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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 1-1/4" Mushroom Through-Hull [904045ABYC]
    Forespar Performance Products
    Forespar Marelon Full-Flow Seacock 1-1/4" Mushroom Through-Hull [904045ABYC]
    Marelon Full-Flow Seacock & 1-1/4" 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...
    $130.99
    $130.99
  • 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
    $86.99
  • GROCO Garboard Drain w/Plug [TD-500]
    GROCO
    GROCO Garboard Drain w/Plug [TD-500]
    Garboard Drain w/Plug The ConceptOnce your boat is in its cradle, sling, lift, or trailer, draining the bilge is easy with a garboard drain. All models install from the outside.  TD-500 allows draining from outside by removing the square-drive plug.
    $10.99
    $10.99
  • GROCO 3/4" Bronze Tri-Flanged Ball Valve/Seacock [FBV-750]GROCO 3/4" Bronze Tri-Flanged Ball Valve/Seacock [FBV-750]
    GROCO
    GROCO 3/4" Bronze Tri-Flanged Ball Valve/Seacock [FBV-750]
    3/4" Bronze Tri-Flanged Ball Valve/SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the valve in the open position), and one drain plug The zerk can also be used for draining Field reversible handle allows you to select...
    $64.99
    $64.99
  • 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
    $6.99
  • GROCO 1/2" 4-Way Tank Selector Kit [TS-350-T]
    GROCO
    GROCO 1/2" 4-Way Tank Selector Kit [TS-350-T]
    1/2" 4-Way Tank Selector Kit TS-350-T Tank Selector utilizes a single FV-450-X full flow valve mounted on an attractive stainless steel mount bracket and plumbed with (2) ½" straight hose barbs and (1) 3/8" 90-degree hose barb. Two labels are provided to match your installation (port/...
    $192.99
    $192.99
  • GROCO 1-1/4" NPT Bronze In-Line Ball Valve [IBV-1250]
    GROCO
    GROCO 1-1/4" NPT Bronze In-Line Ball Valve [IBV-1250]
    1-1/4" NPT Bronze In-Line Ball ValveFeatures: Female NPT Threads 1-1/4" sizes and larger include a grease zerk fitting for lubrication (use only with the valve in the open position) or for draining Selectable handle rotation Handle has square hole to accept standard ratchet to...
    $76.99
    $76.99
  • GROCO Backing Block f/2" 2-1/2" Seacocks [BB-3]
    GROCO
    GROCO Backing Block f/2" 2-1/2" Seacocks [BB-3]
    Backing Block for 2" & 2-1/2" SeacocksFeatures: Each size fits multiple seacock sizes Press threaded brass inserts into the hull side of the backing block into the holes that match the seacock flange Rigid 1/2" thickness provides secure installation but is flexible enough to...
    $77.99
    $104.00
    $77.99
  • GROCO 2" NPT x 2-1/4" Bronze Full Flow Pipe to Hose Straight Fitting [FF-2000]
    GROCO
    GROCO 2" NPT x 2-1/4" Bronze Full Flow Pipe to Hose Straight Fitting [FF-2000]
    2" NPT x 2-1/4" Bronze Full Flow Pipe to Hose Straight FittingFeatures: Full Flow Male NPT x Hose connection C83600 Bronze Sizes from 1/2" to 3" UL Listed 647B Note- C83600 bronze fittings are not in compliance with NSF-61 and therefore are not intended for...
    $66.99
    $86.00
    $66.99
  • GROCO 1-1/2" NPT Stainless Steel In-Line Ball Valve [IBV-1500-S]
    GROCO
    GROCO 1-1/2" NPT Stainless Steel In-Line Ball Valve [IBV-1500-S]
    1-1/2" NPT #316 Stainless Steel In-Line Ball ValveFeatures: 1-1/4" sizes and larger include a grease zerk fitting for lubrication (use only with the valve in the open position) or for draining Handle has square hole to accept standard ratchet (helps you to reach hard-to-reach...
    $130.99
    $174.00
    $130.99
  • Attwood Snap-Handle Stainless Steel Drain Plug - 1" Diameter [7520A3]
    Attwood Marine
    Attwood Snap-Handle Stainless Steel Drain Plug - 1" Diameter [7520A3]
    Snap-Handle Stainless Steel Drain Plug - 1" DiameterA clockwise turn of the handle tightens the plug in its tube, and the handle flips down to lock.Features: Handle: Stainless Steel For 1" diameter drains *Sold as an Individual Specifications: Construction: Stainless Steel Box Dimensions: 1"H...
