Marine Plumbing & Ventilation

95 products

  • Sale -11% Attwood 800 GPH Shower Sump MK2 System  12V 51434

    Attwood Marine Attwood 800 GPH Shower Sump MK2 System - 12V [5143-4]

    17 in stock

    800 GPH Shower Sump MK2 System - 12VAttwood’s shower sump systems deliver the performance you’ve been asking for. Choose from standard or large box sizes. They offer fast water flow into and out of the sump. The lid snaps into place to allow quick installation (and removal for cleaning) and includes a gasket to seal the sump box against overflow. The sump box even includes an air vent to prevent airlocks. It meets or exceeds all applicable standards of the ABYC and USCG.Specifications: 800 GPH Amp Draw: 2.5 Rated Voltage: 12V Fuse Size: 5A Outlet Hose Size: 3/4" I.D. Wire/Connector: 22" wire

    17 in stock

    $180.97 $160.99

  • Sale -18% Attwood Replacement Cartridge fTsunami 500 MK2 56206

    Attwood Marine Attwood Replacement Cartridge f/Tsunami 500 MK2 [5620-6]

    12 in stock

    Replacement Cartridge for Tsunami 500 MK2Attwood replacement motor cartridge for T500 model Tsunami series bilge pumps. Sold per each.

    12 in stock

    $28.17 $22.99

  • Sale -10% Attwood 500 GPH Shower Sump MK2 System  12V 51414

    Attwood Marine Attwood 500 GPH Shower Sump MK2 System - 12V [5141-4]

    8 in stock

    500 GPH Shower Sump MK2 System - 12VAttwood’s shower sump systems deliver the performance you’ve been asking for. Choose from standard or large box sizes. They offer fast water flow into and out of the sump. The lid snaps into place to allow quick installation (and removal for cleaning) and includes a gasket to seal the sump box against overflow. The sump box even includes an air vent to prevent airlocks. It meets or exceeds all applicable standards of the ABYC and USCG.Specifications: Amp Draw: 1.4 500 GPH Rated Voltage: 12V Fuse Size: 3A Outlet Hose Size: 3/4" I.D. Wire/Connector: 22" wire

    8 in stock

    $165.06 $148.99

  • Sale -1%Last stock! TH Marine OXYGENATOR Livewell Oxygen Generator O2BK3DP

    T-H Marine Supplies T-H Marine OXYGENATOR Livewell Oxygen Generator [O2-BK3-DP]

    4 in stock

    OXYGENATOR™ Livewell Oxygen GeneratorPro Live Well Flush MountThe OXYGENATOR™ Pro Live Well Flush Mount is a livewell oxygen generator that will retrofit most boat live wells from 10 to 20 gallons and operates off the existing boat battery.The OXYGENATOR™ manufactures 100% pure oxygen by splitting the hydrogen molecule from the oxygen molecule in water. This creates a super saturated oxygen environment, even in the warmest water.Independent testing shows increasing oxygen in livewell improves fish survival by over 35%. Pro Live Well Flush Mount Details:Injects 100% pure oxygen into livewell or baitwell Increases fish survival over 35% Power requirement: 12V DC drawing less than 1amp No switch required - automatically activated when live well fills with water Easy installation instructions Silent running Emitter size 3.375 inches in diameter Rated capacity 10-20 gallons 3 year warranty Includes: Installation instructions.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: 12V Outlet Size: N/A Inlet Style: Straight Gallons Per Hour: N/A Box Dimensions: 2"H x 7"W x 11"L WT: 0.65 lbs UPC: 853183000042

    4 in stock

    $199.99 $197.99

  • Frabill 120V Adapter 1430

    Frabill Frabill 120V Adapter [1430]

    6 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: 0.39 lbs UPC: 082271314307

    6 in stock

    $24.99

  • Sale -11% Frabill AquaLife Aerator Dual Output 110V  Greater Than 100 Gallons 14212

    Frabill Frabill Aqua-Life Aerator Dual Output 110V - Greater Than 100 Gallons [14212]

