Description
The Custom Roto-Mold 22 Gallon Marine Water Tank (Part# MW-414) is purpose-built for dependable potable water storage in a variety of marine, RV, and mobile equipment applications. Its compact, cube-like shape makes it ideal for installations in tight compartments, under-seat areas, or utility bays where space efficiency is critical.
Constructed using rotational molding technology, this tank features a seamless, one-piece body that provides excellent resistance to cracks, leaks, and stress-related fatigue, even under constant vibration and rugged travel conditions. The MW-414 is made from FDA-approved polyethylene resin, fully compliant with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring that it is safe for storing potable drinking water.
Whether you're outfitting a sailboat, work trailer, van conversion, or small liveaboard, the MW-414 provides a reliable, space-conscious, and long-lasting solution for fresh water storage in mobile environments.
Key Features
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22-Gallon Capacity: Suitable for mid-size freshwater needs in marine and RV systems.
 
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Rotationally Molded Construction: Seamless, one-piece tank resists leaks, cracks, and structural failure.
 
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FDA-Compliant Polyethylene: Manufactured from food-grade resin for safe potable water storage.
 
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Compact Footprint: Measures 24.125" L x 21.25" W x 15.25" H, making it ideal for tight or multi-directional installations.
 
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Built for Mobile Use: Withstands vibration, UV rays, saltwater exposure, and temperature variation.
 
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Blank Configuration: Ships with no pre-installed fittings for maximum layout flexibility.
 
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Lightweight Design: Weighs just 25 lbs for easy transport and installation.
 
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Natural Translucent Color: Enables quick visual monitoring of water level.
 
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Made in the USA: Proudly produced in Oregon under strict quality assurance processes.
 
Specifications
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Product type: Marine fresh water tank
 
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Part number: MW-414
 
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Capacity: 22 gallons
 
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Dimensions: 24.125" L x 21.25" W x 15.25" H
 
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Weight: 25 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 22 Gallon Custom Roto-Mold Marine Water Tank (MW-414) at a lower price from an authorized competitor within 6 months, we’ll match it and refund the difference.
Contact: info@tanksupplydirect.com