21 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-555)

Description

The Custom Roto-Mold 21 Gallon Marine Water Tank (Part# MW-555) is designed to provide reliable and safe potable water storage in marine, RV, and trailer-based systems. Its slim profile and compact footprint make it ideal for tight compartments, under-seat storage, or low-clearance installations where space efficiency is critical.

Built using rotational molding technology, this tank features a seamless, one-piece construction that enhances resistance to cracking, impact damage, and long-term wear, even in mobile environments subject to movement and vibration.

Manufactured from FDA-approved polyethylene resin, the MW-555 complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring it is safe for potable water use.

Key Features

• 21-Gallon Capacity: A compact solution for smaller marine or off-grid potable water needs.
• Rotationally Molded Construction: Seamless and impact-resistant for maximum durability.
• FDA-Compliant Polyethylene: Made with food-grade resin safe for drinking water.
• Slim Profile: Stands only 10" high, making it ideal for tight vertical clearances and compact spaces.
• Marine-Grade Performance: Designed to withstand vibration, UV exposure, and harsh marine conditions.
• Blank Configuration: Ships without pre-installed fittings for custom plumbing flexibility.
• Lightweight Design: 34 lb weight allows for easy handling and stable installation.
• Made in the USA: Manufactured in Oregon under strict quality standards.
  

Specifications

• Product type: Marine fresh water tank
• Part number: MW-555
• Capacity: 21 gallons
• Dimensions: 48" L x 14" W x 10" H
• Weight: 34 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-555) at a lower price from an authorized competitor within 6 months, we’ll match it and refund the difference.

Contact: info@tanksupplydirect.com