21 Gallon Custom Roto-Mold RV Water Tank (MPN: W-320)

Description

The Custom Roto-Mold 21 Gallon RV Water Tank (Part# W-320) is engineered to meet the requirements of mobile potable water storage applications. Manufactured from rotationally molded polyethylene resin, this tank is purpose-built for safe, long-lasting potable water use in demanding mobile environments.

This RV water tank is used in a variety of mobile water storage applications including recreational vehicles, campers, tiny homes, and food trucks.

Its seamless one-piece construction delivers superior strength, reducing the risk of cracks, chips, and ruptures during travel or installation. This tank is made from FDA-approved polyethylene resin and meets FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring the safe storage of drinking water.

Key Features

• 21-Gallon Capacity: Ideal for compact potable water systems in mobile setups.
• Rotationally Molded Polyethylene: Seamless design ensures leak resistance and long-term durability.
• FDA-Compliant Materials: Safe for potable water; meets strict FDA food-grade standards.
• Space-Efficient Design: Measures 21" x 21" x 12.75", perfect for tight installation areas.
• Blank Configuration: Ships without pre-installed fittings for full customization.
• Made in the USA: Proudly manufactured in Oregon using food-grade polyethylene.
  

Specifications

• Product Type: RV Fresh Water Tank
• Part Number: W-320
• Capacity: 21 Gallons
• Dimensions: 21" L x 21" W x 12.75" H
• Weight: 11 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.