Description
The Custom Roto-Mold 38 Gallon Marine Water Tank (Part# MW-406) is designed to provide dependable, mid-capacity potable water storage for marine, RV, and mobile applications. Its broad, low-profile form factor allows for installation in shallow compartments, under seating, or beneath decks where vertical space is limited.
Manufactured with rotational molding technology, this tank features a seamless, one-piece design that ensures superior resistance to cracks, leaks, and fatigue from movement or pressure. Built from FDA-approved polyethylene resin, the MW-406 complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it safe for potable water use.
The tank ships blank (without pre-installed fittings), allowing you to fully customize your plumbing layout based on your specific system requirements. Its sturdy construction and layout-friendly dimensions make it an excellent choice for a wide variety of mobile fresh water systems.
Key Features
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38-Gallon Capacity: Offers a reliable water supply for mid-size marine and RV systems.
 
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Rotationally Molded Construction: Seamless, single-piece body provides superior structural durability and long-term performance.
 
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FDA-Compliant Polyethylene: Made from food-grade resin that ensures safe storage of potable water.
 
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Low-Profile Rectangular Design: Measures 60.5" L x 24.25" W x 8.375" H, ideal for shallow storage spaces.
 
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Durable and Weather-Resistant: Engineered to handle road vibration, UV rays, and marine exposure.
 
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Blank Configuration: Ships with no fittings, allowing full flexibility in customizing inlet and outlet locations.
 
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Moderately Lightweight: Weighs 56 lbs for manageable transport and installation.
 
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Translucent Natural Color: Enables visual monitoring of water level without additional gauges.
 
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Made in the USA: Proudly manufactured in Oregon under strict quality control standards.
 
Specifications
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Product type: Marine fresh water tank
 
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Part number: MW-406
 
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Capacity: 38 gallons
 
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Dimensions: 60.5" L x 24.25" W x 8.375" H
 
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Weight: 56 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 38 Gallon Custom Roto-Mold Marine Water Tank (MW-406) at a lower price from an authorized competitor within 6 months, we’ll match it and refund the difference.
Contact: info@tanksupplydirect.com