20 Gallon Custom Roto-Mold RV Water Tank (MPN: W-81)

Description

The Custom Roto-Mold 20 Gallon RV Water Tank (Part# W-81) is purpose-built for mobile fresh water storage. Made from rotationally molded polyethylene resin, this tank is engineered for potable water use and long-term durability.

It’s an ideal fit for a range of compact mobile water applications, including recreational vehicles (RVs), campers, tiny homes, and food trucks.

With its seamless, one-piece construction, the tank resists cracks, chips, and ruptures, even under rugged conditions. The polyethylene material complies with FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring safety for storing drinking water.

If you need help selecting the right tank for your build, our experts at Tank Superstore are ready to assist. Reach out today to get started.

Key Features

• 20-Gallon Capacity: Compact size with ample storage for mobile living or vending.
• Rotationally Molded Design: Increases strength and prevents leaks or weak points.
• FDA-Approved Polyethylene Resin: Certified for safe potable water storage.
• Space-Efficient Dimensions: Slim profile suitable for benches, compartments, or floor mounting.
• Blank Tank Configuration: Ships without fittings for flexible inlet/outlet placement.
• Made in the USA: Manufactured with precision and quality in Oregon.
• Lightweight & Rugged: Easy to handle during installation.
  

Specifications

• Product Type: RV Fresh Water Tank
• Part Number: W-81
• Capacity: 20 Gallons
• Dimensions: 33.25" L x 17.25" W x 8.75" H
• Weight: 13 lbs
• Material: FDA-Approved Polyethylene
• Color: Natural (Translucent White)
• Fittings: Blank (No pre-installed fittings)
• Manufacturing Location: Oregon, USA
• Application: Potable Water Storage
  

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.