165 Gallon Custom Roto-Mold RV Water Tank (MPN: W-538)

Description

The Custom Roto-Mold 165 Gallon RV Water Tank (Part# W-538) is engineered to meet the demands of mobile potable water storage in a wide range of compact and mobile living applications. Made from rotationally molded polyethylene resin, this tank offers long-lasting durability and safe potable water performance.

Designed for use in recreational vehicles, food trucks, tiny homes, and campers, this 165-gallon tank delivers a high-capacity and space-conscious solution for storing fresh water while on the move.

Its seamless one-piece construction offers exceptional resistance to cracking, leaking, and structural fatigue. Built with FDA-approved, food-grade polyethylene, the tank complies with FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it fully approved for potable water storage.

Key Features

• 165-Gallon Capacity: Designed for high-volume fresh water storage in RVs, off-grid builds, or extended-use mobile systems.
• Rotationally Molded Polyethylene: Molded as a single-piece structure for superior strength and impact resistance.
• FDA-Compliant Materials: Constructed using food-safe polyethylene resin approved for potable water applications.
• Generous Dimensions: Measures 68" x 38" x 16.5", offering a balance of volume and footprint for large installs.
• Highly Durable: Built to handle road vibration, temperature extremes, and rigorous use in mobile environments.
• Blank Configuration: Ships without pre-installed fittings, giving you full control over plumbing customization.
• Made in the USA: Proudly manufactured in Oregon from premium, FDA-approved materials.
  

Specifications

• Product Type: RV Fresh Water Tank
• Part Number: W-538
• Capacity: 165 Gallons
• Dimensions: 68" L x 38" W x 16.5" H
• Weight: 110 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.