48 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-319)

Description

The Custom Roto-Mold 48 Gallon Marine Water Tank (Part# MW-319) is designed for reliable potable water storage in marine and mobile applications. Its ultra-low-profile, wide-body layout makes it ideal for floor-mounted or under-deck installations where vertical space is limited but horizontal room is available.

Manufactured with rotational molding technology, this tank features a seamless, one-piece construction that ensures outstanding strength and long-term durability. It is highly resistant to cracking, chipping, and leaking even under the stresses of transport or harsh marine conditions.

Made from FDA-approved polyethylene resin, the MW-319 meets the requirements of FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring it is safe for storing drinking water. The tank ships blank, allowing you to customize fittings and outlet locations based on your specific system needs.

Key Features

• 48-Gallon Capacity: Mid-sized tank ideal for marine freshwater systems, RVs, and mobile setups requiring a balance of capacity and space.
• Rotationally Molded Construction: Seamless body resists cracking and deformation under heavy use and marine motion.
• FDA-Compliant Polyethylene: Built using food-grade resin that’s certified safe for potable water storage.
• Ultra-Low-Profile Design: Measures just 8.5" high (46" L x 30" W x 8.5" H), perfect for shallow storage bays or floor-level installations.
• Marine-Grade Strength: Withstands exposure to saltwater, UV radiation, and constant vibration from movement or wave action.
• Blank Configuration: Ships without any pre-installed fittings, giving you complete flexibility during installation.
• Lightweight for Easy Handling: Weighs only 52 lbs, making it easy to position and install without the need for machinery.
• Natural Translucent Finish: Allows for easy visual water level monitoring without gauges.
• Made in the USA: Manufactured in Oregon with strict quality control for consistent, dependable performance.
  

Specifications

• Product type: Marine fresh water tank
• Part number: MW-319
• Capacity: 48 gallons
• Dimensions: 46" L x 30" W x 8.5" H
• Weight: 52 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.