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30 Gallon RV Waste Black Water Holding Tank WT-3000
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30 Gallon RV Waste Black Water Holding Tank WT-3000
RV Waste Water Holding Tank MADE IN THE USA by Class A Customs using Medium Density Polyethylene (MDPE) Resin
30 Gallon RV Waste Black Water Holding Tank WT-3000
Item #: 18340100

30 Gallon RV Waste Black Water Holding Tank WT-3000

88% of respondents would recommend this to a friend

Item #: 18340100

NZD 383

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RV Waste Water Holding Tank MADE IN THE USA by Class A Customs using Medium Density Polyethylene (MDPE) Resin
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What Stands Out

High Capacity
With a 30-gallon capacity, this holding tank efficiently manages waste for extended trips, reducing the frequency of disposal and enhancing convenience for RV users.
Durable Construction
Crafted from high-quality materials, the WT-3000 resists cracking and damage, ensuring long-lasting performance and reliability for all your RV adventures.
Easy Installation
Designed for straightforward setup, this tank features user-friendly connections that simplify the process, making it an ideal choice for both experienced and novice RV enthusiasts.

Product Details

Get high-quality Class A Customs 30 Gallon RV Waste Black Water Holding Tank. Made in the New Zealand using Medium Density Polyethylene (MDPE) Resin. Perfect for waste/gray water use. Buy now and ensure a secure installation for your RV. Shop at Ubuy New Zealand
  • Made in the USA by Class A Customs using Medium Density Polyethylene (MDPE) Resin
  • Not for fresh or drinking water use – waste/gray water use only
  • Seamless one-piece construction, no seams to burst
  • Includes 3” ABS female pipe outlet; dump valves do not hook directly to the outlet
  • Inlet and vent installation hardware not included, tank must be vented and not pressurized
  • Mounting and bracing required to secure the tank and prevent movement
Package Weight11 Pound

Who Should Buy?

Suitable For
  • Full-Time RVers

    Ideal for users living in their RVs full-time, providing ample waste storage for extended travels.

  • Camping Enthusiasts

    Perfect for camping trips where nearby restroom facilities are limited, ensuring a clean experience.

  • Long Road Trips

    Great for those embarking on long road trips, allowing for comfortable waste management along the journey.

Not Suitable For
  • Small RV Owners

    Not suitable for smaller RVs with limited capacity; may take up too much space.

Product Description

30 Gallon RV Waste Black Water Holding Tank WT-3000

About This Item

Introducing the Class A Customs 30 Gallon RV Waste Black Water Holding Tank WT-3000 Upgrade your RV's waste management system with the Class A Customs 30 Gallon RV Waste Black Water Holding Tank WT-3000. Made in the USA using Medium Density Polyethylene (MDPE) Resin, this waste tank is designed to handle all your RV waste needs. Please note that this tank is not intended for fresh or drinking water use.

It is specifically designed for waste or gray water use only. With its seamless one-piece construction, you can trust that this tank will not have any leaks or bursts, ensuring the durability and reliability of your RV's waste management system. Certified technicians are recommended for the installation of all parts to prevent product damage and personal injury. It is important to properly prepare the tank before use by cleaning it to remove any debris, scuffs, or markings from the manufacturing process. The installed outlet features a 3" ABS female pipe, which cannot be moved.

It is crucial not to over-tighten the fittings, as this could cause damage. For dump valves, it is advised to run PVC or ABS piping from the outlet and then add the dump valve to the piping. The Class A Customs Black Water Tank comes with only the outlet.

The end user will determine the placement and installation of the inlet and vent, as necessary. Please note that hardware for the inlet and vent is not included with the tank. Remember that the tank must be vented to allow for air in and out during use.

Do not pressurize the tank and avoid over-tightening the fittings to prevent any damage. To ensure the safety and stability of the tank, it is essential to properly mount and brace it. This will prevent any movement or damage, especially when the tank is loaded. Avoid placing any weight on the tank to maintain its integrity and functionality. With its reliable construction and thoughtful design, the Class A Customs 30 Gallon RV Waste Black Water Holding Tank WT-3000 is a must-have for any RV owner looking to upgrade their waste management system.

Shop now and enjoy a hassle-free camping experience with this high-quality waste tank.

