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      Freshwater Systems

      • Sea Dog Replacement Deck Fill Water Cap- Blue
        $9.49
        $6.99

        Sea Dog Replacement Deck Fill Water Cap- Blue Features: Fits Sea Dog brand 1-1/2" Deck Fills Cap molded from Fiberglass Filled Nylon The cap threads are 1-1/4" - 11-1/2 NPSM - Straight Gas, diesel and water caps include attachment chains Built-in key...

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      • Shurflo Aqua King II Premium 4.0 Fresh Water Pump
        $351.99
        $239.49

        Shurflo Aqua King II Premium 4.0 Fresh Water Pump The Shurflo Aqua King II Premium Fresh Water Pump is designed for boats with multi-fixtures, providing "just like home" pressure. A built-in mechanical bypass function enables this pump to operate at...

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      • Sea Dog Washdown Water Outlet
        $29.99
        $23.99

        Sea Dog Washdown Water Outlet Allows for garden hose hookup to onboard water system for use as washdown system. Standard male hose connector. Requires separate ball or gate valve to regulate water flow. 1/2" FIPT x 3/4" MGHT.

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      • Starbrite Aqua Water Shock
        $21.99
        $13.49

        Starbrite Aqua Water Shock Water Freshener Use Starbrite Aqua Water Shock to instantly remove bad tastes or smells from boat or RV potable water. Features: Instantly removes bad taste or smells from boat or RV’s potable water. Ideal for use...

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      • Shurflo In-Line Check Valve - 1/2" Barb
        $22.99
        $17.49

        Shurflo In-Line Check Valve - 1/2" Barb The Shurflo In-Line Check Valve allows water to flow in only one direction helping to safeguard against back surge pressure up to 100 PSI. Its small size allows for quick and easy installation...

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      • Shurflo Twist-On Strainer - 1/2" Pipe
        $15.99

        Shurflo Twist-On Strainer - 1/2" Pipe Clean, clear economical strainers eliminate unnecessary repairs by keeping debris and other particles out of the pump. Screws directly on the pumphead. Transparent design shows when it is time to clean the bowl...

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      • T-H Marine 25' Coiled Wash Down Hose Blue
        $70.14
        $60.99

        T-H Marine 25' Coiled Wash Down Hose w/ Nozzle This high quality wash down hose from T-H Marine keeps decks clean and clear! Coiled hose design resists kinking and all hose fittings and nozzles are non-corrosive. Choose from blue or white colored hose...

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      • Shurflo Aqua King II Supreme 5.0 Fresh Water Pump
        $393.29
        $341.99

        Shurflo Aqua King II Supreme 5.0 Fresh Water Pump The Shurflo Aqua King II Supreme Fresh Water Pump is designed for boats with multi-fixtures, providing "just like home" pressure. A built-in mechanical bypass function enables this pump to operate at...

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      • TRAC On-Board Washdown Pump 70PSI
        $199.99
        $135.99

        TRAC 69381 Super Duty On-Board Washdown Pump Keep your deck, fish boxes, and anchor chains clean with the TRAC Super Duty Washdown Pump. This 12 volt pump is self-priming, runs quiet, and has a vibration dampening mounting base. A sealed pressure switch...

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      • Camco Permanent Water Heater By-Pass Kit
        $38.49
        $27.99

        Camco Permanent Water Heater By-Pass Kit Simple, permanent installation of the Camco Permanent Water Heater By-Pass Kit allows you to easily drain your water heater for winterizing. Comes with two brass valves, which provide non-restrictive flow...

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      • Johnson Pump Shower Sump Multiports - 100 GPH
        $176.99
        $109.99

        Johnson Pump Shower Sump Multiports - 1000 GPH Johnson Pump offers a compact shower pump that offers multiple tapping points and can meet the higher demands from boats. The tight fitting lid minimizes odors and splashing. Can handle waste water from...

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      • Sierra Silverado 4000 3/8" Fuel Line
        $48.99
        $39.99

         Sierra Silverado 4000 3/8" Fuel Line The Silverado 4000 fuel line is the best B1 fuel line in the market place. The Silverado hose has a small O.D., is extremely flexible and easy to clamp. Fuel Line is resistant to ethanol blended fuels...

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      • Groco PNC Series Check Valve
        $15.40
        $13.39

        Groco PNC Series Check Valve Groco PNC Series Check Valves are made from PN series cast bronze nipples. A check valve is placed inside to prevent back-flow in plumbing systems. The check valve imposes almost zero flow restriction, and requires less than...

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      Freshwater Systems & Pumps

      Routine boat maintenance is key to carefree recreational boating. Did you know many of your boat’s systems are intended to be flushed with water to extend their service life? Wholesale Marine stocks an extensive selection of boat freshwater systems and related components including ballast pumps, deck fills and caps, water heaters, water systems, hoses and clamps, even faucets and shower heads for your galley and head. We carry freshwater systems from the leading manufacturers like CamcoFloJetHoseCoilJabscoJohnson PumpMoeller MarineQuickSea Dog MarineShurflo, and Whale Marine. If you’re not certain which replacement parts are right for your system, just ask our knowledgeable staff!

      Looking at replacement boat water pumps? Shurflo Aqua King II Premium 4.0 Fresh Water Pump is designed for multi-fixture applications and can even operate in low flow rate conditions. Is tight space a concern? Whale’s V-Pump Self Priming Manual Water Pump for Galleys is ideal for use where space is limited and it functions well using fresh and saltwater. A key benefit to FloJet’s Premium Quad System Water Pump is that it can run dry without damage to the components. Another great product from FloJet is their Water Booster System that supplies continuous water pressure that may be adjusted from a trickle to full-force. This unit is easy to install- just connect the water lines and plug in the cord. 

      Everything for Your Boat Including Replacement Water Pumps

      If all you need is a freshwater system replacement part, Wholesale Marine has your back with Water System StrainersShow Sump Drain Systems, even Water Heater By-Pass Kits. You won’t need to cruise the aisles at the warehouse stores for replacement Deck Fill CapsCheck ValvesBlow-Out Plugs, or Water Outlet Fittings either.

      From the smallest to the biggest ticket items, if your boat needs it, Wholesale Marine stocks it. You’ll find we have competitive prices and offer same day, flat rate shipping on most items. Returns are quick and easy and with our Loyalty Rewards Program you’ll earn points you can redeem on your very next purchase. Give us a call Monday through Friday from 9:00 AM until 6:00 PM EST at (877) 388-2628 for the best customer service experience in the industry!