Description
The Custom Roto-Mold 44 Gallon Marine Water Tank (Part# MW-457) is built to deliver reliable potable water storage in marine, RV, and mobile utility environments. Its low-profile rectangular shape fits easily into space-constrained areas such as under seating, cabinetry, or equipment compartments, making it ideal for custom installations where height is limited.
This tank is rotationally molded from a single piece of polyethylene resin, resulting in a seamless, impact-resistant body. The design eliminates common failure points associated with joints and seams, ensuring long-term durability under rugged marine and road conditions.
Made with FDA-approved polyethylene resin, the MW-457 tank complies with FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring it is safe for storing potable drinking water. It resists contamination, corrosion, and chemical degradation, making it a trusted choice for clean water supply on the go.
Whether you’re retrofitting a boat or outfitting a camper van, this tank provides dependable, space-saving water storage performance.
Key Features
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44-Gallon Capacity. Well-suited for medium-sized marine and RV fresh water systems.
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Seamless Rotational Molded Design. Strong one-piece construction resists cracks, deformation, and leaks.
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Potable Water Safe. Manufactured from FDA-compliant, food-grade polyethylene resin.
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Low-Profile Dimensions. At 8.75" high, it's ideal for shallow mounting spaces.
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Resistant to Harsh Conditions. Designed to endure vibration, saltwater, UV, and impact.
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Blank Tank Configuration. Ships without fittings to accommodate fully custom installations.
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Lightweight & Compact. Weighs 48 lbs for manageable handling and placement.
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Natural Translucent Color. Allows easy visual monitoring of water levels.
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Made in the USA. Manufactured in Oregon under strict quality controls.
Specifications
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Product Type: Marine fresh water tank
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Part Number: MW-457
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Capacity: 44 gallons
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Dimensions: 44" L x 28" W x 8.75" H
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Weight: 48 lbs
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Material: FDA-compliant polyethylene
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Wall Thickness: Approx. 0.25"
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Color: Natural (translucent white)
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Fittings: Blank (no pre-installed fittings)
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Manufacturing Location: Oregon, USA
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Application: Potable water (Marine/RV/Utility)
Shipping & Warranty
Shipping Information
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Manufacture Lead Time: 3-5 Weeks
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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.