21 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-526)

Description

The Custom Roto-Mold 21 Gallon Marine Water Tank (Part# MW-526) is a compact, durable solution for storing potable water in marine and mobile environments. Its rectangular design allows for flexible mounting in tight spaces, making it ideal for use in boats, RVs, trailers, and off-grid installations where space is limited but reliable water access is essential.

This tank is built using rotational molding technology, resulting in a seamless, one-piece construction that offers excellent resistance to cracking, warping, and rupture. Whether exposed to constant vibration, shifting loads, or variable temperatures, the MW-526 remains structurally sound and dependable over time.

Crafted from FDA-approved polyethylene resin, the MW-526 complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring that your drinking water remains safe and contaminant-free. With its lightweight yet rugged construction, this tank is both easy to handle and install while offering the strength to perform in tough environments.

Key Features

• 21-Gallon Capacity: A compact and efficient solution for boats, campers, and mobile freshwater systems.
• Rotationally Molded Construction: Durable seamless design offers long-term resistance to impact, vibration, and environmental stress.
• FDA-Compliant Polyethylene: Manufactured using food-grade resin that meets federal standards for drinking water safety.
• Compact Rectangular Profile: Measures 24.5" L x 18" W x 13.25" H, perfect for tight compartments or under-seat installations.
• Marine-Grade Durability: Built to endure UV exposure, saltwater conditions, and constant motion without leaking or degrading.
• Blank Configuration: Ships without pre-installed fittings, giving full freedom to customize plumbing and connections.
• Lightweight Yet Tough: Weighs 26 lbs, making it easy to install while maintaining structural strength and performance.
• Made in the USA: Proudly manufactured in Oregon under strict quality assurance standards for consistent reliability.
  

Specifications

• Product type: Marine fresh water tank
• Part number: MW-526
• Capacity: 21 gallons
• Dimensions: 24.5" L x 18" W x 13.25" H
• Weight: 26 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 21 Gallon Custom Roto-Mold Marine Water Tank (MW-526) at a lower price from an authorized competitor within 6 months, we’ll match it and refund the difference.

Contact: info@tanksupplydepot.com