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Marine Plumbing & Ventilation - Fittings

Quality fittings for secure connections in your boat’s plumbing and ventilation systems.

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  • Forespar Marelon Full-Flow Seacock 1/2" Mushroom Through-Hull [904042ABYC]
    Forespar Performance Products
    Forespar Marelon Full-Flow Seacock 1/2" Mushroom Through-Hull [904042ABYC]
    Marelon Full-Flow Seacock & 1/2" Mushroom Through-HullThis integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom head thru-hull with super strong “buttress” type threading. This new package is designed to eliminate valve and thru-hull thread style mismatches and associated cross-threading...
    $86.99
    $112.45
    $86.99
  • Forespar Marelon Full-Flow Seacock 2" Mushroom Through-Hull [904048ABYC]
    Forespar Performance Products
    Forespar Marelon Full-Flow Seacock 2" Mushroom Through-Hull [904048ABYC]
    Marelon Full-Flow Seacock & 2" Mushroom Through-HullThis integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom head thru-hull with super strong “buttress” type threading. This new package is designed to eliminate valve and thru-hull thread style mismatches and associated cross-threading...
    $184.99
    $248.95
    $184.99
  • Dometic MSD Fitting f/Small Tank 970 Series [385320006]
    Dometic
    Dometic MSD Fitting f/Small Tank 970 Series [385320006]
    MSD Fitting f/Small Tank 970 Series ToiletsReplaces MSD fittings for Series 974 MSD models.  Converts Series 972 and 974 - 2.6 gallon models to MSD toilets.*Sold as an Individual WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the...
    $28.99
    $28.99
  • Attwood Scupper Valve [3876-3]Attwood Scupper Valve [3876-3]
    Attwood Marine
    Attwood Scupper Valve [3876-3]
    Scupper ValveProvides a water exit for boats with self-bailing cockpits. Acetal construction. Accommodates 3875B thru-transom thru-hull connector (screw holes must be drilled for installation.) Diameter: 2-7/8" Use as a replacement valve for 3881 Thru-Transom Scupper rCaution: Thru-Hull connectors are designed for installation above the...
    $11.99
    $12.99
    $11.99
  • 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:...
    $11.99
    $11.99
  • Dometic MSD Fitting f/Large Tank 970 Series Toilets [385320007]
    Dometic
    Dometic MSD Fitting f/Large Tank 970 Series Toilets [385320007]
    MSD Fitting f/Large Tank 970 Series ToiletsReplaces MSD fittings for Series 975 MSD models.  Converts Series 975 and 976 - 5 gallon models to MSD toilets.*Sold as an Individual WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the...
    $28.99
    $28.99
  • Shurflo by Pentair Pressure Reducing City Water Entry - Wall Mount - Gel White [183-029-18]
    Shurflo by Pentair
    Shurflo by Pentair Pressure Reducing City Water Entry - Wall Mount - Gel White [183-029-18]
    Pressure Reducing City Water Entry - Wall Mount - Gel WhiteThis combination pressure reducing city water entry and check valve diaphragm design prevents high-pressure damage often caused by city water systems. This high performance water entry limits water pressure safely to 50 PSI while...
    $49.99
    $66.78
    $49.99
  • Perko Gas Tank Vent w/Swivel Elbow - Chrome/Black [0561DP4CHR]
    Perko
    Perko Gas Tank Vent w/Swivel Elbow - Chrome/Black [0561DP4CHR]
    Gas Tank Vent w/Swivel Elbow - Chrome/BlackFeatures: Chrome Plated Zinc Alloy Cap with Zinc Alloy Elbow Black or White Polymer Splash Guards Removable 30 Mesh Stainless Steel Wire Screen Flame Arrestor - for use with fuel applications Design Allows Elbow to be Rotated to...
    $21.99
    $27.64
    $21.99
  • Shurflo by Pentair Pressure Reducing City Water Entry - In-Line - Cream [183-039-08]
    Shurflo by Pentair
    Shurflo by Pentair Pressure Reducing City Water Entry - In-Line - Cream [183-039-08]
    Pressure Reducing City Water Entry - In-Line - CreamThis combination pressure reducing city water entry and check valve diaphragm design prevents high-pressure damage often caused by city water systems. This high performance water entry limits water pressure safely to 50 PSI while meeting or...
    $50.99
    $68.03
    $50.99
  • Shurflo by Pentair Water Faucet w/o Switch - White [94-009-12]
    Shurflo by Pentair
    Shurflo by Pentair Water Faucet w/o Switch - White [94-009-12]
