Holding Tank Accessories

Holding tank accessories for marine wastewater holding systems. Find everything you need to build and maintain your marine waste water holding system.

  • Sale! PVC Fitting Multi

    Dometic PVC Hose Fittings 1.5″

    Price range: $9.00 through $37.00

    We offer various Dometic PVC hose fittings for 1.5″ pipe to allow you to build a custom pipe and hose systems. This will allow you to have an ideal setup for your boat or RV.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Sale! Mulit Uniseal / Sealing Grommet

    Sealing Grommet / Uniseal

    Price range: $7.99 through $62.99

    Sealing Grommet / Uniseal by Dometic. These are available in various diameters to choose from.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Sale! Odorsafe Plus Sanitation Hose

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

    Original price was: $80.00.Current price is: $70.00.

    Sold in 5’ Increments. For example, if your order a quantity of 2 you will receive 10 continuous feet of hose.  If you order a quantity of 10, you will receive 50 continuous feet.

    Add to cartLoading Done
  • Sale! Dometic TankSaver Relief Valve - 313255247

    Dometic TankSaver Relief Valve 313255247

    Original price was: $77.99.Current price is: $63.00.

    Protect your marine or RV sanitation system with the Dometic 313255247 Tanksaver. This essential component is designed to prevent implosion in your holding tank, safeguarding against potential damage and costly repairs. The Tanksaver automatically vents excess vacuum, ensuring your tank operates within safe limits at all times. Easy to install and engineered for long-lasting performance, the Dometic 313255247 Tanksaver is a crucial addition to any sanitation system, providing peace of mind and reliable protection for your equipment.

    Add to cartLoading Done
  • Sale! Dometic EcoVent Filter - 9108849515

    Dometic Eco Vent Filter – Complete Kit 309311004 DVF

    Original price was: $168.99.Current price is: $120.00.

    Dometic Eco Vent Filter

    Add to cartLoading Done
  • Sale! 385311272 1.5" Machine Nipple

    1.5″ Closed Machined Nipple / Fitting 385311272

    Original price was: $70.99.Current price is: $45.00.

    1.5″ Closed Machined Nipple for Dometic sanitation systems.

    Add to cartLoading Done
  • Sale! Stainless Steel Hose Clamp for Marine Sanitary Systems - 1-1/16" - 2"

    1 1/16″ – 2″ SS Hose Clamp for Sanitation Systems

    Original price was: $4.40.Current price is: $2.47.

    The Aquastar Distributors stainless steel hose clamp for marine sanitations system is a high-grade stainless steel clamp that is designed to be reliable for many years. You need quality stainless steel hose clamps that will allow you to trust your system. The size range is 1-1/16″ to 2″.

    Add to cartLoading Done
  • Sale! Dometic 385311252 Flange Adapter

    Flange Adapter Fittings 1.5″ FPT 385311252

    Original price was: $66.99.Current price is: $12.99.

    Flange Adapter Fittings 1.5″ FPT for holding tanks.

    Add to cartLoading Done
  • Sale! Dometic / Sealand Dip Tube Kit - 385310660 / 9108558205

    Universal Dip-Tube for Tank Discharge 385310660

    Original price was: $83.99.Current price is: $67.00.

    Universal Dip-Tube for Tank Discharge

    Add to cartLoading Done
  • Sale! Dometic 90° 1.5 X 1.5 MPT Elbow

    90° 1.5″ X 1.5″ MPT Elbow

    Original price was: $70.99.Current price is: $45.00.

    90° 1.5″ X 1.5″ MPT Elbow for marine sanitation systems.

    Add to cartLoading Done
  • Sale! 3 In FPT Holding Tank Adapter Kit Without Cap

    3″ FPT Holding Tank Adapter / Clean Out

    Price range: $58.13 through $63.27

    3″ FPT Holding Tank Adapter / Clean Out. Available with or without cap.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page