    Aqua-Life® Aerator Dual Output 110V - Greater Than 100 GallonsAqua-Life® Products run so quietly you'll forget you are aerating your bait. You'll know you are by the healthy condition of your bait. Aqua-Life® products feature a whisper quiet motor that runs efficiently at a low volume. Aqua-Life® products also utilize a special micro-bubble oxygen diffuser that produces clouds of tiny bubbles. Smaller more numerous bubbles mix readily as they collide and dispense through the entire water column. In bait containers smaller bubbles are important as they are less prone to damage delicate baitfish. Each Aqua-Life® product includes the diffuser and a 30 inch non-kink air hose. (Hoses and stones also sold separately as an accessory.)Features: Dual pumps-aerates 1 or 2 livewells (Up to 100 gallons) Produces close to 100% saturation of dissolved oxygen Rubber marking feet UL approved 6' power cord Includes: 10ft of flexible air hose, 2 each 3" long air stones, t-connector, 2 anti-siphon valves Specifications: Volts: 110v Box Dimensions: 6"H x 10"W x 10"L WT: 2.15 lbs UPC: 082271214218

    $109.99 $97.99

  • Sale -28% Attwood Replacement Cartridge fTsunami 800 MK2 56226

    Attwood Marine Attwood Replacement Cartridge f/Tsunami 800 MK2 [5622-6]

    9 in stock

    Replacement Cartridge for Tsunami 800 MK2Attwood replacement motor cartridge for T800 model Tsunami Series pumps.

    9 in stock

    $45.80 $32.99

  • Sale -11%Last stock! Frabill Magnum Bucket  425 Gallons wAerator 14071

    Frabill Frabill Magnum Bucket - 4.25 Gallons w/Aerator [14071]

    4 in stock

    Magnum Bucket - 4.25 Gallons with AeratorSpecifically designed and tested to keep saltwater baitfish healthy and active, these pumps can convert any size cooler or livewell into an oxygen-rich aquarium.Features: Durable insulated liner is removable Accessory lid with molded slots holds bait net, aerator, etc. Includes 14331 aerator 4.25 gallon capacity 14.5" x 12.5" x 12.5" Specifications: Width: 15" Length (Inches): 15" Height: 14" Box Dimensions: 14"H x 15"W x 15"L WT: 3.4 lbs UPC: 082271414076

    4 in stock

    $89.99 $79.99

  • Frabill Premium Aeration Micro Diffuser 14291

    Frabill Frabill Premium Aeration Micro Diffuser [14291]

    Premium Aeration Micro DiffuserMineral deposits and hard water use can clog your Aqua-Life® diffuser and produce less than adequate aeration quality. Keep your Aqua-Life® aeration system running at peak efficiency by replacing hoses and oxygen diffusers on a regular basis.Features: Micro-bubble diffuser and hose assembly 7.5" x 5.5" x 1.5" Specifications: Width: 6" Length (Inches): 8" Height: 2" Box Dimensions: 2"H x 6"W x 8"L WT: 0.3 lbs UPC: 082271114297

  • Sale -11% Attwood Tsunami Mk2 T800 Aerator 12V 34 NPT Inlet 56534

    Attwood Marine Attwood Tsunami Mk2 T800 Aerator 12V 3/4" NPT Inlet [5653-4]

    6 in stock

    Tsunami Mk2 T800 Aerator 12V 3/4" NPT InletKeep bait and fish alive with the Tsunami Aerator Mk2. Attwood’s leading fish-friendly technology is making it easier to install and service while offering new installation options never provided by the Tsunami range.Features: 7/8 in. x 3/4 in. seacock Flexible installation with both 90 and straight inlets and outlets Full backward compatibility with previous Tsunami models Faster, smarter installation with no sealant or tools is required Specifications:Flow Gallon/Hour: 800 Specifications: Gallons Per Hour: 800 Volts: 12v Box Dimensions: 4"H x 5"W x 8"L WT: 1.15 lbs UPC: 022697025524

    6 in stock

    $59.52 $52.99

  • Sale -8% Attwood Tsunami MK2 Manual Bilge Pump  T500  500 GPH  12V 56067 Attwood Tsunami MK2 Manual Bilge Pump  T500  500 GPH  12V 56067

    Attwood Marine Attwood Tsunami MK2 Manual Bilge Pump - T500 - 500 GPH 12V [5606-7]

