Marine Plumbing & Ventilation

90 products

  • Sale -14% TH Marine Double Barb Inline Scupper Check Valve  118  Black ILS1200DP

    T-H Marine Supplies T-H Marine Double Barb Inline Scupper Check Valve - 1-1/8" - Black [ILS-1200-DP]

    12 in stock

    Double Barb Inline Scupper Check Valve - 1-1/8" - BlackA great solution to provide a scupper check valve in the drain line.  Allows use of standard thru-hull fittings in the cockpit and on the hull exterior. Features: Prevents Backwash Chemical Resistant Materials Thermo-Plastic Flapper Specifications: Construction: Polymer Box Dimensions: 4"H x 6"W x 9"L WT: 0.35 lbs UPC: 733572065008

    12 in stock

    $27.99 $23.99

  • Sale -19% TH Marine OXYGENATOR Livewell Oxygen Generator O2BK3DP

    T-H Marine Supplies T-H Marine OXYGENATOR Livewell Oxygen Generator [O2-BK3-DP]

    6 in stock

    OXYGENATOR™ Livewell Oxygen GeneratorPro Live Well Flush MountThe OXYGENATOR™ Pro Live Well Flush Mount is a livewell oxygen generator that will retrofit most boat live wells from 10 to 20 gallons and operates off the existing boat battery.The OXYGENATOR™ manufactures 100% pure oxygen by splitting the hydrogen molecule from the oxygen molecule in water. This creates a super saturated oxygen environment, even in the warmest water.Independent testing shows increasing oxygen in livewell improves fish survival by over 35%. Pro Live Well Flush Mount Details:Injects 100% pure oxygen into livewell or baitwell Increases fish survival over 35% Power requirement: 12V DC drawing less than 1amp No switch required - automatically activated when live well fills with water Easy installation instructions Silent running Emitter size 3.375 inches in diameter Rated capacity 10-20 gallons 3 year warranty Includes: Installation instructions.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: Volts: 12V Outlet Size: N/A Inlet Style: Straight Gallons Per Hour: N/A Box Dimensions: 2"H x 7"W x 11"L WT: 0.65 lbs UPC: 853183000042

    6 in stock

    $254.99 $205.99

  • Sale -13%Last stock! Attwood HeavyDuty Bilge Pump 2000 Series  12V  2000 GPH 47604 Attwood HeavyDuty Bilge Pump 2000 Series  12V  2000 GPH 47604

    Attwood Marine Attwood Heavy-Duty Bilge Pump 2000 Series - 12V - 2000 GPH [4760-4]

    1 in stock

    Heavy-Duty Bilge Pump 2000 SeriesPart #: 4760-4Heavy-Duty Blige Pumps integrate the highest quality bearings, brushes, alloys and magnets designed to withstand extreme usage cycles. Pump all employs an exclusive shaft and motor compartment, reducing wear and significantly extending pump life. Advanced resin compositions incorporated in exterior to resist chemicals such as engine oil, aggressive detergents and hose plasticizers. Attwood's Heavy Duty bilge has unsurpassed durability and efficiency in a compact design to ensure electrical energy is converted to the pump rather than excess heat.Attwood's highest capacity pump! Ball-bearing design provides for cooler motor operation and longer life, Delivers over 2000 GPH at open flow while drawing less than 7-amps.Features: 12V CE Rated 36" Wire 3-Year Warranty 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: Gallons Per Hour: 2000 GPH Operation: Non-Automatic Outlet Size: 1-1/8" Volts: 12v Type: Electric Box Dimensions: 6"H x 7"W x 7"L WT: 2.4 lbs UPC: 022697476043 Quick Guide (pdf)Brochure (pdf)

    1 in stock

    $170.87 $147.99

  • Sale -11%Last stock! Frabill AquaLife Aerator Dual Output 110V  Greater Than 100 Gallons 14212

    Frabill Frabill Aqua-Life Aerator Dual Output 110V - Greater Than 100 Gallons [14212]

