20 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-523)

Description

The Custom Roto-Mold 20 Gallon Marine Water Tank (Part# MW-523) is engineered to deliver reliable potable water storage in marine and mobile applications with narrow or low-clearance installation areas. Its long, slim design makes it ideal for mounting in tight compartments on boats, RVs, trailers, or off-grid vehicles.

Manufactured with rotational molding technology, this tank features a seamless, one-piece construction that resists cracking, ruptures, and deformation, even under constant vibration or motion.

Made from FDA-approved polyethylene resin, the MW-523 complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring safe storage of drinking water. The tank ships blank, giving installers full flexibility to place fittings exactly where needed for a custom plumbing layout.

Key Features

• 20-Gallon Capacity: Compact storage option for small boats, campers, and mobile setups with space limitations.
• Rotationally Molded Construction: Seamless design offers superior resistance to impacts, stress, and long-term wear.
• FDA-Compliant Polyethylene: Constructed with food-grade resin approved for potable water under federal regulations.
• Slim Profile Design: Just 8.375" wide (52" L x 8.375" W x 14.875" H), ideal for narrow compartments and installation flexibility.
• Marine-Grade Durability: Handles vibration, saltwater exposure, and movement without degradation or leakage.
• Blank Configuration: Ships without fittings to allow full customization for plumbing and installation.
• Lightweight & Strong: Weighs 35 lbs, balancing ruggedness with ease of handling during installation.
• Made in the USA: Proudly manufactured in Oregon under strict quality control for long-term reliability and safety.
  

Specifications

• Product type: Marine fresh water tank
• Part number: MW-523
• Capacity: 20 gallons
• Dimensions: 52" L x 8.375" W x 14.875" H
• Weight: 35 lbs
• Material: FDA-compliant polyethylene
• Wall thickness: Approx. 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 20 Gallon Custom Roto-Mold Marine Water Tank (MW-523) at a lower price from an authorized competitor within 6 months, we’ll match it and refund the difference.

Contact: info@tanksupplydirect.com