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

Shipping Information

• Manufacture Lead Time: 4-5 Week Lead Time 
  
• Ships From (State): ID
  

Products are subject to freight or parcel shipping costs. Shipping charges are calculated at checkout based on delivery location, product size, weight, and carrier requirements.

Each tank is manufactured and assembled in the USA using high-quality materials and strict quality control standards—built for long-term, dependable use in demanding applications.

Warranty Information

Warranty coverage varies by manufacturer and product type. For warranty details or to initiate a warranty claim, please contact Tank Supply Direct at info@tanksupplydirect.com.

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@tanksupplydirect.com