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Custom Roto-Molding

300 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-476)

300 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-476)

SKU: MW-476

Regular price
Price: $1,555.00
Regular price
List Price:
Sale price
Price: $1,555.00
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Description

The Custom Roto-Mold 300 Gallon Marine Water Tank (Part# MW-476) is a high-capacity potable water storage solution designed for marine, RV, trailer, and off-grid applications. With its large volume and durable construction, it’s ideal for extended freshwater supply in demanding mobile or remote environments.

Manufactured using a rotational molding process, this tank features a seamless, one-piece body that ensures long-term structural integrity. It’s crafted from FDA-approved polyethylene resin, compliant with FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it safe for storing potable drinking water for human use.

The MW-476 is designed with a long rectangular footprint (96" x 30") and a 24" height, which allows for installation in a wide range of horizontal storage configurations, including underneath decks, in trailers, or mounted in service vehicles.

Key Features
  • 300-Gallon Capacity. Offers extended potable water supply for marine and mobile installations.
  • One-Piece Rotomolded Construction. Seamless design resists cracking, splitting, and structural failure.
  • FDA-Compliant Polyethylene. Safe for drinking water—built with certified food-grade resin.
  • Optimized Dimensions. Measures 96" L x 30" W x 24" H—ideal for horizontal storage in tight or flat compartments.
  • Blank Configuration. Ships with no fittings installed for complete plumbing customization.
  • Engineered for Harsh Use. Performs reliably in marine, trailer, RV, and off-grid conditions.
  • Natural Translucent Color. Allows easy visual inspection of water levels.
  • Proudly Made in the USA. Manufactured in Oregon to high-quality production standards.
  • Relatively Lightweight for Size. Weighs 152 lbs, easy to move with proper handling equipment.
Specifications
  • Product Type: Marine fresh water tank
  • Part Number: MW-476
  • Capacity: 300 gallons
  • Dimensions: 96" L x 30" W x 24" H
  • Weight: 152 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, trailer, RV, off-grid)
Shipping & Warranty

Ships FOB from Idaho (Zip Code: 83605). Freight Class: 250. Liftgate service available upon request for residential or limited-access delivery locations.

Backed by a 1-Year Limited Warranty against defects in materials and workmanship under normal use conditions.

Price Match Guarantee

Find the MW-476 300 Gallon Marine Water Tank offered at a lower price by an authorized seller? We’ll match the price and refund the difference within 6 months of your purchase.

Contact: info@tanksupplydepot.com


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