21 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-563)

Description

The Custom Roto-Mold 21 Gallon RV Holding Tank (Part# H-563) is engineered to meet the requirements of mobile liquid storage for RVs, trailers, campers, and portable sanitation systems.

Built with a seamless, rotationally molded construction, this tank provides superior durability and resistance to cracks, chips, and ruptures, even in demanding environmental and travel conditions. Manufactured from FDA-approved polyethylene resin, it meets FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it safe for potable water storage and waste holding.

Compact and versatile, the 21-gallon capacity makes it an excellent choice for a variety of mobile applications. The Tank Superstore team is available to provide expert advice and support to ensure the right fit for your setup.

Key Features

• 21-Gallon Capacity: Suitable for compact RVs, trailers, van conversions, and portable restrooms.
• Rotationally Molded Design: One-piece, seamless body resists leaks, cracks, and weak spots.
• FDA-Compliant Resin: Made with food-grade polyethylene safe for potable water and approved waste systems.
• Ultra-Slim Profile: Just 6" high, ideal for tight underfloor compartments or shallow enclosures.
• Impact-Resistant Polyethylene: Withstands road vibration, chemical exposure, UV radiation, and temperature fluctuations.
• Blank Tank Setup: Ships without fittings, giving you flexibility to install ports as needed.
• Lightweight Construction: Weighs only 14 lbs, making transport and installation simple.
• Manufactured in the USA: Produced with high-quality materials and standards.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-563
• Capacity: 21 Gallons
• Dimensions: 48.5" L x 22.5" W x 6" H
• Weight: 14 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.