33 Gallon Custom Roto-Mold RV Water Tank (MPN: W-558)

Description

The Custom Roto-Mold 33 Gallon RV Water Tank (Part# W-558) is engineered to meet the demands of compact mobile potable water storage in a variety of off-grid and on-the-move living applications. Constructed from rotationally molded polyethylene resin, this tank offers rugged performance, long-term durability, and safe potable water storage in tight installation spaces.

Perfectly suited for use in RVs, food trucks, tiny homes, campers, and custom van conversions, this 33-gallon tank provides a reliable water supply while maximizing available space. Its seamless, one-piece design enhances structural integrity and simplifies installation.

Manufactured using FDA-approved, food-grade polyethylene, this tank complies with FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it ideal for storing drinking water in mobile environments.

Key Features

• 33-Gallon Capacity: Ideal for compact fresh water systems in mobile or off-grid setups.
• Rotationally Molded Polyethylene: Seamless, one-piece construction eliminates weak points and adds strength.
• FDA-Compliant Materials: Constructed from food-safe polyethylene resin for potable water use.
• Compact Dimensions: Measures 30" x 21.25" x 13.375", designed for tight installation spaces.
• High Durability: Resistant to cracking, impact, and temperature changes common in mobile conditions.
• Blank Configuration: Ships without fittings to allow full custom plumbing setup.
• Made in the USA: Proudly manufactured in Oregon using high-quality polyethylene resin.
  

Specifications

• Product Type: RV Fresh Water Tank
• Part Number: W-558
• Capacity: 33 Gallons
• Dimensions: 30" L x 21.25" W x 13.375" H
• Weight: 28 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.