40 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-500)

Description

The Custom Roto-Mold 40 Gallon Marine Water Tank (Part# MW-500) is engineered for reliable potable water storage in marine vessels, campers, trailers, and off-grid setups. Its ultra-low-profile design makes it ideal for underfloor or shallow-compartment installations, where space is limited but capacity cannot be compromised.

Built using rotational molding technology, the tank features a seamless, one-piece polyethylene structure that resists cracks, warping, and leaks—even when exposed to constant motion and vibration.

The tank is made from FDA-approved polyethylene resin, complying with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2 for safe potable water storage. It ships blank, meaning there are no pre-installed fittings, allowing users to place connections exactly where needed.

Key Features

• 40-Gallon Capacity – A practical choice for medium-sized fresh water systems on boats, trailers, and van conversions.
• Rotationally Molded Construction – Seamless, rugged polyethylene body offers superior durability in mobile environments.
• FDA-Compliant Polyethylene – Food-grade material approved for safe drinking water storage.
• Ultra-Low-Profile Footprint – Dimensions of 58.5" L x 38.5" W x 5.625" H make it ideal for installations where height clearance is minimal.
• Marine-Grade Performance – Built to withstand exposure to UV rays, saltwater, and continuous vibration without degrading.
• Blank Configuration – Ships with no pre-drilled fittings, giving complete flexibility for custom plumbing.
• Stable and Lightweight – Weighs just 72 lbs, easy to manage with assistance during installation.
• Made in the USA – Proudly manufactured in Oregon, ensuring consistent quality and safety standards.
  

Specifications

• Product Type: Marine fresh water tank
• Part Number: MW-500
• Capacity: 40 gallons
• Dimensions: 58.5" L x 38.5" W x 5.625" H
• Weight: 72 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 40 Gallon Custom Roto-Mold Marine Water Tank (MW-500) at a lower price from an authorized competitor within 6 months, we’ll match it and refund the difference.

Contact: info@tanksupplydepot.com