    Electric Water Faucet w/o Switch - WhiteSHURFLO's line of single-fixture ABS faucets offer quality and variety in an attractive package. Multiple-axis 360 degree rotation and lead-free washerless ceramic plate valves offer smooth flow when used with a city water system.Features: Sliding Ceramic Plate Valve...
    $60.99
    $81.88
    $60.99
  • Perko Spare Cap f/1313 Gas Fill [0126DP0BLK]
    Perko
    Perko Spare Cap f/1313 Gas Fill [0126DP0BLK]
    Spare Cap f/1313 Gas FillNon-Locking Spare Cap f/1313 Gas Fill
    $14.99
    $16.94
    $14.99
  • Shurflo by Pentair Pressure Reducing City Water Entry - Wall Mount - Chrome [183-029-14]
    Shurflo by Pentair
    Shurflo by Pentair Pressure Reducing City Water Entry - Wall Mount - Chrome [183-029-14]
    Pressure Reducing City Water Entry - Wall Mount - ChromeThis combination pressure reducing city water entry and check valve diaphragm design prevents high-pressure damage often caused by city water systems. This high performance water entry limits water pressure safely to 50 PSI while meeting...
    $61.99
    $82.93
    $61.99
  • Perko Gas Fill f/1-1/2" Hose - Chrome Plated Zinc, Black Flange [1313DP0CHR]
    Perko
    Perko Gas Fill f/1-1/2" Hose - Chrome Plated Zinc, Black Flange [1313DP0CHR]
    Gas Fill f/1-1/2" Hose - Chrome Plated Zinc, Black FlangeFeatures: Chrome Plated Zinc Alloy Flange Black Polymer Flange Black Polymer Cap with Strap Grounding Screw Included Cap Retainer and Gasket Specs: For Hose Size: 1-1/2" O.D. Flange: 3-1/8" Neck Length : 1-7/8" Mounting Hole...
    $28.99
    $35.93
    $28.99
  • Perko Gas Tank Vent w/Splash Guard - Chrome Plated Zinc - " Hose [0506DP4CHR]
    Perko
    Perko Gas Tank Vent w/Splash Guard - Chrome Plated Zinc - " Hose [0506DP4CHR]
    Gas Tank Vent Chrome Plated Zinc Alloy with Black Polymer Splash Guard Removable 30 Mesh Stainless Steel Wire Screen Flame Arrestor - for use with fuel applications Hose Size: 5/8" Max Hull Thickness: 3/4"
    $20.99
    $26.32
    $20.99
  • Perko Flush Pro Valve - 1" [0456DP6]
    Perko
    Perko Flush Pro Valve - 1" [0456DP6]
    Flush Pro Valve - 1"Finally! Freshwater flushing of your inboard is as simple as connecting a garden hose.Features: Polymer Stainless Steel Spring Flush your boat engine safely and easily Transparent body allows for visual inspection of water flow Durable check valve system activated by...
    $130.99
    $164.97
    $130.99
  • Perko Flush Pro Valve Kit - 1" [0457DP6]
    Perko
    Perko Flush Pro Valve Kit - 1" [0457DP6]
    Flush Pro Valve Kit - 1"Finally! Fresh flushing of your inboard is as simple as connecting a garden hose.Features: Polymer Stainless Steel Spring Flush your boat engine safely and easily Transparent body allows for visual inspection of water flow Durable check valve system activated...
    $210.99
    $276.69
    $210.99
  • Perko Flush Pro Valve Kit - 5/8" [0457DP4]
    Perko
    Perko Flush Pro Valve Kit - 5/8" [0457DP4]
    Flush Pro Valve Kit - 5/8"Finally! Freshwater flushing of your inboard is as simple as connecting a garden hose.Features: Polymer Stainless Steel Spring Flush your boat engine safely and easily Transparent body allows for visual inspection of water flow Durable check valve system activated...
    $171.99
    $276.69
    $171.99
  • Rule Replacement Garden Hose Adapter [68]
    Rule
    Rule Replacement Garden Hose Adapter [68]
    Hose AdapterReplacement Garden Hose Adapter
    $12.99
    $12.99
  • Jabsco Flush Mount Hose Adapter [31911-0002]
    Jabsco
    Jabsco Flush Mount Hose Adapter [31911-0002]
    Flush Mount Hose AdapterPerfect solution to remove that unsightly hose bib deck fitting and rusty knob. This will enable you to connect your water hose in seconds.Enables you to quick-connect your water hose in seconds. Position this fitting close to your anchor windlass to...
    $40.99
    $46.99
    $40.99
  • Beckson 1" Drain Plug Screw Type w/Gasket - Black [DP10-B]
    Beckson Marine
    Beckson 1" Drain Plug Screw Type w/Gasket - Black [DP10-B]
    Beckson Screw Type 1" Drain PlugScrew-type drain plug with patented self-cleaning thread design, O-ring, and super strength center retaining legs to secure the center while draining. Ideal installation for transom of personal watercraft, small boats, fish wells, coolers, ice chests, water tanks, etc. Part...
    $6.99
    $7.15
    $6.99

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