    3 in stock

    Aqua-Life® Aerator Dual Output 110V - Greater Than 100 GallonsAqua-Life® Products run so quietly you'll forget you are aerating your bait. You'll know you are by the healthy condition of your bait. Aqua-Life® products feature a whisper quiet motor that runs efficiently at a low volume. Aqua-Life® products also utilize a special micro-bubble oxygen diffuser that produces clouds of tiny bubbles. Smaller more numerous bubbles mix readily as they collide and dispense through the entire water column. In bait containers smaller bubbles are important as they are less prone to damage delicate baitfish. Each Aqua-Life® product includes the diffuser and a 30 inch non-kink air hose. (Hoses and stones also sold separately as an accessory.)Features: Dual pumps-aerates 1 or 2 livewells (Up to 100 gallons) Produces close to 100% saturation of dissolved oxygen Rubber marking feet UL approved 6' power cord Includes: 10ft of flexible air hose, 2 each 3" long air stones, t-connector, 2 anti-siphon valves Specifications: Volts: 110v Box Dimensions: 6"H x 10"W x 10"L WT: 2.15 lbs UPC: 082271214218

    3 in stock

    $109.99 $97.99

  • Last stock! Frabill Premium Aeration Micro Diffuser 14291

    Frabill Frabill Premium Aeration Micro Diffuser [14291]

    4 in stock

    Premium Aeration Micro DiffuserMineral deposits and hard water use can clog your Aqua-Life® diffuser and produce less than adequate aeration quality. Keep your Aqua-Life® aeration system running at peak efficiency by replacing hoses and oxygen diffusers on a regular basis.Features: Micro-bubble diffuser and hose assembly 7.5" x 5.5" x 1.5" Specifications: Width: 6" Length (Inches): 8" Height: 2" Box Dimensions: 2"H x 6"W x 8"L WT: 0.3 lbs UPC: 082271114297

    4 in stock

    $11.99

  • Sale -8% Attwood Tsunami Mk2 T500 Aerator  12V  34 NPT Inlet 56434

    Attwood Marine Attwood Tsunami Mk2 T500 Aerator - 12V - 3/4" NPT Inlet [5643-4]

    8 in stock

    Tsunami Mk2 T500 Aerator - 12V - 3/4" NPT InletKeep bait and fish alive with the Tsunami Aerator Mk2. Attwood’s leading fish-friendly technology is making it easier to install and service while offering new installation options never provided by the Tsunami range.Features: 7/8 in. x 3/4 in. seacock Flexible installation with both 90 and straight inlets and outlets Full backward compatibility with previous Tsunami models Faster, smarter installation with no sealant or tools is required Specifications:Flow Gallon/Hour: 500 Specifications: Gallons Per Hour: 500 Volts: 12v Box Dimensions: 4"H x 5"W x 8"L WT: 0.8 lbs UPC: 022697025494

    8 in stock

    $48.89 $44.99

  • Sale -3% Attwood Tsunami Mk2 T1200 Aerator  12V  1 NPT Inlet 56634

    Attwood Marine Attwood Tsunami Mk2 T1200 Aerator - 12V - 1" NPT Inlet [5663-4]

    11 in stock

    Tsunami Mk2 T1200 Aerator - 12V - 1" NPT InletKeep bait and fish alive with the Tsunami Aerator Mk2. Attwood’s leading fish-friendly technology is making it easier to install and service while offering new installation options never provided by the Tsunami range.Features: 7/8" x 1" seacock Flexible installation with both 90 and straight inlets and outlets Full backward compatibility with previous Tsunami models Faster, smarter installation with no sealant or tools is required Specifications:Flow Gallon/Hour: 1200 Specifications: Gallons Per Hour: 1200 Volts: 12v Box Dimensions: 4"H x 5"W x 8"L WT: 1.2 lbs UPC: 022697025555

    11 in stock

    $70.15 $67.99

  • TH Marine HYDRA Livewell Pump  1100 GPH  12V  Long Nozzle PMPLWL11DP

    T-H Marine Supplies T-H Marine HYDRA Livewell Pump - 1100 GPH - 12V - Long Nozzle [PMP-LWL11-DP]

