41 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-515)

Description

The Custom Roto-Mold 41 Gallon Marine Water Tank (Part# MW-515) is engineered to meet the demands of mobile fresh water storage in marine, RV, and trailer applications. Its low-profile, rectangular footprint provides efficient space utilization in underdeck or compartment-based installations.

Manufactured using rotational molding technology, the tank features a seamless, one-piece body that enhances resistance to cracking, stress fractures, and ruptures, even in environments subject to vibration and movement.

Built with FDA-approved polyethylene resin, the MW-515 complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring the safe containment of potable water. This model ships blank, allowing installers to position fittings exactly where needed for an optimized plumbing setup.

Key Features

• 41-Gallon Capacity: Ideal size for boats, trailers, or RVs requiring reliable mid-range water storage.
• Rotationally Molded Construction: Durable, one-piece seamless design resists impact, stress, and long-term wear.
• FDA-Compliant Polyethylene: Constructed from food-grade resin safe for drinking water storage.
• Space-Efficient Form Factor: At just 9" high (52" L x 28" W x 9" H), this tank fits well in shallow storage bays.
• Marine-Grade Durability: Handles UV, saltwater, and vibration exposure without degradation or leaking.
• Blank Configuration: Ships without pre-installed fittings, allowing custom placement during install.
• Lightweight & Manageable: Weighs only 56 lbs, making it easier to transport and install with help.
• Made in the USA: Proudly manufactured in Oregon, ensuring quality and consistency across every unit.
  

Specifications

• Product Type: Marine fresh water tank
• Part Number: MW-515
• Capacity: 41 gallons
• Dimensions: 52" L x 28" W x 9" H
• Weight: 56 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

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.