in the pump and pipework. Sahara Mk2 is the easiest automatic bilge pump to install and service  External mounting feet and integrated outlet reduces time and effort. Universal mounting pattern makes replacement simple. Service pump cartridge from hard-to-reach areas using only one hand. Sahara Mk2 is the most reliable automatic bilge pump in freshwater and saltwater applications  Attwood’s SteadySwitch™ reduces cycling and extends the life of the pump. 40% better protection against water ingress and electrolysis - vs. MK1. 2X better protection against water ingress and electrolysis - than the leading competition. Universal mounting patterns make it backwards compatible with the most popular bilge pumps on the market. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Type: Electric Outlet Size: 3/4" or 1" Operation: Automatic Volts: 12v Gallons Per Hour: 500 GPH Box Dimensions: 4"H x 6"W x 7"L WT: 1.25 lbs UPC: 022697023452 Owner's Manual (pdf)Brochure (pdf)

    $78.93 $69.99

  • Sale -14% TH Marine Double Barb Inline Scupper Check Valve  112  Black ILS1500DP

    T-H Marine Supplies T-H Marine Double Barb Inline Scupper Check Valve - 1-1/2" - Black [ILS-1500-DP]

    Double Barb Inline Scupper Check Valve - 1-1/2" - BlackA great solution to provide a scupper check valve in the drain line.  Allows use of standard thru-hull fittings in the cockpit and on the hull exterior. Features: Prevents Backwash Chemical Resistant Materials Thermo-Plastic Flapper Specifications: Construction: Polymer Box Dimensions: 4"H x 6"W x 9"L WT: 0.35 lbs UPC: 733572062502

    $27.99 $23.99

  • Sale -14% TH Marine Double Barb Inline Scupper Check Valve  34  Black ILS750DP

    T-H Marine Supplies T-H Marine Double Barb Inline Scupper Check Valve - 3/4" - Black [ILS-750-DP]

    20 in stock

    Double Barb Inline Scupper Check Valve - 3/4" - BlackA great solution to provide a scupper check valve in the drain line.  Allows use of standard thru-hull fittings in the cockpit and on the hull exterior. Features: Prevents Backwash Chemical Resistant Materials Thermo-Plastic Flapper Specifications: Construction: Polymer Box Dimensions: 4"H x 6"W x 9"L WT: 0.3 lbs UPC: 733572064957

    20 in stock

    $27.99 $23.99

  • Sale -11%Last stock! Attwood Replacement Shower Head Sprayer fAftDeck Shower 911421A5

    Attwood Marine Attwood Replacement Shower Head Sprayer f/Aft-Deck Shower [911421A5]

    4 in stock

    Replacement Shower Head Sprayer f/Aft-Deck ShowerReplacement shower head only

    4 in stock

    $35.99 $31.99

  • Last stock! Frabill 120V Adapter 1430

    Frabill Frabill 120V Adapter [1430]

    2 in stock

    120V AdapterPower your Aqua-Life® aerator at home for longer time periods with this 120V Adaptor.Features: For use 1435, 1437, 1409, 1469, 14351, 14371 & 14691 4" x 2.4" x 18" Specifications: Volts: 120v Width: 4" Length (Inches): 7" Height: 2" Box Dimensions: 2"H x 4"W x 7"L WT: 0.4 lbs UPC: 082271314307

    2 in stock

    $24.99

  • Attwood Plastic ThruHull Fitting  112  White 38753

    Attwood Marine Attwood Plastic Thru-Hull Fitting - 1-1/2" - White [3875-3]

    17 in stock

    Plastic Thru-Hull Fitting - 1-1/2" - WhiteThese thru-hulls are made with a durable, thermoplastic construction which prevents electrolysis.Caution: Thru-Hull connectors are designed for installation above the water line only.Specifications: Fits Hose Size: 1-1/2" I.D. Stem Length: 3-1/2" Max. Hull Thickness: 1-1/4" Flange Diameter: 3" Installation Hose Size: 1-7/8" to 2" Construction: Polypropylene WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Hose Size: 1-1/2" Material: Plastic Box Dimensions: 4"H x 6"W x 9"L WT: 0.2 lbs UPC: 022697387530

    17 in stock

    $10.99

  • Sale -8% Attwood Cockpit Drain  No Screen 3875C1

    Attwood Marine Attwood Cockpit Drain - No Screen [3875C1]

