80 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-540)

Description

The Custom Roto-Mold 80 Gallon Marine Water Tank (Part# MW-540) is designed to deliver dependable, space-efficient potable water storage for marine and mobile applications. Its compact footprint and 19" height make it a great choice for tight spaces in boats, RVs, trailers, and custom builds that require significant water capacity without consuming excessive room.

Manufactured using rotational molding technology, this tank features a seamless, single-piece construction that offers exceptional durability. It resists cracking, stress fractures, and ruptures, even in high-vibration and mobile environments, ensuring reliable long-term performance.

Built with FDA-approved polyethylene resin, the MW-540 complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it safe for potable water storage.

Key Features

• 80-Gallon Capacity: Ample potable water storage for marine, RV, or off-grid use.
• Seamless Rotationally Molded Design: Built to resist cracking, leaks, and structural failure.
• FDA-Compliant Polyethylene: Safe for storing drinking water under federal regulations.
• Compact Build: At just 32" x 31" x 19", it fits snugly in square or irregular compartments.
• Marine-Grade Durability: Built to withstand motion, vibration, UV rays, and saltwater.
• Blank Tank Configuration: Ships without fittings for complete plumbing customization.
• Lightweight Yet Sturdy: Weighs 57 lbs for relatively easy transport and installation.
• Made in the USA: Manufactured in Oregon with strict quality assurance.
  

Specifications

• Product type: Marine fresh water tank
• Part number: MW-540
• Capacity: 80 gallons
• Dimensions: 32" L x 31" W x 19" H
• Weight: 57 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

Shipping Information

• Manufacture Lead Time: 3-5 Weeks 
  
• Ships From (State): ID
  

Products are subject to freight or parcel shipping costs. Shipping charges are calculated at checkout based on delivery location, product size, weight, and carrier requirements.

Each tank is manufactured and assembled in the USA using high-quality materials and strict quality control standards—built for long-term, dependable use in demanding applications.

Warranty Information

Custom Roto-Molding tanks are covered by a 5-year manufacturer warranty from the date of original purchase against defects in material and workmanship. Coverage applies to tanks that are correctly installed and have not been subjected to abuse or misuse, and is for the benefit of the original end user. The warranty does not cover misuse, fire, accident, negligence, transit damage, unauthorized modifications, excessive external pressure, abnormal use, product loss through leakage, or related injury/property damage. Manufacturer liability is limited to repair or, at its option, replacement of a qualifying defective product, subject to written notice within the warranty period and return of the item to the point of manufacture with transportation prepaid. For warranty details or to initiate a warranty claim, please contact Tank Supply Direct at info@tanksupplydirect.com.