    12 in stock

    HYDRA™ Livewell Pump - 1100 GPH - 12V - Long NozzleThe T-H Marine HYDRA™ Livewell Pump is engineered for consistent livewell circulation with simplified service and dual-function capability for serious anglers. Backed by 4,000 hours of testing, HYDRA delivers dependable performance through an anti-airlock design that ensures reliable restarts—even when air is present in the line.Designed for durability in harsh marine environments, the pump features a precision-balanced motor and a 316 stainless steel motor shaft to reduce vibration, noise, and corrosion over time. Stator vane technology optimizes flow efficiency, while the dual-lock cartridge design allows fast motor removal and service without disconnecting hoses or plumbing.Built with versatility in mind, the HYDRA Livewell Pump includes a secondary outlet for wash-down applications, an integrated sealant channel to prevent leaks, and both short and long threaded intake options for flexible installations. Available in 600, 800, and 1100 GPH configurations and meeting ABYC, ISO, and U.S. Coast Guard standards, HYDRA is the premium solution for reliable livewell performance.Features: LONG: 3.5" (3/4"-14) Threaded intake tube (Hole installation size: 1-1/16") FLOW RATE: 1100 GPH AMP DRAW: Approx. 5A FUSE SIZE: 6 AMP INSTALL HOLE: 1-1/16" ANTI-AIRLOCK DESIGN: Engineered to restart reliably, even with air in the line. 316 STAINLESS STEEL MOTOR SHAFT: Corrosion-resistant for long-term durability. PRECISION BALANCED MOTOR: Runs smoother with reduced vibration and noise. REMOVABLE NOZZLE: Allows quick service without disconnecting the hose. STATOR VANE TECHNOLOGY: Optimizes flow efficiency and performance. DUAL-LOCK CARTRIDGE: Designed for quick removal and fast service. SECONDARY OUTLET: Dedicated outlet for wash-down pump. SEALANT CHANNEL: Integrated to prevent leaks.

    12 in stock

    $65.99

  • Sale -26% TH Marine HYDRA Cartridge Bilge Pump  1100 GPH  12V PMPBLG11DP TH Marine HYDRA Cartridge Bilge Pump  1100 GPH  12V PMPBLG11DP

    T-H Marine Supplies T-H Marine HYDRA Cartridge Bilge Pump - 1100 GPH - 12V [PMP-BLG11-DP]

    HYDRA™ Cartridge Bilge Pump - 1100 GPH - 12VThe HYDRA™ Cartridge Bilge Pump is engineered for dependable marine water removal with a service-friendly cartridge design that allows rapid motor replacement without removing the pump housing. Backed by 4,000 hours of testing, HYDRA delivers consistent performance through an advanced anti-airlock design that ensures reliable restarts—even when air is present in the line.Built for long-term durability in harsh marine environments, the HYDRA Cartridge Bilge Pump features a precision-balanced motor and a 316 stainless steel motor shaft to reduce vibration, noise, and corrosion. Stator vane technology optimizes flow efficiency, while the dual-lock cartridge system allows quick, tool-free motor removal for fast servicing on the water or at the dock.Designed with OEM-friendly installation in mind, the positive-lock strainer base matches most standard mounting patterns, and the pump includes straight and 90° outlets, a backflow restrictor, and a flat seal for flexible plumbing configurations. Available in 600 GPH, 800 GPH, and 1100 GPH options and meeting ABYC, ISO, and U.S. Coast Guard standards, the HYDRA Cartridge Bilge Pump delivers reliable performance boaters can trust.Features: AMP DRAW: Approx. 5A FUSE SIZE: 7.5 AMPFLOW RATE: 1100 GPH ANTI-AIRLOCK DESIGN: Engineered to restart reliably, even with air in the line. 316 STAINLESS STEEL MOTOR SHAFT: Corrosion-resistant for long-term durability. PRECISION BALANCED MOTOR: Runs smoother with reduced vibration and noise. REMOVABLE NOZZLE: Allows quick service without disconnecting the hose. STATOR VANE TECHNOLOGY: Optimizes flow efficiency and performance. POSITIVE-LOCK STRAINER BASE: Mounting pattern matches most manufacturers. DUAL LOCK CARTRIDGE: Designed for quick removal and fast service. INCLUDES: Straight & 90º Outlet, Backflow Restrictor, and Flat Seal.

    $84.99 $62.99

  • Sale -31%Last stock! TH Marine HYDRA Livewell Pump  600 GPH  12V  Long Nozzle PMPLWL6DP

    T-H Marine Supplies T-H Marine HYDRA Livewell Pump - 600 GPH - 12V - Long Nozzle [PMP-LWL6-DP]

