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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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  • T-H Marine Large Rectangular Scupper - White [LRS-2-DP]
    T-H Marine Supplies
    T-H Marine Large Rectangular Scupper - White [LRS-2-DP]
    Large Rectangular Scupper - WhiteThis large rectangular scupper is made for quickly draining decks above the waterline. Features: Can quickly drain decks Made for decks above the waterline Max. drainage for larger boats Easily clears debris Fits a 2 in. x 5-1/2 in. opening
    $16.99
    $17.35
    $16.99
  • 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...
    $59.99
    $59.99
  • 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
  • Beckson Pontoon 15" Pump - Hose Solid Separately [315FPX]
    Beckson Marine
    Beckson Pontoon 15" Pump - Hose Solid Separately [315FPX]
    Pontoon PumpThe float pump, designed originally for pumping out seaplane pontoons, offers the standard features of a "Thirsty-Mate_" pump with the addition of a flexible foot and tapered collar that fits standard funnels in most pontoons. The foot is threaded to accept 1 1/4"...
    $52.99
    $65.20
    $52.99
  • Albin Group Solenoid Valve - 12V [07-66-035]Albin Group Solenoid Valve - 12V [07-66-035]
    Albin Group
    Albin Group Solenoid Valve - 12V [07-66-035]
    Solenoid Valve - 12V12V Electric Valve to be used with centralized fresh water system. Features:Certification: CE marked 94/25/ECC, ISO8846 Small Craft, Electromagnetic compatibility 89/336/EEC, EN51014 1993/radio disturbance
    $32.99
    $38.91
    $32.99
  • Viega MegaPress 316 FKM 1" Coupling w/Stop [91110]
    Viega
    Viega MegaPress 316 FKM 1" Coupling w/Stop [91110]
    MegaPress 316 FKM 1" Coupling with StopFeatures: For use with Sch. 5 to Sch. 40 stainless steel pipe 316 stainless steel Press connection Components:FKM sealing elements, grip rings, separator rings Specifications: Construction: Stainless Steel Box Dimensions: 2"H x 2"W x 4"L WT: 0.5 lbs...
    $97.99
    $126.65
    $97.99
  • Viega MegaPress 316 FKM FPT Adapter - 1" x 1" (FPT) [91250]
    Viega
    Viega MegaPress 316 FKM FPT Adapter - 1" x 1" (FPT) [91250]
    MegaPress 316 FKM FPT Adapter - 1" x 1" (FPT)Features: For use with Sch. 5 to Sch. 40 stainless steel pipe 316 stainless steel Press connection, female pipe thread Components:FKM sealing element, grip ring, separator ring Specifications: Construction: Stainless Steel Box Dimensions: 2"H x...
    $156.99
    $210.37
    $156.99
  • Perko Cover Bolt Complete Sizes 4 5 [0493DP599L]
    Perko
    Perko Cover Bolt Complete Sizes 4 5 [0493DP599L]
    Cover Bolt Complete Sizes 4 & 5Cover Bolt Only (Size 4 and 5) 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...
    $28.99
    $28.99
  • Perko Flush Pro Valve - 5/8" [0456DP4]
    Perko
    Perko Flush Pro Valve - 5/8" [0456DP4]
    Flush Pro Valve - 5/8"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 by...
    $130.99
    $130.99
  • GROCO 1/2" NPT Bronze 90 Degree Pipe to 1/2"-5/8" ID Hose [PTHC-5062]
    GROCO
    GROCO 1/2" NPT Bronze 90 Degree Pipe to 1/2"-5/8" ID Hose [PTHC-5062]
    1/2" NPT Bronze 90 Degree Pipe to 1/2"-5/8" ID Hose Features: 90 degree Male NPT x Hose connection C83600 Bronze Standard Flow UL Listed 647B Note- C83600 bronze fittings are not in compliance with NSF-61 and therefore are not intended for use in potable water systems....
    $10.99
    $10.99
  • Perko Fuel System Locking Cap f/ 1-1/2" Non-Vented Fills [1324DP0BLK]
    Perko
    Perko Fuel System Locking Cap f/ 1-1/2" Non-Vented Fills [1324DP0BLK]
    Fuel System Locking Cap f/ 1-1/2" Non-Vented Fills(1324) Black Plastic with Gasket Built in Lock Cylinder Size #0 Fits PERKO Fills 1313 & 1399 Cap Outside Thread Diameter: 1-15/32" Specifications: Construction: Plastic Box Dimensions: 2"H x 3"W x 6"L WT: 0.15 lbs UPC: 085226029707...
