54 Gallon Custom Roto-Mold RV Water Tank (MPN: W-337)

Description

The Custom Roto-Mold 54 Gallon RV Water Tank (Part# W-337) is engineered to meet the requirements of mobile potable water storage systems. Constructed using rotationally molded polyethylene resin, this tank features a seamless, one-piece design that provides superior strength, impact resistance, and protection against leaks or ruptures.

Designed for installation in recreational vehicles, food trucks, campers, tiny homes, and other mobile setups, the W-337 offers a space-efficient layout with a generous 54-gallon capacity. Its low-profile, rectangular footprint allows for versatile mounting in tight or shallow compartments.

Built using FDA-approved polyethylene resin, this tank meets FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it safe for storing potable water. Whether you're building a new mobile water system or replacing an old tank, the W-337 provides durability, safety, and peace of mind.

Key Features

• 54-Gallon Capacity: Mid-size tank ideal for potable water systems in RVs, vans, and mobile homes.
• Rotationally Molded Polyethylene: Seamless one-piece construction eliminates joints, reducing the risk of leaks.
• FDA-Compliant Materials: Made with food-grade polyethylene resin approved for drinking water use.
• Low-Profile Design: Dimensions of 54.375" x 28.5" x 9" fit well into tight, under-bench, or flat-mount spaces.
• Blank Configuration: Ships with no fittings installed, allowing for complete customization of inlet and outlet placement.
• Made in the USA: Proudly manufactured in Oregon using premium-quality polyethylene.
  

Specifications

• Product Type: RV Fresh Water Tank
• Part Number: W-337
• Capacity: 54 Gallons
• Dimensions: 54.375" L x 28.5" W x 9" H
• Weight: 25 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.