55 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-497)

Description

The Custom Roto-Mold 55 Gallon RV Holding Tank (Part# H-497) is engineered to meet the demanding requirements of mobile water and waste storage for RVs, campers, trailers, and marine vessels.

Manufactured using a rotationally molded, seamless design, this tank delivers superior durability—resisting cracks, leaks, and structural fatigue even under road stress and frequent use. Built from FDA-approved polyethylene resin, it complies with FDA 21 CFR 177.1520 (1) 3.1 and 3.2, making it safe for storing fresh, grey, or black water.

Need help with sizing or installation? The Tank Superstore team is here to provide expert support and personalized recommendations for your project.

Key Features

• 55-Gallon Capacity: Suitable for mid- to large-size RV and mobile systems requiring expanded water or waste storage.
• FDA-Compliant Polyethylene: Made from food-grade resin safe for potable water and wastewater use.
• One-Piece Seamless Design: Reduces the risk of leaks and structural weakness.
• Low-Profile Tank: Just 9" high—ideal for under-bed or shallow bay installations.
• Lightweight Yet Sturdy: Weighs 27 lbs while maintaining high durability for road travel.
• Blank Configuration: Ships without pre-installed fittings, ideal for DIY customization.
• UV & Impact Resistant: Built for rugged outdoor conditions and varying climates.
• Made in the USA: Manufactured with strict quality control standards for dependable performance.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-497
• Capacity: 55 Gallons
• Dimensions: 54.25" L x 34" W x 9" H
• Weight: 27 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.