    $13.99
    $0.00
    $13.99
  • Perko 1-1/4" Seacock Ball Valve Bronze MADE IN THE USA [0805007PLB]
    Perko
    Perko 1-1/4" Seacock Ball Valve Bronze MADE IN THE USA [0805007PLB]
    Perko 1-1/4" Seacock Ball Valve BronzeThese valve bodies are offered to meet the needs of applications thatrequire extra long, scoop or flush type thru-hulls.Cast Bronze.Technical Information: Flange Diameter Inches: 4-7/8" Overall Height Inches: 4-1/4" Pipe Size Inches: 1-1/4" Model Number: 0805007PLB Ship Weight: 5.3...
    $227.99
    $227.99
  • T-H Marine Washdown Fitting w/Shutoff Valve [WDV-1-DP]
    T-H Marine Supplies
    T-H Marine Washdown Fitting w/Shutoff Valve [WDV-1-DP]
    Washdown Fitting with Shutoff ValveThis bulkhead-mounted washdown fitting is inexpensive, functional, easy to install, and rust-proof. This injection-molded plastic fitting is 2 1/4" in diameter and mounts in a 1 1/4" diameter hole with 3 countersunk screws. Features: Black flange color Injection-molded, UV-stabilized, and rust-proof...
    $38.99
    $38.99
  • GROCO 3/4" NPT Bronze 3-Way Valve [TWV-750]
    GROCO
    GROCO 3/4" NPT Bronze 3-Way Valve [TWV-750]
    3/4" 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.   UL...
    $50.99
    $50.99
  • GROCO 2" NPT x 2" ID Bronze Pipe to Hose Straight Fitting [PTH-2000]
    GROCO
    GROCO 2" NPT x 2" ID Bronze Pipe to Hose Straight Fitting [PTH-2000]
    2" NPT x 2" ID Bronze Pipe to Hose Straight FittingFeatures: Male NPT x Hose connection C83600 Bronze Sizes from 1/2" to 5" Standard Flow UL Listed 647B Note- C83600 bronze fittings are not in compliance with NSF-61 and therefore are not intended for use...
    $31.99
    $31.99
  • GROCO 1-1/4" Bronze Flanged Full Flow Seacock [BV-1250]
    GROCO
    GROCO 1-1/4" Bronze Flanged Full Flow Seacock [BV-1250]
    1-1/4" Bronze Flanged Full Flow SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the valve in the open position), and one drain plug. The zerk can also be used for draining. Tri-flange base and mount hole pattern...
    $387.99
    $537.00
    $387.99
  • Scandvik 3/8" BSP x 1/2" NPT - Brass [10002]
    Scandvik
    Scandvik 3/8" BSP x 1/2" NPT - Brass [10002]
    3/8" BSP x 1/2" NPT - BrassAdapters convert 3/8” BSP-M to 1/2” NPT-M or 1/2" NPS-M. Washers included.Specifications: Material: Brass Brass Thread Type: 3/8” BSP-F and 1/2” NPT-M
    $19.99
    $19.99
  • GROCO 1" Bronze In-Line Check Valve [CV-100]
    GROCO
    GROCO 1" Bronze In-Line Check Valve [CV-100]
    1" Bronze In-Line Check ValveFeatures: C83600 cast bronze construction NPT threaded ports 1/2" - 2" sizes Suitable for use with diesel fuel or gasoline Specifications: Construction: Bronze Box Dimensions: 4"H x 4"W x 5"L WT: 0.9 lbs UPC: 742985145955
    $38.99
    $38.99
  • Perko Garboard Drain Plus w/Steel Wrench [0124000PLB]
    Perko
    Perko Garboard Drain Plus w/Steel Wrench [0124000PLB]
    Garboard Drain Plus with Steel WrenchComplete with Zinc Plated Steel Wrench. Specifications: Cast Bronze Flange Brass Plug Complete with Zinc Plated Steel Wrench Flange Outer Diameter: 3-1/8" Pipe Size: 1" Length: 1" Threaded Screw Size: #10
    $119.99
    $119.99
  • Jabsco Port Kit 90-Degree Elbow 1/2" Hose Fitting - Pair [30651-1000]
    Jabsco
    Jabsco Port Kit 90-Degree Elbow 1/2" Hose Fitting - Pair [30651-1000]
    Port Kit 90-Degree Elbow 1/2" Hose Fitting - PairSpecifications: Pair of ports EDPM O-Ring Actual Weight: 0.01 Kg  (Approx. 0.21 Kg packed)
    $9.99
    $11.99
    $9.99

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