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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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  • 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
  • Perko 1" Seacock Ball Valve Bronze MADE IN THE USA [0805006PLB]
    Perko
    Perko 1" Seacock Ball Valve Bronze MADE IN THE USA [0805006PLB]
    Perko 1" 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: 4-3/8" Overall Height Inches: 3-3/4" Pipe Size Inches: 1" Model Number: 0805006PLB Ship Weight: 3.9...
    $182.99
    $364.39
    $182.99
  • Perko 2" Seacock Ball Valve Bronze MADE IN THE USA [0805009PLB]
    Perko
    Perko 2" Seacock Ball Valve Bronze MADE IN THE USA [0805009PLB]
    Perko 2" 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: 5-3/4" Overall Height Inches: 5-3/4" Pipe Size Inches: 2 Model Number: 0805009PLB Ship Weight: 11.0...
    $436.99
    $929.28
    $436.99
  • Viega ProPress 1" Copper Tee - Triple Press Connection - Smart Connect Technology [77412]Viega ProPress 1" Copper Tee - Triple Press Connection - Smart Connect Technology [77412]
    Viega
    Viega ProPress 1" Copper Tee - Triple Press Connection - Smart Connect Technology [77412]
    ProPress 1" Copper Tee - Triple Press Connection - Smart Connect TechnologyFeatures: For use with ASTM B88 and B75 tubing Copper Press connection Components:EPDM sealing elements  Specifications: Construction: Copper Box Dimensions: 2"H x 3"W x 4"L WT: 0.45 lbs UPC: 691514774121 Quick Guide (pdf)Brochure...
    $22.99
    $28.50
    $22.99
  • GROCO Bronze Pipe Nipple - 2" NPT [PN-2000]
    GROCO
    GROCO Bronze Pipe Nipple - 2" NPT [PN-2000]
    Bronze Pipe Nipple - 2" NPT Features: Cast-in wrench flat simplifies installation and removal NPT x NPT Connection C83600 Bronze   Full flow   Note-C83600 bronze fittings are not in compliance with NSF-61 and therefore are not intended for use in potable water systems. Specifications:...
    $39.99
    $51.00
    $39.99
  • GROCO 1-1/2" NPT x 1-1/2" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-1500]
    GROCO
    GROCO 1-1/2" NPT x 1-1/2" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-1500]
    1-1/2" NPT x 1-1/2" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow ElbowFeatures: 90 degree 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...
    $38.99
    $50.00
    $38.99
  • GROCO Bronze Pipe Nipple - 1" NPT [PN-1000]
    GROCO
    GROCO Bronze Pipe Nipple - 1" NPT [PN-1000]
    Bronze Pipe Nipple - 1" NPT Features: Cast-in wrench flat simplifies installation and removal NPT x NPT Connection C83600 Bronze   Full flow   Note-C83600 bronze fittings are not in compliance with NSF-61 and therefore are not intended for use in potable water systems. Specifications:...
    $15.99
    $19.00
    $15.99
  • GROCO 3/4" NPT x 3/4" ID Bronze Pipe to Hose Straight Fitting [PTH-750]
    GROCO
    GROCO 3/4" NPT x 3/4" ID Bronze Pipe to Hose Straight Fitting [PTH-750]
    3/4" NPT x 3/4" 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...
    $8.99
    $10.00
    $8.99
  • GROCO 1-1/4" NPT x 1-1/2" Bronze Full Flow Pipe to Hose Straight Fitting [FF-1250]
    GROCO
    GROCO 1-1/4" NPT x 1-1/2" Bronze Full Flow Pipe to Hose Straight Fitting [FF-1250]
    1-1/4" NPT x 1-1/2" 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...
    $24.99
    $29.00
    $24.99
  • GROCO Backing Block f/3/4" 1" Seacocks [BB-1]
    GROCO
    GROCO Backing Block f/3/4" 1" Seacocks [BB-1]
    Backing Block for 3/4" & 1" 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...
    $52.99
    $68.00
    $52.99
  • Forespar Marelon Full-Flow Seacock 1-1/2" Mushroom Through-Hull [904046ABYC]
    Forespar Performance Products
    Forespar Marelon Full-Flow Seacock 1-1/2" Mushroom Through-Hull [904046ABYC]
    Marelon Full-Flow Seacock & 1-1/2" 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...
