56 Gallon Custom Roto-Mold RV Water Tank (MPN: W-359)

Description

The Custom Roto-Mold 56 Gallon RV Water Tank (Part# W-359) is engineered to meet the requirements of mobile water storage applications. Built with rotationally molded polyethylene resin, this tank offers long-lasting strength and safe potable water containment in a wide range of mobile environments.

Commonly used in recreational vehicles, campers, food trucks, and tiny houses, this tank provides reliable mid-capacity storage while maintaining a slim, extended profile ideal for narrow installation areas.

The tank’s seamless, one-piece design resists cracks, chips, and ruptures, making it well-suited for mobile conditions. Constructed using FDA-approved polyethylene, it meets FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring safe, hygienic storage of drinking water.

Key Features

• 56-Gallon Capacity: Offers ample water storage for extended-use mobile applications.
• Rotationally Molded Polyethylene: Seamless, one-piece tank provides excellent structural integrity and leak prevention.
• FDA-Compliant Materials: Manufactured with food-grade polyethylene safe for potable water storage.
• Slim & Elongated Design: Extended length allows installation in narrow or linear spaces with limited width.
• Durable & Travel-Ready: Resists road vibration, impact, and long-term wear.
• Blank Configuration: Ships without fittings for full customization of inlet and outlet locations.
• Made in the USA: Proudly manufactured in Oregon using high-quality polyethylene resin.
  

Specifications

• Product Type: RV Fresh Water Tank
• Part Number: W-359
• Capacity: 56 Gallons
• Dimensions: 89.875" L x 17.375" W x 12" H
• Weight: 27 lbs
• Material: FDA-Compliant Polyethylene
• Color: Natural (Translucent White)
• Fittings: Blank (No pre-installed fittings)
• Manufacturing Location: Oregon, USA
• Application: Potable 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.