    Cockpit Drain - No ScreenFor use with 1-1/2" I.D. hose as part of a self-bailing cockpit system. Features short stem and narrow flange for installing through cockpits. Polypropylene construction.Specifications: Stem Length: 3-3/4" Max. Hull Thickness: 1-1/2" Flange Diameter: 2-1/8" Installation Hole Size: 1-7/8" WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

    $12.99 $11.99

  • Sale -13%Last stock! Attwood AftDeck Shower 41314

    Attwood Marine Attwood Aft-Deck Shower [4131-4]

    5 in stock

    Aft-Deck ShowerInstall flush in the transom or under the gunwale. Includes hinged cover and replaceable sprayer head. Fixtures are corrosion-resistant. Housing and cover are made of high-impact, UV resistant, engineering-grade plastic and are pre-drilled for six #8 fasteners. Comes with 6' hose, shut-off and hot/cold mixing controls. Connects to freshwater system for showeringWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Type: Misc Box Dimensions: 5"H x 5"W x 11"L WT: 1.91 lbs UPC: 022697413147 Quick Guide (pdf)

    5 in stock

    $219.52 $190.99

  • Sale -11% Attwood Turbo 4000 Series II WaterResistant InLine Blower  12V  White 17494 Attwood Turbo 4000 Series II WaterResistant InLine Blower  12V  White 17494

    Attwood Marine Attwood Turbo 4000 Series II Water-Resistant, In-Line Blower - 12V - White [1749-4]

    Turbo 4000 Series II In-Line BlowerPart #: 1749-4Attwood's improved Turbo 4000 Series II sets the standard for in-line blower performance. Utilizing advanced fan blade design techniques, Attwood has developed a blower system that matches air flow of existing in-line blowers at a significantly reduced noise level. The first vane axial-flow fan bilge blowers designed using aerospace technology to maximize performance. No other bilge blowers in the industry provide such powerful system output at such a low power input in a compact size.Patented in-line design - provides ventilation for engine compartments, galleys, bilges, and heads. Mounting feet allow vertical or horizontal installation in confined spaces. Install with #10 fasteners. Individual carton includes 2 tie straps. All are CE certified. 16-gauge tinned and caulked copper wire leads.Features: Nickel-plated motor can for corrosion resistance Stiffening ribs to reduce housing distortion Motor cap to seal wires and motor for water resistance Five-blade fan maximize airflow and efficiency Tabs in intake and exhaust hold ventilation hose/clamp firmly in place Low amp draw motor for longer blower and battery life Built-in mounting feet allow easy vertical or horizontal install 3-Year Warranty WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Ducting: 4" Open Flow (CFM): 200 CFM Volts: 12v Box Dimensions: 5"H x 5"W x 6"L WT: 1.1 lbs UPC: 022697174949 Quick Guide (pdf)Brochure (pdf)

    $43.69 $38.99

  • Sale -12% Attwood WaterBuster Portable Pump  200 GPH 41404 Attwood WaterBuster Portable Pump  200 GPH 41404

    Attwood Marine Attwood WaterBuster Portable Pump - 200 GPH [4140-4]

    7 in stock

    WaterBuster® Portable PumpPart #: 4140-4This patented, submersible pump is a great way to remove unwanted water from boats, pool covers, aquariums and sump pits. Convenient and safe, too, because it needs no electrical cord - runs up to 5 hours on three alkaline D batteries. Excellent for use as a portable pump-out device for paddle boats, inflatables, duck boats, dingies and kayaks. Any craft that lacks a hard-wire, permenent electrical system.Features: 6-3/8" high x 5-1/4" Pumps up to 200 gallons per hour Includes 42" hose with garden-hose adapter for adding longer hose Lifts water to height of 40 Note: Not to be used as a permanent bilge pump. Specifications: Gallons Per Hour: 200 GPH Type: Electric Box Dimensions: 6"H x 6"W x 7"L WT: 2.2 lbs UPC: 022697414045 Quick Guide (pdf)

    7 in stock

    $67.20 $58.99

  • Attwood 3Way AutoOffManual Bilge Pump Switch 7615A3

    Attwood Marine Attwood 3-Way Auto/Off/Manual Bilge Pump Switch [7615A3]