    2 in stock

    HYDRA™ Livewell Pump - 600 GPH - 12V - Long NozzleThe T-H Marine HYDRA™ Livewell Pump is engineered for consistent livewell circulation with simplified service and dual-function capability for serious anglers. Backed by 4,000 hours of testing, HYDRA delivers dependable performance through an anti-airlock design that ensures reliable restarts—even when air is present in the line.Designed for durability in harsh marine environments, the pump features a precision-balanced motor and a 316 stainless steel motor shaft to reduce vibration, noise, and corrosion over time. Stator vane technology optimizes flow efficiency, while the dual-lock cartridge design allows fast motor removal and service without disconnecting hoses or plumbing.Built with versatility in mind, the HYDRA Livewell Pump includes a secondary outlet for wash-down applications, an integrated sealant channel to prevent leaks, and both short and long threaded intake options for flexible installations. Available in 600, 800, and 1100 GPH configurations and meeting ABYC, ISO, and U.S. Coast Guard standards, HYDRA is the premium solution for reliable livewell performance.Features: ANTI-AIRLOCK DESIGN: Engineered to restart reliably, even with air in the line. 316 STAINLESS STEEL MOTOR SHAFT: Corrosion-resistant for long-term durability. PRECISION BALANCED MOTOR: Runs smoother with reduced vibration and noise. REMOVABLE NOZZLE: Allows quick service without disconnecting the hose. STATOR VANE TECHNOLOGY: Optimizes flow efficiency and performance. DUAL-LOCK CARTRIDGE: Designed for quick removal and fast service. SECONDARY OUTLET: Dedicated outlet for wash-down pump. SEALANT CHANNEL: Integrated to prevent leaks. LONG: 3.5" (3/4"-14) Threaded intake tube (Hole installation size: 1-1/16") FLOW RATE: 600 GPH AMP DRAW: Approx. 3A FUSE SIZE: 4 AMP INSTALL HOLE: 1-1/16"

    2 in stock

    $69.99 $47.99

  • TH Marine HYDRA Automatic Bilge Pump  1100 GPH  12V PMPBLGA11DP TH Marine HYDRA Automatic Bilge Pump  1100 GPH  12V PMPBLGA11DP

    T-H Marine Supplies T-H Marine HYDRA Automatic Bilge Pump - 1100 GPH - 12V [PMP-BLGA11-DP]

    HYDRA™ Automatic Bilge Pump - 1100 GPH - 12VThe T-H Marine HYDRA™ Automatic Bilge Pump is engineered for reliable, high-performance water removal with long-term durability built in. Backed by 4,000 hours of testing, HYDRA delivers dependable operation through its advanced anti-airlock design, ensuring reliable restarts even when air is present in the line. A precision-balanced motor with a 316 stainless steel motor shaft reduces vibration, noise, and corrosion for smooth, long-lasting performance in harsh marine environments.Designed for simplified service and OEM-friendly installation, HYDRA features a removable nozzle for quick maintenance without disconnecting hoses and a positive-lock strainer base that matches most standard mounting patterns. The integrated Sure-Start™ float switch and programmed start delay prevent false starts and extend pump life, while the external test knob allows fast manual operation checks. Available in 800 GPH and 1100 GPH models and meeting all major ABYC, ISO, and U.S. Coast Guard standards, HYDRA is built for confidence on every outing.Features: FLOW RATE: 1100 GPH AMP DRAW: Approx. 5A FUSE SIZE: 7.5 AMP ANTI-AIRLOCK DESIGN: Engineered to restart reliably, even with air in the line. 316 STAINLESS STEEL MOTOR SHAFT: Corrosion-resistant for long-term durability. PRECISION BALANCED MOTOR: Runs smoother with reduced vibration and noise. REMOVABLE NOZZLE: Allows quick service without disconnecting the hose. STATOR VANE TECHNOLOGY: Optimizes flow efficiency and performance. POSITIVE-LOCK STRAINER BASE: Mounting pattern matches most manufacturers. SURE-START FLOAT SWITCH: Corrosion-proof design for a reliable start every time. EXTERNAL TEST KNOB: Allows for quick manual testing. INCLUDES: Straight & 90º Outlet, Backflow Restrictor, and Flat Seal.

  • TH Marine HYDRA Automatic Bilge Pump  800 GPH  12V PMPBLGA8DP TH Marine HYDRA Automatic Bilge Pump  800 GPH  12V PMPBLGA8DP

    T-H Marine Supplies T-H Marine HYDRA Automatic Bilge Pump - 800 GPH - 12V [PMP-BLGA8-DP]