    6 in stock

    Tsunami MK2 Manual Bilge Pump - T500 - 500 GPH & 12VThe Tsunami Mk2 is the only manual bilge pump that eliminates airlocks. This is done by the Patented X-Air™ Impeller, which ejects trapped air in the pump and pipework. Also, the Tsunami Mk2 is the most reliable manual bilge pump in freshwater applications, considering it has 40% better protection against water ingress and electrolysis vs. the Mk1 pump.Easy Installation & Service  GPH (Gallons Per Hour): 500 90° rotatable elbow outlet allows users to install the pump anywhere in a full 360° orientation Backward compatible hole pattern and motor cartridges of Tsunami Mk1 bilge and aerator pumps External mounting feet and integrated outlet reduces time and effort Service pump cartridges from hard-to-reach areas using only one hand Specifications: Rated Volts DC: 12V Fuse Size: 3 Amp Wire Length: (inch) 29" / (mm) 735 Hose Diameter: (inch) 3/4" and 1" *Must be used with appropriate Tsunami outlet Specifications: Gallons Per Hour: 500 GPH Operation: Non-Automatic Outlet Size: 3/4" or 1" Type: Electric Volts: 12v Box Dimensions: 4"H x 6"W x 7"L WT: 0.8 lbs UPC: 022697023971 Quick Guide (pdf)

    6 in stock

    $36.99 $33.99

  • Sale -13% Attwood Tsunami Mk2 T800 Aerator  12V  Straight Inlet 56504

    Attwood Marine Attwood Tsunami Mk2 T800 Aerator - 12V - Straight Inlet [5650-4]

    11 in stock

    Tsunami Mk2 T800 Aerator - 12V - Straight InletKeep bait and fish alive with the Tsunami Aerator Mk2. Attwood’s leading fish-friendly technology is making it easier to install and service while offering new installation options never provided by the Tsunami range.Features: 3-1/2 in. x 3/4 in. thru-hull Flexible installation with both 90 and straight inlets and outlets Full backward compatibility with previous Tsunami models Faster, smarter installation with no sealant or tools is required Specifications:Flow Gallon/Hour: 800 Specifications: Gallons Per Hour: 800 Inlet Style: Straight Volts: 12v Box Dimensions: 4"H x 5"W x 8"L WT: 1.2 lbs UPC: 022697025500

    11 in stock

    $59.52 $51.99

  • Sale -3% Attwood Tsunami Mk2 T1200 Aerator  12V  1 NPT Inlet 56634

    Attwood Marine Attwood Tsunami Mk2 T1200 Aerator - 12V - 1" NPT Inlet [5663-4]

    12 in stock

    Tsunami Mk2 T1200 Aerator - 12V - 1" NPT InletKeep bait and fish alive with the Tsunami Aerator Mk2. Attwood’s leading fish-friendly technology is making it easier to install and service while offering new installation options never provided by the Tsunami range.Features: 7/8" x 1" seacock Flexible installation with both 90 and straight inlets and outlets Full backward compatibility with previous Tsunami models Faster, smarter installation with no sealant or tools is required Specifications:Flow Gallon/Hour: 1200 Specifications: Gallons Per Hour: 1200 Volts: 12v Box Dimensions: 4"H x 5"W x 8"L WT: 1.2 lbs UPC: 022697025555

    12 in stock

    $70.15 $67.99

  • Sale -12% Attwood Tsunami Mk2 T500 Aerator  12V  90Degree Inlet 56444

    Attwood Marine Attwood Tsunami Mk2 T500 Aerator - 12V - 90-Degree Inlet [5644-4]

    6 in stock

    Tsunami Mk2 T500 Aerator - 12V - 90-Degree InletKeep bait and fish alive with the Tsunami Aerator Mk2. Attwood’s leading fish-friendly technology is making it easier to install and service while offering new installation options never provided by the Tsunami range.Features: 3-1/2 in. x 3/4 in. thru-hull Flexible installation with both 90 and straight inlets and outlets Full backward compatibility with previous Tsunami models Faster, smarter installation with no sealant or tools is required Specifications:Flow Gallon/Hour: 500 Specifications: Gallons Per Hour: 500 Inlet Style: Angled Volts: 12v Box Dimensions: 4"H x 8"W x 9"L WT: 1.1 lbs UPC: 022697025432

    6 in stock

    $53.14 $46.99

  • 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]

