70 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-481)

Description

The Custom Roto-Mold 70 Gallon Marine Water Tank (Part# MW-481) is engineered for safe and reliable potable water storage in marine, RV, and mobile transport applications. Its large, low-profile footprint is well-suited for use in deck compartments, utility bays, or wide horizontal storage areas where vertical space is limited.

This tank is manufactured using rotational molding technology, delivering a seamless, one-piece construction that resists cracking, chipping, and structural fatigue. Made from FDA-approved polyethylene resin, the MW-481 complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring it meets safety standards for potable water storage.

The tank ships blank (without fittings) to support full customization of your plumbing configuration. Its combination of strength, capacity, and installation flexibility makes it an excellent solution for freshwater systems in demanding mobile environments.

Key Features

• 70-Gallon Capacity: Provides substantial water volume for larger marine and RV systems.
• Rotationally Molded Design: Seamless construction offers maximum durability and long-term reliability.
• FDA-Approved Polyethylene: Built with food-grade resin that ensures safe storage of potable water.
• Extra-Wide Low-Profile Layout: Measures 65" L x 40" W x 7" H, ideal for shallow horizontal compartments.
• Built for Rugged Environments: Withstands road vibration, UV rays, and exposure to marine conditions.
• Blank Configuration: Ships without fittings to allow complete plumbing customization.
• Heavy-Duty Build: Weighs 86 lbs, durable yet manageable with standard handling equipment.
• Translucent Natural Color: Makes water level monitoring easy without additional accessories.
• Made in the USA: Proudly manufactured in Oregon under strict quality control procedures.
  

Specifications

• Product type: marine fresh water tank
• Part number: MW-481
• Capacity: 70 gallons
• Dimensions: 65" L x 40" W x 7" H
• Weight: 86 lbs
• Material: FDA-compliant polyethylene
• Wall thickness: approx. 0.25"
• Color: natural (translucent white)
• Fittings: blank (no pre-installed fittings)
• Manufacturing location: Oregon, USA
• Application: potable water (marine use)
  

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.