    HYDRA™ Automatic Bilge Pump - 800 GPH - 12VThe T-H Marine HYDRA™ Automatic Bilge Pump is engineered for reliable, high-performance water removal with long-term durability built in. Backed by 4,000 hours of testing, HYDRA delivers dependable operation through its advanced anti-airlock design, ensuring reliable restarts even when air is present in the line. A precision-balanced motor with a 316 stainless steel motor shaft reduces vibration, noise, and corrosion for smooth, long-lasting performance in harsh marine environments.Designed for simplified service and OEM-friendly installation, HYDRA features a removable nozzle for quick maintenance without disconnecting hoses and a positive-lock strainer base that matches most standard mounting patterns. The integrated Sure-Start™ float switch and programmed start delay prevent false starts and extend pump life, while the external test knob allows fast manual operation checks. Available in 800 GPH and 1100 GPH models and meeting all major ABYC, ISO, and U.S. Coast Guard standards, HYDRA is built for confidence on every outing.Features: FLOW RATE: 800 GPH AMP DRAW: Approx. 4A FUSE SIZE: 5 AMP ANTI-AIRLOCK DESIGN: Engineered to restart reliably, even with air in the line. 316 STAINLESS STEEL MOTOR SHAFT: Corrosion-resistant for long-term durability. PRECISION BALANCED MOTOR: Runs smoother with reduced vibration and noise. REMOVABLE NOZZLE: Allows quick service without disconnecting the hose. STATOR VANE TECHNOLOGY: Optimizes flow efficiency and performance. POSITIVE-LOCK STRAINER BASE: Mounting pattern matches most manufacturers. SURE-START FLOAT SWITCH: Corrosion-proof design for a reliable start every time. EXTERNAL TEST KNOB: Allows for quick manual testing. INCLUDES: Straight & 90º Outlet, Backflow Restrictor, and Flat Seal. This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

  • TH Marine HYDRA Livewell Pump  1100 GPH  12V  Short Nozzle PMPLWS11DP

    T-H Marine Supplies T-H Marine HYDRA Livewell Pump - 1100 GPH - 12V - Short Nozzle [PMP-LWS11-DP]

    HYDRA™ Livewell Pump - 1100 GPH - 12V - Short NozzleThe T-H Marine HYDRA™ Livewell Pump is engineered for consistent livewell circulation with simplified service and dual-function capability for serious anglers. Backed by 4,000 hours of testing, HYDRA delivers dependable performance through an anti-airlock design that ensures reliable restarts—even when air is present in the line.Designed for durability in harsh marine environments, the pump features a precision-balanced motor and a 316 stainless steel motor shaft to reduce vibration, noise, and corrosion over time. Stator vane technology optimizes flow efficiency, while the dual-lock cartridge design allows fast motor removal and service without disconnecting hoses or plumbing.Built with versatility in mind, the HYDRA Livewell Pump includes a secondary outlet for wash-down applications, an integrated sealant channel to prevent leaks, and both short and long threaded intake options for flexible installations. Available in 600, 800, and 1100 GPH configurations and meeting ABYC, ISO, and U.S. Coast Guard standards, HYDRA is the premium solution for reliable livewell performance.Features: SHORT: 1.5" (3/4"-14) Threaded intake tube (Hole installation size: 1-1/16" FLOW RATE: 1100 GPH AMP DRAW: Approx. 5A FUSE SIZE: 6 AMP INSTALL HOLE: 1-1/16" ANTI-AIRLOCK DESIGN: Engineered to restart reliably, even with air in the line. 316 STAINLESS STEEL MOTOR SHAFT: Corrosion-resistant for long-term durability. PRECISION BALANCED MOTOR: Runs smoother with reduced vibration and noise. REMOVABLE NOZZLE: Allows quick service without disconnecting the hose. STATOR VANE TECHNOLOGY: Optimizes flow efficiency and performance. DUAL-LOCK CARTRIDGE: Designed for quick removal and fast service. SECONDARY OUTLET: Dedicated outlet for wash-down pump. SEALANT CHANNEL: Integrated to prevent leaks.

  • Sale -11% TH Marine Recessed Flapper Scupper Drains  White RFS2DP

    T-H Marine Supplies T-H Marine Recessed Flapper Scupper Drains - White [RFS-2-DP]

    Recessed Flapper Scupper Drains - WhiteThese innovative push-together scuppers easily snap together to adjust to varying hull thicknesses. The mating ribs lock the pieces together for a secure installation. The male portion can be cut off to accommodate thinner hulls. Available in two different female lengths to accommodate hulls from 1 1/2" to 3 5/8". Installs in a 1-7/8" hole. Flange O.D. is 2 15/16".Features: Low-profile design enhances aesthetic appeal while ensuring functionality Flexible thermo-plastic flappers resist curling, rotting, and loss of sealing

    $18.99 $16.99

  • TH Marine HYDRA Cartridge Bilge Pump  800 GPH  12V PMPBLG8DP TH Marine HYDRA Cartridge Bilge Pump  800 GPH  12V PMPBLG8DP