Have any Query? Chat with us

Product Buying Guide

The Class A Customs 30 Gallon RV Waste Black Water Holding Tank WT-3000 is a reliable and durable solution for waste water management in RVs, campers, trailers, motorhomes, and tiny houses. Made in the USA using Medium Density Polyethylene (MDPE) Resin, this tank is designed specifically for waste/gray water use and offers seamless one-piece construction for enhanced durability. It comes with an outlet, but the inlet, vent, and additional fittings need to be installed by the end user. Proper preparation, installation, and maintenance are essential for optimal performance and safety.

Product Specifications

  • Medium Density Polyethylene (MDPE) Resin
  • 30 Gallons
  • Black
  • Outlet included, inlet and vent installation by end user, hardware not included

Key Features

  • One-piece construction to prevent seam bursts
  • Specifically designed for waste/gray water use, not for fresh or drinking water
  • Comes with a 3” ABS female pipe outlet

Usage Scenarios

  • Ideal for use in RVs for managing waste water
  • Suitable for waste water storage in campers and trailers
  • Designed for waste water management in motorhomes
  • Well-suited for waste water solutions in tiny houses

Usage Scenarios

This product competes with similar RV waste water holding tanks available in the market.

Some User Review

  • Users appreciate the sturdy construction and seamless design of the tank.
  • Some users find it easy to install with proper preparation and mounting.
  • Overall, users are satisfied with the quality and performance of the tank for waste water management.

Competitors

  • Offers good value for the price compared to similar products in the category.
  • Provides a cost-effective waste water management solution for RVs and similar applications.

Buying Considerations

  • Buyers should consider the need for proper installation, including inlet and vent placement.
  • Proper cleaning and maintenance are crucial for optimal performance and longevity of the tank.
  • End users need to account for the inlet, vent, and additional fittings required for installation.

Conclusion

The Class A Customs 30 Gallon RV Waste Black Water Holding Tank WT-3000 is a reliable and cost-effective solution for waste water management in RVs, campers, trailers, motorhomes, and tiny houses. With its sturdy construction, seamless design, and affordable pricing, it offers a practical choice for users seeking a dependable waste water holding tank.

View Less

The Class A Customs 30 Gallon RV Waste Black Water Holding Tank WT-3000 is a reliable and durable solution for waste water management in RVs, campers, trailers, motorhomes, and tiny houses. Made in the USA using Medium Density Polyethylene (MDPE) Resin, this tank is designed specifically for waste/gray water use and offers seamless one-piece construction for enhanced durability. It comes with an outlet, but the inlet, vent, and additional fittings need to be installed by the end user. Proper preparation, installation, and maintenance are essential for optimal performance and safety. Continue Reading

Customer Questions & Answers

  • Question: What are the dimensions of the Class A Customs 30 Gallon RV Waste Black Water Holding Tank WT-3000?

    Answer: The Class A Customs WT-3000 measures approximately 36 inches in length, 24 inches in width, and 12 inches in height. This compact sizing makes it suitable for a variety of RV models while maximizing storage space. Knowing the dimensions is important to ensure a proper fit in your RV storage compartment. This tank is ideal for RV owners seeking a reliable solution for managing waste while on long trips.
  • Question: How is the Class A Customs 30 Gallon tank installed in an RV?

    Answer: Installation of the Class A Customs 30 Gallon tank typically involves removing the existing tank and connecting the plumbing and vent lines to the new tank. It's advisable to follow the manufacturer’s instructions for precise guidance. Ensuring proper seals and fittings during installation not only prevents leaks but also ensures optimal function. RV enthusiasts will find that upgrading to this tank enhances their waste management system during extended travel.
  • Question: What materials is the Class A Customs holding tank made of?

    Answer: The Class A Customs 30 Gallon waste holding tank is constructed from high-density polyethylene, which provides excellent durability and resistance to chemicals. This material selection is crucial for long-term use, as it withstands harsh conditions typical of RV environments. Choosing a tank made from robust materials ensures that it can handle the rigors of travel and effectively contain waste without risk of cracking or degradation.
  • Question: Can the Class A Customs tank be used with different RV brands?

    Answer: Yes, the Class A Customs 30 Gallon tank is designed to be compatible with various RV brands. Although it’s important to check specific mounting requirements, its universal size and design accommodate many models. This flexibility makes it a versatile choice for RV owners who wish to upgrade or replace their existing waste management systems without being limited to specific brands.
  • Question: What are the benefits of a 30-gallon holding tank?

    Answer: A 30-gallon holding tank provides a balanced capacity for waste storage, ideal for both weekend trips and extended travels. It offers enough space for waste collection without being overly bulky, allowing for efficient use of RV storage. For families or groups, this size enables more intermittent stops and less frequent emptying, making your travel experience easier and more enjoyable.
  • Question: Is the Class A Customs holding tank odor-resistant?

