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Marine Plumbing & Ventilation

Marine Plumbing & Ventilation systems are essential for keeping your vessel comfortable, efficient, and operating at its best in every marine environment. Designed to withstand moisture, vibration, and harsh saltwater conditions, today's plumbing and ventilation solutions deliver dependable performance and long-lasting reliability you can count on. From bilge pumps, freshwater pumps, hoses, fittings, and marine sanitation systems to blowers, vents, and ventilation accessories, the right equipment helps maintain proper water flow, improve air circulation, and protect critical onboard systems. Whether you're replacing worn components or upgrading your boat with modern plumbing and ventilation equipment, premium marine products provide the performance trusted by boaters and marine professionals alike. Explore our selection of marine plumbing and ventilation solutions and let our experts help you find the right products to keep your vessel running smoothly on every adventure.

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  • Scandvik Black SS Recessed Transom Shower Handle/Hose - Vertical/Horizontal Mount - 6 Hose [12124P]Scandvik Black SS Recessed Transom Shower Handle/Hose - Vertical/Horizontal Mount - 6 Hose [12124P]
    Scandvik

    Scandvik Black SS Recessed Transom Shower Handle/Hose - Vertical/Horizontal Mount - 6 Hose [12124P]

    $207.00
    $340.20
    $207.00
    Black & Stainless Steel Recessed Transom Shower Handle/Hose - Vertical/Horizontal Mount - 6' HoseThis recessed shower cap with composite cup mounts vertically or horizontally. Ideal as a deck or transom shower.Features: Push-Button sprayer ABS handle with an attached lanyard for easy pull-out Mounting hardware...
    $207.00
    $340.20
    $207.00
  • Rule Rule-Mate 2000 GPH Fully Automated Bilge Pump - 24V [RM2000A-24]
    Rule

    Rule Rule-Mate 2000 GPH Fully Automated Bilge Pump - 24V [RM2000A-24]

    $425.60
    $597.87
    $425.60
    Rule-Mate 2000 GPH 24 Volt Fully Automated Bilge PumpThe Rule-Mate® 2000 GPH pump consists of a powerful Rule® bilge pump and a highly intelligent circuit board in a single housing. The pump activated when the water reaches 2-1/2" and automatically shuts off when the...
    $425.60
    $597.87
    $425.60
  • Raritan Straight Discharge Adapter - 90 To Straight [1222B]
    Raritan

    Raritan Straight Discharge Adapter - 90 To Straight [1222B]

    $27.49
    $37.64
    $27.49
    Straight Discharge AdapterRaritan's Straight Discharge Adapter is for 90° to Straight.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: Parts...
    $27.49
    $37.64
    $27.49
  • GROCO 1-1/2" NPT Bronze 3-Way Valve [TWV-1500]
    GROCO

    GROCO 1-1/2" NPT Bronze 3-Way Valve [TWV-1500]

    $308.34
    $480.63
    $308.34
    1-1/2" NPT Bronze 3-Way Valve Features: 3-way valve operates logically - The handle points to the direction of flow Center position is "off" Handle rotates a full 180°. Mount foot included. Full flow.   Stainless steel handle and hardware.  PTFE seats and seals.  TWV-1500 size...
    $308.34
    $480.63
    $308.34
  • Whale IC Retail Kit 24V Gulper IC Pump & Strainer IC [SI8484]
    Whale Marine

    Whale IC Retail Kit 24V Gulper IC Pump & Strainer IC [SI8484]

    $537.07
    $783.68
    $537.07
    IC Retail Kit 24V Gulper IC Pump & Strainer ICAt the heart of every Whale IC product lies innovative electronic control circuitry.This enables IC sensor accessories to communicate directly with IC pumps to control their performance.Features & Benefits: Save time and money by reducing...
    $537.07
    $783.68
    $537.07
  • GROCO Drain Plug w/O-Ring f/ARG Strainer 2009 Newer [ARG-756]
    GROCO

    GROCO Drain Plug w/O-Ring f/ARG Strainer 2009 Newer [ARG-756]

    $10.12
    $13.01
    $10.12
    Drain Plug for ARG Strainer 2009 & Newer - No O-RingDrain plug W/O O-ring for ARG Strainer. For Strainers older than 2008 use ARG-506.
    $10.12
    $13.01
    $10.12
  • GROCO 3/4" Fresh Water Strainer w/Plastic Basket [WSB-750-P]
    GROCO