    12 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)

    12 in stock

    $67.20 $58.99

  • Sale -8% Attwood Tsunami Mk2 T500 Aerator  12V  34 NPT Inlet 56434

    Attwood Marine Attwood Tsunami Mk2 T500 Aerator - 12V - 3/4" NPT Inlet [5643-4]

    7 in stock

    Tsunami Mk2 T500 Aerator - 12V - 3/4" NPT InletKeep bait and fish alive with the Tsunami Aerator Mk2. Attwood’s leading fish-friendly technology is making it easier to install and service while offering new installation options never provided by the Tsunami range.Features: 7/8 in. x 3/4 in. seacock Flexible installation with both 90 and straight inlets and outlets Full backward compatibility with previous Tsunami models Faster, smarter installation with no sealant or tools is required Specifications:Flow Gallon/Hour: 500 Specifications: Gallons Per Hour: 500 Volts: 12v Box Dimensions: 4"H x 5"W x 8"L WT: 0.8 lbs UPC: 022697025494

    7 in stock

    $48.89 $44.99

  • Sale -14% TH Marine Straight Barbed AllPurpose Drain  White APD2DP

    T-H Marine Supplies T-H Marine Straight Barbed All-Purpose Drain - White [APD-2-DP]

    11 in stock

    Straight Barbed All-Purpose Drain - White1-3/8" White Concaive Head Drain. These molded drains, available in straight and 90-degree versions, offer a low-cost method to drain water from virtually anywhere. They have a very low-profile concave head to allow complete drainage. Drains mount easily in a 1-3/8" diameter hole and are secured with the molded nut that is included. Hose barbs fit a 3/4" hose for routing of drainage.Specifications: Color: White Fits Hole Diameter: 1-3/8" Water Connection: 3/4" Hose

    11 in stock

    $6.99 $5.99

  • Sale -12% TH Marine Scupper Flapper Repair Kit FSRK3DP

    T-H Marine Supplies T-H Marine Scupper Flapper Repair Kit [FSRK-3-DP]

    15 in stock

    Scupper Flapper Repair KitThe flapper scupper repair kit should take care of any flapper replacement job.  The traditional flapper scuppers use molded rubber flappers that curl and deform over time, requiring replacement to prevent leaking.  Our flappers are not rubber, but are molded of a thermoplastic elastomer that is resistant to UV and the elements, so they do not curl like the rubber flappers.Repairs most scuppers with flappers, regardless of manufacturer.Kit Contains: All parts needed to repair 2 scuppers of a given size.  Each kit contains 2 each of: 1-5/8" flappers, 1-7/8" flappers, and all necessary keepers and fasteners.

    15 in stock

    $16.99 $14.99

  • 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]

    12 in stock

    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)

    12 in stock

    $117.99 $107.99

  • Sale -8% Frabill Aqua Life Aerator FRBAP15 Frabill Aqua Life Aerator FRBAP15

    Frabill Frabill Aqua Life Aerator [FRBAP15]

    10 in stock

    Aqua Life AeratorFeatures: Water-resistant booted switch Single-speed piston pump Metal universal hanging clip Includes hose and stone Operates on 4 AA batteries

    10 in stock

    $24.99 $22.99

  • 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]

    15 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)

    15 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]

    17 in stock

    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)

    17 in stock

    $78.93 $69.99

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

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

    20 in stock

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

    20 in stock

    $35.99 $31.99

  • Sale -11% Attwood Drain Plug And Receiver Kit  34 Diameter 172113

    Attwood Marine Attwood Drain Plug And Receiver Kit - 3/4" Diameter [17211-3]

    7 in stock

    Drain Plug And Receiver Kit - 3/4" DiameterThe Attwood Drain Plug and Receiver Kit ensures that a drain is closed properly. Features: Molded black plastic with threaded receiver Molded retaining strap Includes attaching screws and elastomeric gasket for a watertight fit Specifications:Diameter: (inch) 3/4"*Intended for use on small recreational boats and jet skis Specifications: Construction: Plastic Box Dimensions: 2"H x 3"W x 5"L WT: 0.2 lbs UPC: 022697004253 Quick Guide (pdf)

    7 in stock

    $8.99 $7.99


You have seen 24 out of 95 products

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