    9 in stock

    3-Way Auto/Off/Manual Bilge Pump SwitchPart #: 7615A3Panel-mounted rocker switches for use with pump that draws 10 amps or less.Features: 1/4" spade terminals 6-volt through 32-volt D.C. only 10 amps maximum Plate is 2-13/16" x 1-7/8" Hole size is 1-1/2" x 7/8" Caution: Bilge pump switches are not external ignition protected.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Volts: 12/24v Type: Switches Box Dimensions: 1"H x 3"W x 5"L WT: 0.1 lbs UPC: 022697761590 Quick Guide (pdf)

    9 in stock

    $24.99

  • Sale -6% Attwood Bilge Switch S3 Series  12V 48017

    Attwood Marine Attwood Bilge Switch S3 Series - 12V [4801-7]

    7 in stock

    Automatic Bilge Switch S3 SeriesPart #: 4801-7Incorporates a proprietary Electronic Sensing technology to detect bilge water levels and trigger pump activation and has been engineered to operate in any bilge water mixture consistently without failure. Your pump won't be exposed to continuous cycling as the S3 switch can easily distinguish splashing bilge water, chemicals, sludge build up or foam and comes equipped with fully sealed electronics that are completely protected from water or chemical damage. For added convenience, the bilge switch can be mounted on the floor of the bilge directly to a stringer wall or alongside the basket of the pump without added components or brackets. The S3 Series switch is also directly compatible with all competitive products and free of moving parts that can jam up, break or wear out over time.Features: 12V 15 Amp 36" Wire 5-Year Warranty Specifications: Volts: 12v Type: Switches Box Dimensions: 2"H x 3"W x 7"L WT: 0.4 lbs UPC: 022697048011 Quick Guide (pdf)Brochure (pdf)

    7 in stock

    $50.99 $47.99

  • Sale -12%Last stock! Attwood Automatic Float Switch  12V  24V 42027 Attwood Automatic Float Switch  12V  24V 42027

    Attwood Marine Attwood Automatic Float Switch - 12V & 24V [4202-7]

    5 in stock

    Float SwitchPart #: 4202-7Converts bilge pumps to fully automatic operation. Maximum amp draw is 12 amps (at 12-volt D.C.) or 6-amps (at 24-Volts D.C.). Features a compact, low profile design that mounts on any surface from a horizontal up to a 24x angle. Incorporates a reliable and affordable mechanical switch that actuates pump motor at 2" water level. Wire leads do not flex or hinge with the float as on some competitive models. Integral cover dampens bilge sloshing to reduce pump cycling, and prevents debris interference. Sealed switch mechanism resists moisture, fume-ignition, and electrical shock. Contains no mercury, which is listed as a health hazard and "Persistent Toxic Substance" in over 26 states.Float switch installs directly onto the rear slots of the V-Series pump bracket. Features a convenient test knob to test pump operation.Features: 36" Wire 12V & 24V CE Rated WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Volts: 12/24v Type: Switches Box Dimensions: 3"H x 6"W x 9"L WT: 0.4 lbs UPC: 022697420275 Quick Guide (pdf)

    5 in stock

    $37.50 $32.99

  • Sale -21% Attwood Automatic Float Switch wCover   12V  24V 42017

    Attwood Marine Attwood Automatic Float Switch w/Cover - 12V & 24V [4201-7]

    12 in stock

    Float Switch w/CoverPart #: 4201-7Converts bilge pumps to fully automatic operation. Maximum amp draw is 12 amps (at 12-volt D.C.) or 6-amps (at 24-Volts D.C.). Features a compact, low profile design that mounts on any surface from a horizontal up to a 24" angle. Incorporates a reliable and affordable mechanical switch that actuates pump motor at 2" water level. Wire leads do not flex or hinge with the float as on some competitive models. Integral cover dampens bilge sloshing to reduce pump cycling, and prevents debris interference. Sealed switch mechanism resists moisture, fume-ignition, and electrical shock. Contains no mercury, which is listed as a health hazard and "Persistent Toxic Substance" in over 26 states.Float switch installs independently or directly onto the rear slots of the V-Series pump bracket. Features a convenient test knob to test pump operation.Features: 36" Wire 12V and 24V CE Rated Includes Cover WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Volts: 12/24v Type: Switches Box Dimensions: 2"H x 6"W x 9"L WT: 0.5 lbs UPC: 022697420176 Quick Guide (pdf)

    12 in stock

    $44.02 $34.99

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