70 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-84)

Description

The Custom Roto-Mold 70 Gallon Marine Water Tank (Part# MW-84) is purpose-built to provide dependable potable water storage in marine, RV, trailer, and mobile applications. Its broad footprint and low-profile height make it well-suited for horizontal installation in equipment bays, below-deck compartments, or other areas where vertical space is limited.

Constructed using rotational molding technology, the MW-84 features a seamless, one-piece polyethylene design that offers exceptional durability and protection against cracking, impact damage, and long-term wear. This rugged construction ensures lasting performance in high-vibration environments typical of marine and mobile use.

Manufactured from FDA-approved polyethylene resin, the MW-84 complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, confirming its suitability for safe potable water storage. With a capacity of 70 gallons and a weight of just 58 lbs, this tank delivers a balanced, reliable solution for a wide variety of off-grid and marine water system configurations.

Key Features

• 70-Gallon Capacity: A practical size for medium-scale marine or off-grid water supply systems.
• Rotationally Molded Construction: Seamless and impact-resistant for superior strength and longevity.
• FDA-Compliant Polyethylene: Made from food-grade resin that’s safe for storing drinking water.
• Low-Profile Design: At just 13" high, this tank fits easily into spaces with limited vertical clearance.
• Marine-Grade Performance: Engineered to withstand movement, vibration, and exposure to UV and saltwater.
• Blank Configuration: Ships without fittings for custom plumbing flexibility.
• Moderate Weight: 58 lbs for easy handling and secure mounting.
• Made in the USA: Manufactured in Oregon under strict quality standards.
  

Specifications

• Product type: Marine fresh water tank
• Part number: MW-84
• Capacity: 70 gallons
• Dimensions: 48.5" L x 26" W x 13" H
• Weight: 58 lbs
• Material: FDA-compliant polyethylene
• Wall thickness: 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.