188 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-372)

Description

The Custom Roto-Mold 188 Gallon Marine Water Tank (Part# MW-372) is engineered to deliver high-capacity potable water storage in marine, RV, and mobile applications. Designed with a broad rectangular footprint, it is ideal for large-scale water supply systems in boats, utility trailers, houseboats, or off-grid builds requiring reliable volume.

Constructed using rotational molding technology, this tank features a seamless, one-piece design that ensures resistance to cracks, leaks, and structural fatigue. It is manufactured from FDA-approved polyethylene resin and complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, certifying its safe use for potable water storage.

The tank ships blank (no pre-installed fittings), giving you the flexibility to configure your plumbing setup based on your project’s unique requirements. Whether you’re outfitting a marine vessel or designing a custom freshwater system, the MW-372 offers unmatched capacity and durability.

Key Features

• 188-Gallon Capacity: Provides ample potable water storage for large marine or off-grid applications.
• Rotationally Molded Construction: Seamless, one-piece tank body offers maximum structural strength and long-term durability.
• FDA-Compliant Polyethylene: Constructed from food-grade resin approved for safe drinking water use.
• Wide Rectangular Design: Measures 62" L x 40" W x 17.5" H, suitable for large compartments or floor-mounted installations.
• Engineered for Harsh Environments: Built to withstand vibrations, UV exposure, and saltwater conditions.
• Blank Configuration: Ships without pre-installed fittings for full customization of inlet and outlet placement.
• Heavy-Duty Construction: Weighs 110 lbs and features thick walls to support high-capacity use.
• Natural Translucent Color: Allows for simple, visual monitoring of the water level.
• Made in the USA: Proudly manufactured in Oregon to ensure consistent quality and performance.
  

Specifications

• Product type: Marine fresh water tank
• Part number: MW-372
• Capacity: 188 gallons
• Dimensions: 62" L x 40" W x 17.5" H
• Weight: 110 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 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 188 Gallon Custom Roto-Mold Marine Water Tank (MW-372) at a lower price from an authorized competitor within 6 months, we’ll match it and refund the difference.

Contact: info@tanksupplydepot.com