100 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-325)

Description

The Custom Roto-Mold 100 Gallon Marine Water Tank (Part# MW-325) is engineered for high-capacity potable water storage in marine and mobile environments. Designed for larger boats, RVs, trailers, or off-grid applications, this tank delivers dependable water volume without compromising durability or safety.

Built using advanced rotational molding technology, the tank features a seamless, one-piece construction that resists cracking, warping, and impact damage. Its long, low-profile shape is perfect for mounting in narrow or floor-level compartments where vertical clearance is limited.

Made from FDA-approved polyethylene resin, the MW-325 meets the criteria of FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring it’s suitable for storing potable water. The tank ships blank, giving you full flexibility to install fittings in the most efficient locations for your setup.

Key Features

• 100-Gallon Capacity: Large volume ideal for extended marine voyages, off-grid cabins, or long-haul RV trips.
• Rotationally Molded Construction: Seamless and ultra-durable, designed to withstand environmental stress, vibration, and impact.
• FDA-Compliant Polyethylene: Constructed from food-grade resin approved for safe drinking water storage.
• Low-Profile Footprint: Measures 79" L x 27.5" W x 13" H—fits well in underfloor or side compartments where height is limited.
• Marine-Grade Strength: Withstands saltwater, UV exposure, and constant movement without degrading or cracking.
• Blank Configuration: Ships with no pre-installed fittings, allowing for fully customized plumbing layout.
• Heavy-Duty Yet Manageable: Weighs 92 lbs—sturdy and stable for permanent installations, yet manageable with two-person lift.
• Made in the USA: Manufactured in Oregon to strict quality control standards, ensuring long-term performance and reliability.
  

Specifications

• Product type: Marine fresh water tank
• Part number: MW-325
• Capacity: 100 gallons
• Dimensions: 79" L x 27.5" W x 13" H
• Weight: 92 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.