    GROCO 3/4" Fresh Water Strainer w/Plastic Basket [WSB-750-P]

    $63.68
    $95.55
    $63.68
    3/4" Fresh Water Strainer with Plastic Basket Features: Protect fresh water pumps from debris.   White nylon strainer head and clear plastic sight glass.  Glass unscrews for filter basket cleaning.  Mount bracket included. Use WSB-P for salt-water or continuous duty AC or genset.  Specifications: Material:...
    $63.68
    $95.55
    $63.68
  • GROCO 1-1/4" Safety Seacock w/1" Side Port [SBV-1250-P]
    GROCO

    GROCO 1-1/4" Safety Seacock w/1" Side Port [SBV-1250-P]

    $754.22
    $1,341.99
    $754.22
    1-1/4" Safety Seacock w/1" Side Port Features: Two driver ports permit handle relocation. NPT threaded side port accepts SSCV or any NPT threaded accessory. Handle has square hole that accepts standard ratchet; helps access hard-to-reach valves, or ease actuation of hard-to-operate valves. Full flow. Serviceable...
    $754.22
    $1,341.99
    $754.22
  • Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - White Epoxy - 120V - 1500W [F1100W]
    Whale Marine

    Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - White Epoxy - 120V - 1500W [F1100W]

    $1,129.17
    $1,273.94
    $1,129.17
    Seaward 11 Gallon Hot Water Heater with Front Heat Exchanger - White Epoxy - 120V - 1500WWhale Electric Water Heaters includes models with the very latest technology. All heaters are manufactured from only highest quality materials and designed to specifically withstand harsh marine conditions.The...
    $1,129.17
    $1,273.94
    $1,129.17
  • Whale Elegance Replacement Shower MK2 Handset [AS5133]
    Whale Marine

    Whale Elegance Replacement Shower MK2 Handset [AS5133]

    $95.53
    $132.29
    $95.53
    Elegance Replacement Shower MK2 HandsetFeatures: Applications: White Mk2 models RT1500, RT2500, RT1470, RT2498  This handset will only fit units manufactured after 1996 that have a metal threaded connector at the end of the hose. Specifications: Robust ABS construction Design for use with all types...
    $95.53
    $132.29
    $95.53
  • Rule SuperSwitch Float Switch [37FA]
    Rule

    Rule SuperSwitch Float Switch [37FA]

    $99.88
    $134.62
    $99.88
    SuperSwitch™ Float Switchw/ Fuse HolderNow backed by a 5 year warranty, the non-mercury SuperSwitch is designed for the toughest applications. Design includes marine grade 14 gauge blocked wire, larger float for increased buoyancy, removable base for easy servicing and a snap switch design capable...
    $99.88
    $134.62
    $99.88
  • Jabsco 4" Continuous Duty Flangemount Blower - 115V, 250 CFM [36760-0115]
    Jabsco

    Jabsco 4" Continuous Duty Flangemount Blower - 115V, 250 CFM [36760-0115]

    $557.34
    $781.73
    $557.34
    4" Continuous Duty Flangemount Blower - 115V, 250 CFMThe Jabsco continuous duty 4-inch flange-mount blower, with a 115 Volt Motor. This is rated for 250 CFM. The Jabsco AC blowers are ideal for ventilating equipment areas. They may also be used for engine room...
    $557.34
    $781.73
    $557.34
  • Jabsco Deluxe Flush Pump Assembly - 24V [58103-1024]
    Jabsco

    Jabsco Deluxe Flush Pump Assembly - 24V [58103-1024]

    $1,094.43
    $1,541.76
    $1,094.43
    Deluxe Flush Pump Assembly - 24VThe Jabsco 58103-1024 is a Deluxe Flush Pump Assembly, 24 V DC, for a Jabsco Pump.Specifications: Packaged Dimensions: L:30.00 x H:20.00 x W:20.00 cm Actual Weight: 4.22 kg  (Approx. 4.72 kg packed)
    $1,094.43
    $1,541.76
    $1,094.43
  • Rule 4000 Non-Automatic Bilge Pump - 12V [56D]
    Rule

    Rule 4000 Non-Automatic Bilge Pump - 12V [56D]