    T-H Marine Supplies T-H Marine HYDRA Cartridge Bilge Pump - 800 GPH - 12V [PMP-BLG8-DP]

    HYDRA™ Cartridge Bilge Pump - 800 GPH - 12VThe HYDRA™ Cartridge Bilge Pump is engineered for dependable marine water removal with a service-friendly cartridge design that allows rapid motor replacement without removing the pump housing. Backed by 4,000 hours of testing, HYDRA delivers consistent performance through an advanced anti-airlock design that ensures reliable restarts—even when air is present in the line.Built for long-term durability in harsh marine environments, the HYDRA Cartridge Bilge Pump features a precision-balanced motor and a 316 stainless steel motor shaft to reduce vibration, noise, and corrosion. Stator vane technology optimizes flow efficiency, while the dual-lock cartridge system allows quick, tool-free motor removal for fast servicing on the water or at the dock.Designed with OEM-friendly installation in mind, the positive-lock strainer base matches most standard mounting patterns, and the pump includes straight and 90° outlets, a backflow restrictor, and a flat seal for flexible plumbing configurations. Available in 600 GPH, 800 GPH, and 1100 GPH options and meeting ABYC, ISO, and U.S. Coast Guard standards, the HYDRA Cartridge Bilge Pump delivers reliable performance boaters can trust.Features: AMP DRAW: Approx. 4A FUSE SIZE: 5 AMPFLOW RATE: 800 GPH ANTI-AIRLOCK DESIGN: Engineered to restart reliably, even with air in the line. 316 STAINLESS STEEL MOTOR SHAFT: Corrosion-resistant for long-term durability. PRECISION BALANCED MOTOR: Runs smoother with reduced vibration and noise. REMOVABLE NOZZLE: Allows quick service without disconnecting the hose. STATOR VANE TECHNOLOGY: Optimizes flow efficiency and performance. POSITIVE-LOCK STRAINER BASE: Mounting pattern matches most manufacturers. DUAL LOCK CARTRIDGE: Designed for quick removal and fast service. INCLUDES: Straight & 90º Outlet, Backflow Restrictor, and Flat Seal

  • Sale -39% TH Marine HYDRA Livewell Pump  800 GPH  12V  Short Nozzle PMPLWS8DP

    T-H Marine Supplies T-H Marine HYDRA Livewell Pump - 800 GPH - 12V - Short Nozzle [PMP-LWS8-DP]

    20 in stock

    HYDRA™ Livewell Pump - 800 GPH - 12V - Short NozzleThe T-H Marine HYDRA™ Livewell Pump is engineered for consistent livewell circulation with simplified service and dual-function capability for serious anglers. Backed by 4,000 hours of testing, HYDRA delivers dependable performance through an anti-airlock design that ensures reliable restarts—even when air is present in the line.Designed for durability in harsh marine environments, the pump features a precision-balanced motor and a 316 stainless steel motor shaft to reduce vibration, noise, and corrosion over time. Stator vane technology optimizes flow efficiency, while the dual-lock cartridge design allows fast motor removal and service without disconnecting hoses or plumbing.Built with versatility in mind, the HYDRA Livewell Pump includes a secondary outlet for wash-down applications, an integrated sealant channel to prevent leaks, and both short and long threaded intake options for flexible installations. Available in 600, 800, and 1100 GPH configurations and meeting ABYC, ISO, and U.S. Coast Guard standards, HYDRA is the premium solution for reliable livewell performance.Features: ANTI-AIRLOCK DESIGN: Engineered to restart reliably, even with air in the line. 316 STAINLESS STEEL MOTOR SHAFT: Corrosion-resistant for long-term durability. PRECISION BALANCED MOTOR: Runs smoother with reduced vibration and noise. REMOVABLE NOZZLE: Allows quick service without disconnecting the hose. STATOR VANE TECHNOLOGY: Optimizes flow efficiency and performance. DUAL-LOCK CARTRIDGE: Designed for quick removal and fast service. SECONDARY OUTLET: Dedicated outlet for wash-down pump. SEALANT CHANNEL: Integrated to prevent leaks. SHORT: 1.5" (3/4"-14) Threaded intake tube (Hole installation size: 1-1/16" FLOW RATE: 800 GPH AMP DRAW: Approx. 4A FUSE SIZE: 5 AMP INSTALL HOLE: 1-1/16"

