120 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-437)

Description

The Custom Roto-Mold 120 Gallon Marine Water Tank (Part# MW-437) is purpose-built for high-capacity freshwater storage in marine vessels, recreational vehicles, and mobile service units. With its wide, low-profile layout, this tank is well-suited for installations beneath decks or flat surfaces where vertical clearance is limited.

Crafted using rotational molding technology, this tank features a seamless, one-piece polyethylene body that provides exceptional durability and resistance to structural stress. It is engineered to withstand the rigors of mobile and vibration-heavy environments, ensuring reliable water containment over the long term.

Constructed from FDA-approved polyethylene resin, the MW-437 meets the safety requirements of FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, verifying its suitability for potable water use.

Key Features

• 120-Gallon Capacity: Supports large freshwater storage requirements for extended trips or multiple users.
• Rotationally Molded Construction: Seamless, single-piece design resists cracks and deformation.
• FDA-Compliant Polyethylene: Made from food-grade resin approved for safe drinking water storage.
• Extra-Wide, Low-Profile Design: Measures 85" L x 65" W x 5.5" H — ideal for under-deck or floor-mounted installations.
• Engineered for Harsh Environments: Performs reliably in marine, saltwater, UV, and vibration-prone conditions.
• Blank Configuration: No pre-drilled fittings — allows for full customization of plumbing setup.
• Translucent Natural Color: Enables quick visual inspection of water levels.
• Made in the USA: Proudly manufactured in Oregon under strict quality standards.
  

Specifications

• Product type: Marine fresh water tank
• Part number: MW-437
• Capacity: 120 gallons
• Dimensions: 85" L x 65" W x 5.5" H
• Weight: 163 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

Ships FOB from Idaho (Zip Code: 83605), Freight Class 250. Liftgate service 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 120 Gallon Custom Roto-Mold Marine Water Tank (MW-437) at a lower price from an authorized competitor within 6 months, we’ll match it and refund the difference.

Contact: info@tanksupplydepot.com