42 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-405)

Description

The Custom Roto-Mold 42 Gallon Marine Water Tank (Part# MW-405) is designed to meet the demands of potable water storage in marine, RV, and mobile environments. With its broad, low-profile footprint, it is ideal for shallow compartments, deck storage, or under-bench installations in boats, trailers, or van conversions.

This tank is constructed using rotational molding technology, resulting in a seamless, one-piece body that resists cracks, leaks, and structural fatigue. It is manufactured from FDA-approved polyethylene resin, ensuring compliance with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it safe for drinking water use.

The tank ships blank (no pre-installed fittings), allowing full flexibility for your plumbing configuration. Whether for a freshwater system on the water or on the road, the MW-405 delivers rugged, high-capacity performance in a space-saving format.

Key Features

• 42-Gallon Capacity: Provides dependable freshwater storage for marine vessels, RVs, and mobile systems.
• Rotationally Molded Construction: Seamless, single-piece design delivers superior durability and structural integrity.
• FDA-Compliant Polyethylene: Made from food-grade resin that is safe for potable water use.
• Low-Profile Rectangular Design: Measures 64.5" L x 29.625" W x 8.5" H, ideal for shallow installation locations.
• Rugged and Reliable: Engineered to withstand vibration, UV exposure, and saltwater conditions.
• Blank Configuration: Ships without fittings for complete customization of inlet/outlet locations.
• Heavy-Duty Construction: Weighs 70 lbs and features thick walls suitable for long-term use.
• Natural Translucent Color: Allows for quick and easy visual monitoring of water level.
• Made in the USA: Proudly manufactured in Oregon under stringent quality control standards.
  

Specifications

• Product type: Marine fresh water tank
• Part number: MW-405
• Capacity: 42 gallons
• Dimensions: 64.5" L x 29.625" W x 8.5" H
• Weight: 70 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.