Marine Water & Waste Holding Tanks and Accessories

At AquaStar Distributors, we have a variety of marine water and waste holding tanks and accessories to maintain components of your boat’s vital plumbing system! Holding tanks are used to hold freshwater, wastewater, and wash water. Our durable marine holding tanks are easy to install on boats, yachts, cruisers, or other marine vessels and designed to withstand the rigors of sea travel. Explore everything from Dometic’s basic holding tanks, tank monitors, vent filter complete kits, and sanitation hoses to relief valves, hose adaptors, tank monitor replacement probes, and vent filter replacement cartridges. Check out the full marine water and waste holding tanks and accessories below!

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  • Dometic Ultra Dissolving 2 ply Toilet Tissue (4-Pack)

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  • Universal Dip-Tube for Tank Discharge

    Sale! $52.60
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  • Holding Tank Monitor Probes

    Dometic Holding Tank Monitor Replacement Probes

  • 20 gallon Holding tank with Fittings.

    Dometic HTS Basic

    Sale! $530.47$705.03
  • Dometic Odor Safe Hose

    1-1/2”; Odorsafe Plus Sanitation Hose (5’ Increments)

    Sale! $48.63
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  • 1.5" Uniseal

    1.5″ Uniseal

    Sale! $5.99
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  • Barbless/ Smooth Hose adapter 1.5"

    Custom 1.5″ Hose adapter / Hatteras Fittings

    Sale! $6.99
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  • TankSaver For

    TankSaver Relief Valve

    Sale! $53.87
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  • Dometic Tank Monitor panel and adjustable Probes

    Dometic Tank Monitor

    Sale! $309.00$450.03
  • Threaded Nipple

    1.5″ Closed Machined Nipple Fitting

    Sale! $48.37
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  • Dometic EcoVent filter

    Dometic SeaLand Eco Vent Filter – Complete Kit

    Sale! $89.99 or $80.99 / year
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Showing all 11 results