    Answer: Yes, the Class A Customs 30 Gallon Waste Black Water Holding Tank is designed to minimize odors effectively. Its airtight seals and high-density polyethylene construction help contain unpleasant smells, improving the overall comfort within your RV. By using a tank with odor-resistant features, RV owners can enjoy a fresher environment during their travels, particularly during hot weather when odors can intensify.
  • Question: How does the tank handle waste disposal?

    Answer: The Class A Customs 30 Gallon tank simplifies waste disposal with a standard ¾-inch output fitting that connects to most RV dump stations. Operators should ensure all connections are secure before use. Proper disposal follows a straightforward process, making it easier for users to manage wastewater without complications. This efficient design assists RV owners in maintaining hygiene and cleanliness while on the road.
  • Question: Can I purchase additional accessories for the tank?

    Answer: Yes, various accessories can enhance the use of the Class A Customs 30 Gallon holding tank, such as fittings, hoses, and mounting brackets. These accessories ensure compatibility and improve functionality. Adding these components can streamline your waste management system, making emptying and maintenance more convenient. Be sure to check for specific accessories designed to work with the WT-3000 model.
  • Question: How does the holding tank perform in extreme temperatures?

    Answer: The Class A Customs holding tank is engineered to withstand extreme temperatures, both hot and cold. Its high-density polyethylene material maintains its integrity under various climate conditions. This resistance is beneficial for RV owners who travel in diverse environments, knowing their waste management system will perform reliably regardless of external temperatures. Therefore, it’s a dependable choice for any RV adventure.
  • Question: Where can I buy the Class A Customs 30 Gallon RV Waste Black Water Holding Tank WT-3000?

    Answer: You can purchase the Class A Customs 30 Gallon RV Waste Black Water Holding Tank WT-3000 from Ubuy in New Zealand. Ubuy offers a range of RV products, ensuring a smooth shopping experience. With their extensive inventory, you'll find additional accessories and related items that can enhance your RV’s waste management system. Ubuy is a reliable source for your RV needs.

classAcustoms Waste Water Tanks Editorial Review

The Class A Customs 30 gallon RV waste black water holding tank is a sturdy tank made of 1/4" thick material. The tank dimensions are 23.75" wide, 55.75" long and 8" high, and it has one PVC drain pipe. There are no inlets on the tank, but the customer can measure and determine where to place the inlet using a hole saw bit and a grommet. There is no thread plug on top of the tank, but an adapter kit is sold separately to match the customer's existing service. The tank fits well and is a perfect replacement for a camper or can be added to a food truck. It can also be used as a solar shower tank. However, one customer had a defective product and was dissatisfied with the return policy. Another customer wished the installation kit was included or referenced.

Customer Reviews & Ratings

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Pros

  • Sturdy tank made of 1/4" thick material
  • Perfect fit and replacement for campers and food trucks
  • Can be used as a solar shower tank
  • Customer can put inlet wherever they want

Cons

  • No inlets on tank, customer will need to measure and determine where to place inlet

Platform Trust & Buyer Confidence

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4.1/5 355 reviews
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Ranee
Verified buyer

“Paint ordered from USA, u buy got the product to me in New Zealand in approx a week”

22 July 2026 · via Trustpilot
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NordVPN
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“very speedy delivery,tracking info was superb-best experikence ever!!!”

24 June 2026 · via Trustpilot
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Nicholas
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“Love what I received and ordered found that usa clothes are more better quality and look better than the same clothes in my country but are harder to find here recommend ubuy 100%”

22 June 2026 · via Trustpilot
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Dneah
Verified buyer

“Product came earlier than expected (shipped from US to NZ), in about 3 weeks. No damages and product was exactly as advertised!”

15-Jul-26 · via Trustpilot
TS
Tania
Verified buyer

“Easy to order, easy to track and the product is great to use. Also, the person-to-person (not automated) phone call I got to confirm that I'd received the item was wonderful ??”

11-Jul-26 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

NZD 383

Order now and get it around Thursday, September 10

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
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  • dhl
Fastest cross-border delivery

Features & Benefits

  • Made in the USA by Class A Customs
  • Made with Medium Density Polyethylene (MDPE) Resin
  • Tank is not for fresh or drinking water use - waste/gray water use only
  • One-piece construction, no seams to burst
  • TANK MUST BE VENTED allowing air in and out when in use
  • Be sure to secure tank to prevent movement and be sure to secure due to weight when loaded

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