36 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-531)

Description

The Custom Roto-Mold 36 Gallon Marine Water Tank (Part# MW-531) is engineered for dependable potable water storage in marine and mobile applications that require a low-profile, space-efficient solution. Its flat rectangular design allows for easy installation under floors, in shallow compartments, or on tight-deck layouts in boats, RVs, trailers, and mobile units.

Manufactured using rotational molding technology, the tank features a seamless, one-piece construction that provides exceptional resistance to cracking, warping, and rupture, even when exposed to frequent movement, vibration, and temperature variation. It’s built for performance in rugged, on-the-go conditions.

Constructed from FDA-approved polyethylene resin, the MW-531 complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it completely safe for potable water storage.

Key Features

• 36-Gallon Capacity: Great for fresh water supply on boats, trailers, or mobile systems.
• Rotationally Molded Construction: Seamless and highly durable; resists impact and fatigue.
• FDA-Approved Polyethylene: Safe for drinking water and meets all federal potable water standards.
• Low-Profile Form Factor: Measures just 7.5" high—ideal for under-deck or floor installations.
• Marine-Ready Build: Withstands UV, saltwater, and vibration without degrading.
• Blank Tank Design: Ships without fittings, enabling custom placement of ports.
• Moderate Weight: At 55 lbs, it balances rugged strength with ease of handling.
• Made in the USA: Produced in Oregon with strict quality controls and reliable materials.
  

Specifications

• Product type: Marine fresh water tank
• Part number: MW-531
• Capacity: 36 gallons
• Dimensions: 54" L x 28" W x 7.5" H
• Weight: 55 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

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 36 Gallon Custom Roto-Mold Marine Water Tank (MW-531) at a lower price from an authorized competitor within 6 months, we’ll match it and refund the difference.

Contact: info@tanksupplydepot.com