Dometic 40 HTS-HRZ Basic Series Waste Water Holding Tank System - 34 Gallon
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Dometic 40 HTS-HRZ Basic Series Waste Water Holding Tank System - 34 Gallon

Dometic 40 HTS-HRZ Basic Series Waste Water Holding Tank System - 34 Gallon

  • Capacity: 34 Gallons, Dimensions: 16" x 21.75" x 30"
  • Orientation: Horizontal, Material: Odor Free High-Strength Polyethylene
  • Includes (3) 1-1/2" Fittings and 5/8" TankSaver Relief valve
  • Item #: 
    Dometic(formerly SeaLand)
    Model #: 
    Shipping Weight: 
    58.06 Lbs.
    List Price: 
    Reg. Price:
    Sale Price:



    Shipping weight reflects calculated Dimensional Weight and is not actual product weight - see here for details.

    Virtually any boat with room for a holding tank can now incorporate the advantages of Dometic’s premium-quality Holding Tank Systems.

    Leak-proof Design- Top-mounted hose connections eliminate standing liquid in discharge hose, preventing odor permeation through hose.

    Odor-free, Highly Durable Tank- 100% virgin polyethylene resin with extra-heavy wall thickness prevents odor permeation and resists corrosion.

    Implosion Protected- TankSaver® vacuum relief valve prevents damage from dockside pumps that use very high levels of vacuum.

    ISO/USCG Compliant- Dometic holding tanks fully comply with the ISO 8099:2000(E) standard and applicable U.S. Coast Guard requirements.

    System Features:

    • Heavy-duty 3/8" polyethylene
    • TankSaver® relief valve
    • Inspection port
    • Inlet
    • Vent outlet
    • Two discharge outlets

    Tank capacity: 34 gal. (129 L)
    Empty weight: 41 lbs. (18.6 kg)
    Full weight: 327 lbs. (147.9 kg)
    Inlet fitting size: 1-1/2 in. (38.1mm)
    Outlet fitting size: 1-1/2 in. (38.1mm)
    Vent outlet size: 5/8 in. (15.9mm)
    Dimensions: 16"H x 21-3/4"W x 30"D Horizontal

    WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to


    Dometic DTM01 Holding Tank Monitor
    Item #: 501421
  • Monitors Level in (1) Waste Holding Tank - with Full Tank Alert
  • Power: 12 / 24 Volt DC, Includes (1) 1-Level Probe Assembly
  • Cutout: 1" dia., Dimensions (Panel): 3-1/4" x 2"
  •  Include

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    Model #:

    Dometic OdorSafe Hose Plus - 1-1/2 Inches
    Item #: 502434
  • Diameter: 1-1/2" ID, Color: White
  • Material: PVC Reinforced with PVC Helix, Tolerance: 270 PSI
  • Sold by the Foot, ( 50 feet Maximum Continuous Length )
  •  Include

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    Model #:

    Dometic ECO Holding Tank Vent Filter Kit
    Item #: 503469
  • Applications: Replacement for all Dometic and Dometic Vent Filters
  • Includes: Mounting Brackets and Hose Fitting Adapters for All Size Vent Hoses
  • Yearly Replacement is Recommended
  •  Include

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    Model #:

    Dometic Universal Holding Tank Cleanout Kit
    Item #: 753760
  • Applications: Installs Easily on Any Rigid Holding Tank
  • Includes 3" Inspection Port, Cap, O-Ring, Gasket and Stainless Hardware
  • Function: Provides Easy Access to Tank Interior for Inspection / Cleaning
  •  Include

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    Model #:

    Dometic Holding Tank Diptube Kit
    Item #: 502436
  • Function: Prevents Clogging and Minimizes Tank Residual
  • Applications: Tanks Up To 30 Inches Deep
  • Cutout: 3"
  •  Include

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    Model #:

    Forespar Waste Deck Fill
    Item #: 300826
  • Type: Waste, Material: Marelon, Flange Diameter: 4"
  • Designed for 1-1/2" ID Hose
  • Color-Coded Black Easy Identification of Waste Fill
  •  Include

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    Model #:

    Whitecap Tank Vent With Wire Screen
    Item #: 300829
  • Straight
  • 5/8" hose
  • Commonly Used on Fuel Tanks but Will Work With Any Tank
  •  Include

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    Model #:

    Whitecap Fuel Tank Vent with Wire Screen
    Item #: 300830
  • Type: Angled (90 Degrees), Material: 316 Stainless Steel
  • Applications: 5/8" Inside Diameter Hose, Hole size is 3/4"
  • Commonly Used on Fuel Tanks but will Vent Any Tank
  •  Include

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    Model #:

    Dometic Max Control Advanced Holding Tank Deodorant
    Item #: 753911
  • Odor Control Formula also Breaks Down Waste and Toilet Tissue
  • Mix Ratio: 4 ounces per 40 Gallons of Holding Tank Capacity
  • Package: 6 Ounce Contains (3) 2 Ounce Pouches, Concentrated Formula
  •  Include

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    Model #:

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