51 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-532)

Description

The Custom Roto-Mold 51 Gallon Marine Water Tank (Part# MW-532) is designed to deliver dependable potable water storage for marine and mobile applications requiring a low-profile, high-capacity solution. Its wide, flat shape is ideal for mounting under decks, in shallow compartments, or along trailer floors where vertical clearance is limited.

Manufactured using rotational molding technology, this tank features a seamless, one-piece construction that offers excellent resistance to cracking, flex fatigue, and ruptures, even in conditions with constant motion and vibration. It’s purpose-built for demanding environments like boats, RVs, and off-grid mobile systems.

Constructed from FDA-approved polyethylene resin, the MW-532 complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring it is safe for storing drinking water Despite its slim 8.5" height, the MW-532 holds an impressive 51 gallons and weighs just 66 lbs, making it both a high-capacity and space-saving option that delivers rugged performance without sacrificing install flexibility.

Key Features

• 51-Gallon Capacity: Ideal for large marine or mobile potable water systems.
• Rotationally Molded Construction: Seamless one-piece design resists impact and structural fatigue.
• FDA-Approved Polyethylene: Safe for potable water; meets all applicable federal standards.
• Slim Profile: Measures only 8.5" high—fits under floors, bunks, or tight-deck compartments.
• Marine-Ready Durability: Built to endure vibration, saltwater exposure, and UV radiation.
• Blank Configuration: Ships without fittings so you can fully customize plumbing connections.
• Easy to Handle: Weighs 66 lbs, balancing high volume with manageable installation.
• Made in the USA: Manufactured in Oregon to strict quality control standards.
  

Specifications

• Product type: Marine fresh water tank
• Part number: MW-532
• Capacity: 51 gallons
• Dimensions: 58" L x 31" W x 8.5" H
• Weight: 66 lbs
• Material: FDA-compliant polyethylene
• Wall thickness: 0.25"
• Color: Natural (Translucent white)
• Fittings: Blank (no pre-installed fittings)
• Manufacturing location: Oregon, USA
• 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 51 Gallon Custom Roto-Mold Marine Water Tank (MW-532) at a lower price from an authorized competitor within 6 months, we’ll match it and refund the difference.

Contact: info@tanksupplydepot.com