Description
The Custom Roto-Mold 14 Gallon Marine Water Tank (Part# MW-370) is built for dependable and space-conscious potable water storage in marine, RV, and mobile setups. With its compact rectangular shape, it is ideal for boats, van conversions, utility trailers, or off-grid systems where storage space is tight but reliability is critical.
Constructed using rotational molding technology, the tank features a seamless, one-piece body that eliminates weak points and provides excellent resistance to cracks, leaks, and structural fatigue. The MW-370 is made from FDA-approved polyethylene resin and complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring safe potable water storage.
The tank ships blank (no pre-installed fittings), allowing for complete customization of your plumbing configuration. Whether for a freshwater galley system or mobile handwashing station, the MW-370 is engineered for durability and versatility in compact environments.
Key Features
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14-Gallon Capacity: Provides a compact water storage solution for small marine and mobile systems.
 
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Rotationally Molded Construction: Seamless, single-piece body offers long-term durability and resistance to damage.
 
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FDA-Compliant Polyethylene: Built from food-grade resin that is safe for storing drinking water.
 
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Space-Efficient Design: Measures 24" L x 15" W x 12" H, making it ideal for low-clearance installations.
 
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Built for Tough Environments: Resists vibration, UV exposure, and saltwater conditions.
 
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Blank Configuration: Ships without fittings to allow full flexibility in plumbing setup.
 
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Lightweight Design: Weighs only 18 lbs, allowing for quick and easy installation.
 
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Natural Translucent Color: Allows for easy visual water level inspection without sensors or gauges.
 
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Made in the USA: Proudly manufactured in Oregon with strict quality standards.
 
Specifications
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Product type: Marine fresh water tank
 
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Part number: MW-370
 
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Capacity: 14 gallons
 
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Dimensions: 24" L x 15" W x 12" H
 
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Weight: 18 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 use)
 
Shipping & Warranty
Ships FOB from Idaho (Zip Code: 83605), Freight Class 250. Liftgate service is available upon request for residential or limited-access delivery locations.
Covered by a 1-Year Limited Warranty against defects in materials and workmanship under normal use conditions.
Price Match Guarantee
If you find the 14 Gallon Custom Roto-Mold Marine Water Tank (MW-370) at a lower price from an authorized competitor within 6 months, we’ll match it and refund the difference.
Contact: info@tanksupplydirect.com