143 Gallon Custom Roto-Mold RV Water Tank (MPN: W-508)

Description

The Custom Roto-Mold 143 Gallon RV Water Tank (Part# W-508) is engineered to meet the demands of mobile potable water storage in a wide range of off-grid and mobile living applications. Constructed from rotationally molded polyethylene resin, this tank offers rugged durability and reliable performance for potable water use.

Perfectly suited for recreational vehicles, campers, food trucks, and tiny homes, this 143-gallon tank delivers a high-capacity solution for fresh water storage on the move or in stationary mobile setups.

Thanks to its seamless, one-piece construction, the tank provides excellent resistance to cracking, leaking, and fatigue. Built using FDA-approved, food-grade polyethylene, it complies with FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring safe and hygienic water storage.

Key Features

• 143-Gallon Capacity: Provides high-volume potable water storage for large RVs, mobile kitchens, or off-grid cabins.
• Rotationally Molded Polyethylene: Seamless, heavy-duty construction ensures strength and durability.
• FDA-Compliant Materials: Made from food-grade polyethylene resin for clean, potable water compatibility.
• Spacious Design: Measures 54" x 30" x 27", optimized for installations with generous vertical space.
• Impact & Crack Resistant: Built to handle road vibration, thermal expansion, and rugged use.
• Blank Configuration: Ships without fittings for complete customization of plumbing layout.
• Made in the USA: Proudly manufactured in Oregon using top-quality FDA-compliant materials.
  

Specifications

• Product Type: RV Fresh Water Tank
• Part Number: W-508
• Capacity: 143 Gallons
• Dimensions: 54" L x 30" W x 27" H
• Weight: 90 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.