    20 in stock

    $94.99 $57.99

  • Sale -28% TH Marine HYDRA Livewell Pump  600 GPH  12V  Short Nozzle PMPLWS6DP

    T-H Marine Supplies T-H Marine HYDRA Livewell Pump - 600 GPH - 12V - Short Nozzle [PMP-LWS6-DP]

    18 in stock

    HYDRA™ Livewell Pump - 600 GPH - 12V - Short NozzleThe T-H Marine HYDRA™ Livewell Pump is engineered for consistent livewell circulation with simplified service and dual-function capability for serious anglers. Backed by 4,000 hours of testing, HYDRA delivers dependable performance through an anti-airlock design that ensures reliable restarts—even when air is present in the line.Designed for durability in harsh marine environments, the pump features a precision-balanced motor and a 316 stainless steel motor shaft to reduce vibration, noise, and corrosion over time. Stator vane technology optimizes flow efficiency, while the dual-lock cartridge design allows fast motor removal and service without disconnecting hoses or plumbing.Built with versatility in mind, the HYDRA Livewell Pump includes a secondary outlet for wash-down applications, an integrated sealant channel to prevent leaks, and both short and long threaded intake options for flexible installations. Available in 600, 800, and 1100 GPH configurations and meeting ABYC, ISO, and U.S. Coast Guard standards, HYDRA is the premium solution for reliable livewell performance.Features: ANTI-AIRLOCK DESIGN: Engineered to restart reliably, even with air in the line. 316 STAINLESS STEEL MOTOR SHAFT: Corrosion-resistant for long-term durability. PRECISION BALANCED MOTOR: Runs smoother with reduced vibration and noise. REMOVABLE NOZZLE: Allows quick service without disconnecting the hose. STATOR VANE TECHNOLOGY: Optimizes flow efficiency and performance. DUAL-LOCK CARTRIDGE: Designed for quick removal and fast service. SECONDARY OUTLET: Dedicated outlet for wash-down pump. SEALANT CHANNEL: Integrated to prevent leaks. SHORT: 1.5" (3/4"-14) Threaded intake tube (Hole installation size: 1-1/16") FLOW RATE: 600 GPH AMP DRAW: Approx. 3A FUSE SIZE: 4 AMP INSTALL HOLE: 1-1/16"

    18 in stock

    $64.99 $46.99

  • Sale -39% TH Marine HYDRA Livewell Pump  800 GPH  12V  Long Nozzle PMPLWL8DP

    T-H Marine Supplies T-H Marine HYDRA Livewell Pump - 800 GPH - 12V - Long Nozzle [PMP-LWL8-DP]

    HYDRA™ Livewell Pump - 800 GPH - 12V - Long NozzleThe T-H Marine HYDRA™ Livewell Pump is engineered for consistent livewell circulation with simplified service and dual-function capability for serious anglers. Backed by 4,000 hours of testing, HYDRA delivers dependable performance through an anti-airlock design that ensures reliable restarts—even when air is present in the line.Designed for durability in harsh marine environments, the pump features a precision-balanced motor and a 316 stainless steel motor shaft to reduce vibration, noise, and corrosion over time. Stator vane technology optimizes flow efficiency, while the dual-lock cartridge design allows fast motor removal and service without disconnecting hoses or plumbing.Built with versatility in mind, the HYDRA Livewell Pump includes a secondary outlet for wash-down applications, an integrated sealant channel to prevent leaks, and both short and long threaded intake options for flexible installations. Available in 600, 800, and 1100 GPH configurations and meeting ABYC, ISO, and U.S. Coast Guard standards, HYDRA is the premium solution for reliable livewell performance.Features: ANTI-AIRLOCK DESIGN: Engineered to restart reliably, even with air in the line. 316 STAINLESS STEEL MOTOR SHAFT: Corrosion-resistant for long-term durability. PRECISION BALANCED MOTOR: Runs smoother with reduced vibration and noise. REMOVABLE NOZZLE: Allows quick service without disconnecting the hose. STATOR VANE TECHNOLOGY: Optimizes flow efficiency and performance. DUAL-LOCK CARTRIDGE: Designed for quick removal and fast service. SECONDARY OUTLET: Dedicated outlet for wash-down pump. SEALANT CHANNEL: Integrated to prevent leaks. LONG: 3.5" (3/4"-14) Threaded intake tube (Hole installation size: 1-1/16") FLOW RATE: 800 GPH AMP DRAW: Approx. 4A FUSE SIZE: 5 AMP INSTALL HOLE: 1-1/16"

    $94.99 $57.99

  • Attwood Service Kit fS1200 Bilge Pumps AK55127

    Attwood Marine Attwood Service Kit f/S1200 Bilge Pumps [AK5512-7]

    7 in stock

    Service Kit for S1200 Bilge PumpsSpecifications: Outlet Diameter: 1" (25mm) & 1-1/8" (28mm) Compatible with Tsunami Bilge Mk2 Kit includes (1 each): 90-degree outlet Straight outlet Washer Non-return/check valve 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.

