18 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-566)

Description

The Custom Roto-Mold 18 Gallon RV Holding Tank (Part# H-566) is engineered to meet the requirements of mobile liquid storage applications in RVs, campers, trailers, and portable sanitation setups.

Built with rotationally molded, seamless construction, this tank offers superior resistance to cracks, chips, and ruptures, even in high-impact, vibration-heavy environments. Manufactured using FDA-approved polyethylene resin, it complies with FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring safe storage for potable water or wastewater.

Designed for easy integration into compact spaces, this 18-gallon tank combines durability, portability, and compliance. The Tank Superstore team is ready to help you find the right tank and fittings for your application.

Key Features

• 18-Gallon Capacity: Ideal for small RVs, trailers, or secondary water/waste systems.
• Rotationally Molded Design: Seamless, single-piece body prevents leaks and structural failures.
• FDA-Compliant Resin: Crafted from potable-safe polyethylene that meets FDA standards.
• Compact Profile: Stands 8.75" high, making it great for tight compartments or under-floor installs.
• Durable Material: Resistant to UV exposure, vibration, impact, and chemical corrosion.
• Blank Configuration: Ships without fittings, giving you complete flexibility for custom plumbing.
• Lightweight Construction: Weighs only 10 lbs, allowing for easy handling and installation.
• Made in the USA: Produced under high manufacturing standards for long-lasting performance.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-566
• Capacity: 18 Gallons
• Dimensions: 30" L x 19.875" W x 8.75" H
• Weight: 10 lbs
• Material: FDA-Compliant Polyethylene
• Wall Thickness: Approx. 0.25"
• Color: Natural (Translucent White)
• Fittings: Blank (No pre-installed fittings)
• Manufacturing Location: USA
• Application: Fresh, Grey, or Black Water
  

Shipping & Warranty

Shipping Information

• Manufacture Lead Time: 3-5 Weeks 
  
• Ships From (State): ID
  

Products are subject to freight or parcel shipping costs. Shipping charges are calculated at checkout based on delivery location, product size, weight, and carrier requirements.

Each tank is manufactured and assembled in the USA using high-quality materials and strict quality control standards—built for long-term, dependable use in demanding applications.

Warranty Information

Custom Roto-Molding tanks are covered by a 5-year manufacturer warranty from the date of original purchase against defects in material and workmanship. Coverage applies to tanks that are correctly installed and have not been subjected to abuse or misuse, and is for the benefit of the original end user. The warranty does not cover misuse, fire, accident, negligence, transit damage, unauthorized modifications, excessive external pressure, abnormal use, product loss through leakage, or related injury/property damage. Manufacturer liability is limited to repair or, at its option, replacement of a qualifying defective product, subject to written notice within the warranty period and return of the item to the point of manufacture with transportation prepaid. For warranty details or to initiate a warranty claim, please contact Tank Supply Direct at info@tanksupplydirect.com.