85 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-550)

Description

The Custom Roto-Mold 85 Gallon Marine Water Tank (Part# MW-550) is engineered for dependable potable water storage in marine and mobile applications requiring a high-capacity solution with vertical clearance. Its tall and narrow footprint makes it a great fit for installations in deep compartments, bulkhead areas, or utility spaces.

Manufactured using rotational molding technology, this tank is built with a seamless, one-piece design that ensures superior resistance to cracks, stress fractures, and deformation, making it ideal for environments exposed to frequent motion and vibration.

Constructed from FDA-approved polyethylene resin, the MW-550 complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring safe and reliable drinking water storage. 

With a generous 85-gallon capacity and durable 92 lb construction, this tank delivers the strength, size, and compliance needed for extended water supply in demanding mobile or offshore environments.

Key Features

• 85-Gallon Capacity: Supports mid- to large-scale potable water use for marine and RV applications.
• Rotationally Molded Construction: Seamless, stress-resistant body for long-term reliability.
• FDA-Compliant Polyethylene: Manufactured with food-grade resin safe for storing drinking water.
• Tall Vertical Design: Measures 30.875" high for deep compartments or upright installations.
• Built for Harsh Conditions: Resists UV degradation, saltwater, and continuous vibration.
• Blank Configuration: Ships without fittings for total customization during installation.
• Heavy-Duty Build: Weighs 92 lbs for stability and long-term durability.
• Made in the USA: Proudly produced in Oregon under rigorous quality standards.
  

Specifications

• Product type: Marine fresh water tank
• Part number: MW-550
• Capacity: 85 gallons
• Dimensions: 76.375" L x 38.5" W x 30.875" H
• Weight: 92 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: 4-5 Week Lead Time 
  
• 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

Warranty coverage varies by manufacturer and product type. For warranty details or to initiate a warranty claim, please contact Tank Supply Direct at info@tanksupplydirect.com.

Price Match Guarantee

If you find the 85 Gallon Custom Roto-Mold Marine Water Tank (MW-550) at a lower price from an authorized competitor within 6 months, we’ll match it and refund the difference.

Contact: info@tanksupplydirect.com