Description
The Custom Roto-Mold 27 Gallon Marine Water Tank (Part# MW-473) is designed for efficient freshwater storage in marine, RV, and mobile utility applications. With its long, flat profile and low height of just 5 inches, this tank is an ideal solution for installations in shallow compartments, under decks, or inside benches.
Constructed using rotational molding technology, the tank features a seamless, one-piece polyethylene structure that enhances strength and long-term durability. The FDA-approved resin used in manufacturing complies with 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring the tank is safe for potable water storage.
Whether you're refitting a sailboat, building out a camper van, or outfitting a utility trailer, the MW-473 offers a compact, dependable, and hygienic water storage option built to withstand demanding conditions.
Key Features
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27-Gallon Capacity. Well-suited for compact marine or RV freshwater applications.
 
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Rotationally Molded Construction. Seamless body resists stress, cracks, and impact damage.
 
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FDA-Approved Polyethylene. Made from food-grade resin safe for potable water.
 
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Ultra-Low Profile. Just 5 inches high—perfect for under-floor or shallow compartment installation.
 
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Blank Configuration. Ships with no fittings for fully customizable plumbing.
 
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Lightweight Design. Weighs only 45 lbs for easy handling during transport and installation.
 
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Translucent Color. Natural finish allows for simple water level monitoring.
 
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Made in the USA. Precision-manufactured in Oregon to high quality standards.
 
Specifications
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Product Type: Marine fresh water tank
 
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Part Number: MW-473
 
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Capacity: 27 gallons
 
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Dimensions: 54" L x 25" W x 5" H
 
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Weight: 45 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, and mobile equipment)
 
Shipping & Warranty
Ships FOB from Idaho (Zip Code: 83605). Freight Class: 250. Liftgate service is available upon request for residential or limited-access locations.
Covered by a 1-Year Limited Warranty against defects in material or workmanship under standard use.
Price Match Guarantee
Found a better price? If you see the 27 Gallon Custom Roto-Mold Marine Water Tank (MW-473) offered for less by an authorized dealer within 6 months, we’ll match it and refund the difference.
Contact: info@tanksupplydirect.com