    $38.99
    $38.99
  • GROCO 1-1/2" Bronze NPS to NPT Flange Adapter [IBVF-1500]
    GROCO
    GROCO 1-1/2" Bronze NPS to NPT Flange Adapter [IBVF-1500]
    1-1/2" Bronze NPS to NPT Flange AdapterIBVF Flanged Adapters have been developed to address several common problems in the marine industry.  Features:   Eliminate dangerous thread miss-match when in-line valves are screwed onto thru hulls Accept standard thru-hulls into the base and standard in-line...
    $72.99
    $72.99
  • GROCO 3/4" Bronze Flanged Full Flow Seacock [BV-750]
    GROCO
    GROCO 3/4" Bronze Flanged Full Flow Seacock [BV-750]
    3/4" 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...
    $250.99
    $347.00
    $250.99
  • GROCO Bronze Clam Shell Style Hull Strainer f/Up To 1-1/2" Thru Hull [SC-1500-L]
    GROCO
    GROCO Bronze Clam Shell Style Hull Strainer f/Up To 1-1/2" Thru Hull [SC-1500-L]
    Bronze Clam Shell Style Hull Strainer f/Up To 1-1/2" Thru Hull Features: C84400 bronze body and door. Cast filter slots. Pressure relief holes in door casting. Specifications: Flow Type: STD Mounting Ring Incl.: No Max T-Hull: 1-1/2" Perf Dia.: Cast Slots Specifications: Construction: Bronze Box...
    $50.99
    $50.99
  • GROCO 1-1/4"" NPT x 1-1/4" ID Stainless Steel Pipe to Hose Straight Fitting [PTH-1250-S]
    GROCO
    GROCO 1-1/4"" NPT x 1-1/4" ID Stainless Steel Pipe to Hose Straight Fitting [PTH-1250-S]
    1-1/4"" NPT x 1-1/4" ID Stainless Steel Pipe to Hose Straight Fitting Features: Male NPT x Hose connection #316 Stainless Steel Sizes from 1/2" to 3" Standard Flow NSF-61 compliant Suitable for use in potable water systems Specifications: Construction: Stainless Steel Box Dimensions: 3"H x...
    $25.99
    $30.00
    $25.99
  • Perko 0540 Gas Fill/Vent f/1-1/2" Hose - Angled Neck [0540DPGCHR]
    Perko
    Perko 0540 Gas Fill/Vent f/1-1/2" Hose - Angled Neck [0540DPGCHR]
    0540 Gas Fill/Vent for 1-1/2" Hose - Angled NeckFeatures: Angled Neck Chrome Plated Bronze Cap Black Polymer Body Stainless Steel Bead Chain Integral Tank Vent with Flame Arrestor and Anti Surge Valve Deck Plate Key Included Quick Guide (pdf)
    $61.99
    $61.99
  • 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
    $40.99
  • 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
  • Perko 1-1/4" Pipe to Hose Adapter 90 Degree Bronze MADE IN THE USA [0063DP7PLB]
    Perko
    Perko 1-1/4" Pipe to Hose Adapter 90 Degree Bronze MADE IN THE USA [0063DP7PLB]
    Perko 1-1/4" Pipe To Hose Adapter 90 Degree BronzeCast BronzeCast hex for easier installationCurved 90 degreesTechnical Information: Pipe Size Inches: 1-1/4 Hose Size Inches: 1-1/4 Length Overall Inches: 5-1/2 Model Number: 0063DP7PLB Ship Weight: 5.5/25.3 *The above item meets the requirements of U.S.C.G. Safety...
    $36.99
    $36.99
  • Perko 3-1/2" Round Bronze Strainer MADE IN THE USA [0086DP3PLB]
    Perko
    Perko 3-1/2" Round Bronze Strainer MADE IN THE USA [0086DP3PLB]
    Perko 3-1/2" Round Bronze StrainerCast bronzeDrilled holesTechnical Information: For Thru-Hull Size Inches: 1 O.D. Inches: 3-1/2 I.D. Inches: 2-3/8 Model Number: 0086DP3PLB Screw Size: 8 Ship Weight: 1.7/1.7 lbs. MADE IN THE USA Specifications: Construction: Bronze Box Dimensions: 1"H x 4"W x 4"L WT:...
    $23.99
    $23.99

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