20 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-455)

Description

The Custom Roto-Mold 20 Gallon Marine Water Tank (Part# MW-455) is designed for durable and space-efficient potable water storage in marine, RV, and mobile utility applications. Its compact and balanced rectangular shape allows for flexible mounting in confined areas, such as below seating, inside cabinets, or under decks.

Built using rotational molding technology, this tank features a seamless, one-piece construction that delivers superior strength and long-lasting performance. The structure resists deformation, cracking, and leaking critical for mobile environments where vibration and movement are constant.

The tank is crafted from FDA-approved polyethylene resin, ensuring it is safe for storing potable drinking water. It fully complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, which regulates materials intended for food and water contact.

Key Features

• 20-Gallon Capacity: Perfect for small to medium-sized fresh water storage systems in boats, RVs, and mobile setups
• Seamless Construction: Rotationally molded for strength and resistance to cracks, leaks, and pressure
• Food-Grade Polyethylene: Made from FDA-compliant resin suitable for potable water storage
• Compact Dimensions: Measures 25.5" L x 15.5" W x 14" H—ideal for installations with height and depth constraints
• Durable Build: Withstands outdoor elements, saltwater exposure, and mechanical stress
• Blank Tank: Ships without pre-installed fittings to allow for full customization during installation
• Natural Translucent Finish: Makes it easy to view water levels at a glance
• Made in the USA: Manufactured in Oregon under strict quality standards
  

Specifications

• Product Type: Marine fresh water tank
• Part Number: MW-455
• Capacity: 20 gallons
• Dimensions: 25.5" L x 15.5" W x 14" H
• Weight: 25 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/RV/Utility)
  

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.