    7 in stock

    $17.88

  • Sale -6% Attwood Stainless Steel ThruHull Short Straight Barbed  112 Inner Diameter 665453

    Attwood Marine Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1-1/2" Inner Diameter [66545-3]

    6 in stock

    Stainless Steel Thru-Hull Short Straight Barbed - 1-1/2" Inner Diameter Polish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat?Rugged Stainless Construction: Cast from certified Enhanced 316 Stainless Steel alloy for strength and lifetime corrosion-resistance All visible areas are polished to a mirror finish, then passivate each part for additional protection Thick steel sidewalls withstand continual stress and hose flexing Faster, Simpler Installation: Each Thru-Hull is available with a new silicone gasket A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal All models have wrench flats or an end notch to hold as a gripping surface; one installer can tighten all connections from inside the hull The barbed tail ends provide plenty of room to hold multiple clamps Stainless Steel Straight Thru-Hulls, BarbedShort Thread is a more compact size, which allows installation near corners and in confined areasSpecifications: Hose size: (inch) 1-1/2" inner diameter Flange Diameter: (inch) 3" Thread O.D. (outside diameter): (inch) 1-7/8"  Thread Length: (inch) 1-1/4" Barb Length: (inch) 1-1/2" Total Length: (inch) 3-1/8" Install Hole Saw Size: (inch) 2"  Thread NPSM: (inch) 1-1/2" Max Hull Thickness: (inch) 5/8" *Stainless Steel Thru-Hull Connectors are designed for installation above the water line only Specifications: Hose Size: 1-1/2" Material: Stainless Steel Box Dimensions: 3"H x 3"W x 3"L WT: 1.2 lbs UPC: 022697665454 Quick Guide (pdf)

    6 in stock

    $61.99 $57.99

  • Sale -6%Last stock! TH Marine Large Rectangular Scupper  White LRS2DP

    T-H Marine Supplies T-H Marine Large Rectangular Scupper - White [LRS-2-DP]

    1 in stock

    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

    1 in stock

    $17.99 $16.99

  • Sale -18% THMarine PushIn Drain Plug for 112 ThruHull Drains PP150DP

    T-H Marine Supplies TH-Marine Push-In Drain Plug for 1-1/2" Thru-Hull Drains [PP-150-DP]

    14 in stock

    Push-In Drain Plug f/1-1/2" Thru-Hull DrainsThese push-in drain plugs are used to stop water flow through drains or overflows from baitwell or livewell. Also work well as plugs for sink drains and built in cooler drains.Plugs are a perfect compliment to T-H Marine overflow drain tubes.These pvc push-in drain plugs are injection molded of marine grade PVC for a long lifespan. Plugs feature a pull tab or pull ring for easy removal.  They have double seal rings to assure positive sealing. Specifications: Construction: Polymer Box Dimensions: 2"H x 4"W x 7"L WT: 0.1 lbs UPC: 733572032901

    14 in stock

    $16.99 $13.99

  • Sale -12% TH Marine Scupper Flapper Repair Kit FSRK3DP

    T-H Marine Supplies T-H Marine Scupper Flapper Repair Kit [FSRK-3-DP]

    13 in stock

    Scupper Flapper Repair KitThe flapper scupper repair kit should take care of any flapper replacement job.  The traditional flapper scuppers use molded rubber flappers that curl and deform over time, requiring replacement to prevent leaking.  Our flappers are not rubber, but are molded of a thermoplastic elastomer that is resistant to UV and the elements, so they do not curl like the rubber flappers.Repairs most scuppers with flappers, regardless of manufacturer.Kit Contains: All parts needed to repair 2 scuppers of a given size.  Each kit contains 2 each of: 1-5/8" flappers, 1-7/8" flappers, and all necessary keepers and fasteners.

    13 in stock

    $16.99 $14.99

  • Attwood Scupper Valve 38763 Attwood Scupper Valve 38763

    Attwood Marine Attwood Scupper Valve [3876-3]

    13 in stock

    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 Caution: Thru-Hull connectors are designed for installation above the water line only.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.

    13 in stock

    $12.99


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