40 Gallon Custom Roto-Mold Marine Water Tank (MPN: MW-443)

Description

The Custom Roto-Mold 40 Gallon Marine Water Tank (Part# MW-443) is designed to provide safe and efficient potable water storage for marine vessels, RVs, camper vans, and other mobile water systems. Its rectangular profile is ideal for under-bench, utility bay, or cargo hold installations where space must be used efficiently.

Manufactured using rotational molding technology, this tank features a seamless, one-piece body that ensures exceptional resistance to leaks, cracks, and structural fatigue — even under constant motion or rugged travel conditions.

Made from FDA-approved polyethylene resin, the MW-443 complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, verifying that it is safe for potable water use. Its translucent natural color provides an easy way to check water levels at a glance.

Key Features

• 40-Gallon Capacity: A practical size for freshwater use in mid-sized boats, RVs, or tiny home systems.
• Rotationally Molded Construction: One-piece seamless design for superior durability and longevity.
• FDA-Compliant Polyethylene: Safe for drinking water storage; made from food-grade resin.
• Space-Efficient Design: Measures 42" L x 23.5" W x 10" H, fitting in compact and flat mounting areas.
• Durable and UV Resistant: Built to handle outdoor, marine, and mobile environments.
• Blank Tank Configuration: Ships without fittings so you can install ports where needed.
• Lightweight Build: Weighs only 43 lbs for easier handling and installation.
• Natural Translucent Color: Enables easy monitoring of water levels.
• Made in the USA: Manufactured in Oregon under rigorous quality control.
  

Specifications

• Product type: Marine fresh water tank
• Part number: MW-443
• Capacity: 40 gallons
• Dimensions: 42" L x 23.5" W x 10" H
• Weight: 43 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: 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 40 Gallon Custom Roto-Mold Marine Water Tank (MW-443) at a lower price from an authorized competitor within 6 months, we’ll match it and refund the difference.

Contact: info@tanksupplydirect.com