    $133.99
    $179.45
    $133.99
  • Johnson Pump Bulkhead Fitting 3/4" Hose [09-10616]
    Johnson Pump
    Johnson Pump Bulkhead Fitting 3/4" Hose [09-10616]
    Bulkhead FittingPart #: 09-10616Johnson Bulkhead Fitting for 3/4" hose
    $31.99
    $45.68
    $31.99
  • GROCO Bronze Clam Shell Style Hull Strainer f/Up To 1" Thru Hull [SC-1000-L]
    GROCO
    GROCO Bronze Clam Shell Style Hull Strainer f/Up To 1" Thru Hull [SC-1000-L]
    Bronze Clam Shell Style Hull Strainer f/Up To 1" Thru Hull Features: C84400 bronze body and door. Cast filter slots. Pressure relief holes in door casting. Specifications: Flow Type: STD Mount Ring Incl.: No Max T-Hull: 1" Perf Dia.: Cast Slots Specifications: Construction: Bronze Box...
    $29.99
    $38.00
    $29.99
  • Dometic Bellows S/T Pump Kit [385230980]
    Dometic
    Dometic Bellows S/T Pump Kit [385230980]
    Bellows S/T Pump KitDometic Bellows assembly for the S-Vacuum pump, VG4-Vacuum pump and the T-Discharge pump.  *This does not include the O-rings (P/N 385310151)Features: Toilet flush ball kit Color -  White *Sold as an IndividualWARNING: This product can expose you to chemicals including ARSENIC...
    $165.99
    $173.99
    $165.99
  • Perko Cover Bolt Complete Sizes 6 7 [0493DP799L]
    Perko
    Perko Cover Bolt Complete Sizes 6 7 [0493DP799L]
    Cover Bolt Complete Sizes 6 & 7Cover Bolt Only (Size 6 and 7) for Intake Water Strainer.Intake Water Strainers are designed for easy installation and cleaning. Features include mounting lugs cast into both sides to assure universal mounting, four outside tie rods and a...
    $31.99
    $44.04
    $31.99
  • GROCO 1/2" NPT Bronze 3-Way Valve [TWV-500]
    GROCO
    GROCO 1/2" NPT Bronze 3-Way Valve [TWV-500]
    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.  UL listed...
    $40.99
    $52.00
    $40.99
  • GROCO 1/4" NPT Bronze Inline Fuel Valve [FV-250]
    GROCO
    GROCO 1/4" NPT Bronze Inline Fuel Valve [FV-250]
    1/4" NPT Bronze Inline Fuel ValveFeatures: Selectable handle rotation Full flow Mount foot included C83600 bronze construction Stainless steel handle and hardware 400 WOG PTFE seats and seals UL listed for fuel or water Specifications: Construction: Bronze Box Dimensions: 3"H x 3"W x 5"L...
    $21.99
    $26.00
    $21.99
  • GROCO 1" NPT Stainless Steel In-Line Ball Valve [IBV-1000-S]
    GROCO
    GROCO 1" NPT Stainless Steel In-Line Ball Valve [IBV-1000-S]
    1" 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...
    $65.99
    $84.00
    $65.99
  • Perko Flush Pro Valve Kit - 1-1/4" [0457DP7]
    Perko
    Perko Flush Pro Valve Kit - 1-1/4" [0457DP7]
    Flush Pro Valve Kit - 1-1/4"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...
    $210.99
    $276.69
    $210.99
  • Perko 3/4" Seacock Ball Valve Bronze MADE IN THE USA [0805005PLB]
    Perko
    Perko 3/4" Seacock Ball Valve Bronze MADE IN THE USA [0805005PLB]
    Perko 3/4" Seacock Ball Valve BronzeThese valves bodies are offered to meet the needs of applications that require extra long, scoop or flush type thru-hulls. Cast bronze. Technical Information: Flange Diameter Inches: 3-1/4 Overall Height Inches: 3-3/8 Pipe Size Inches: 3/4 Model Number: 0805005PLB...
    $133.99
    $292.81
    $133.99

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