    $382.17
    $535.62
    $382.17
    Rule 4000Non-Automatic 12vDesigned for the toughest applications, the 4000 gph (15140 lph) pump optimizes Rule's exclusive design features to produce the highest capacity available for a pump its size. 2" (51mm) discharge outlet. 12 Volts DC unless noted.Voltage: 12 Vdc Amp Draw: 15.5 amp...
    $382.17
    $535.62
    $382.17
  • BILGE-B-DRY Dual Pump - 24VDC [BBD-2025-242]BILGE-B-DRY Dual Pump - 24VDC [BBD-2025-242]
    BILGE-B-DRY

    BILGE-B-DRY Dual Pump - 24VDC [BBD-2025-242]

    $592.10
    $606.58
    $592.10
    Dual Pump - 24VDCBILGE-B-DRY is the world’s only Smart Device enabled Dry Bilge System on the market!Enjoy simple installation and customized scheduling control at your fingertips with our Mobile App for Apple or Android devices. Due to size and placement, traditional bilge pumps cannot...
    $592.10
    $606.58
    $592.10
  • Trident Marine 5/8" ID x 25' Wash Down/Campoer Hose w/Fittings [168-0585]
    Trident Marine

    Trident Marine 5/8" ID x 25' Wash Down/Campoer Hose w/Fittings [168-0585]

    $30.39
    $46.83
    $30.39
    5/8" ID x 25' Wash Down/Campoer Hose with FittingsThe Trident Wash Down Hose is constructed with a white FDA-grade PVC tube and cover. With heavy-duty 3-ply reinforcement, it ensures maximum kink resistance and long life. Trident Wash Down Hose offers long-lasting flexibility and superior...
    $30.39
    $46.83
    $30.39
  • Trident Marine 5/8" ID x 50' Wash Down/Camper Hose w/Fittings [168-0586]
    Trident Marine

    Trident Marine 5/8" ID x 50' Wash Down/Camper Hose w/Fittings [168-0586]

    $70.92
    $110.14
    $70.92
    5/8" ID x 50' Wash Down/Camper Hose with FittingsThe Trident Wash Down Hose is constructed with a white FDA-grade PVC tube and cover. With heavy-duty 3-ply reinforcement, it ensures maximum kink resistance and long life. Trident Wash Down Hose offers long-lasting flexibility and superior...
    $70.92
    $110.14
    $70.92
  • Trident Marine 5/8" ID x 75' Wash Down/Camper Hose w/Fittings [168-0580-75]
    Trident Marine

    Trident Marine 5/8" ID x 75' Wash Down/Camper Hose w/Fittings [168-0580-75]

    $72.37
    $111.46
    $72.37
    5/8" ID x 75' Wash Down/Camper Hose with FittingsThe Trident Wash Down Hose is constructed with a white FDA-grade PVC tube and cover. With heavy-duty 3-ply reinforcement, it ensures maximum kink resistance and long life. Trident Wash Down Hose offers long-lasting flexibility and superior...
    $72.37
    $111.46
    $72.37
  • Beckson Siphon-Mate Pump f/Diesel, Oil, Water [109PC]
    Beckson Marine

    Beckson Siphon-Mate Pump f/Diesel, Oil, Water [109PC]

    $68.03
    $100.61
    $68.03
    Siphon-Mate Siphon PumpSpecialty Transfer PumpSafety experts caution against the unsafe practice of siphoning petroleum by mouth, warning specially, that it can result in loss of life. Beckson's answer is the patented Siphon-Mate pump; a combination displacement lift pump and siphon pump with valves suitable...
    $68.03
    $100.61
    $68.03
  • Trident Marine 1-1/4" x 50 Coil Flex Marine Wet Exhaust Water Hose - Black [100-1146]
    Trident Marine

    Trident Marine 1-1/4" x 50 Coil Flex Marine Wet Exhaust Water Hose - Black [100-1146]

    $594.98
    $964.04
    $594.98
    1-1/4" x 50' Coil Flex Marine Wet Exhaust & Water Hose - BlackTrident Flex wet exhaust hose for longer bent connections. In smaller I.D.'s for engine intake, critical water, drain, scupper bilge & sanitation uses. Resists heat, ozone, exhaust, panting, and collapse. Black High...
    $594.98
    $964.04
    $594.98