45 Gallon Custom Roto-Mold RV Water Tank (MPN: W-336)

Description

The Custom Roto-Mold 45 Gallon RV Water Tank (Part# W-336) is engineered to meet the rigorous demands of mobile potable water storage. Manufactured using rotationally molded polyethylene resin, this tank features a seamless, one-piece design that offers maximum strength and resistance to cracks, leaks, and ruptures.

Ideal for use in recreational vehicles, campers, food trucks, vans, and tiny homes, the W-336 provides dependable fresh water storage in a space-efficient layout. Its long, low-profile footprint allows for installation in tight areas or underfloor compartments without compromising on capacity.

Crafted from FDA-approved polyethylene resin, this tank complies with FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring it is safe for potable water use. Whether you are upgrading an RV system or installing a fresh water tank in a new mobile build, the W-336 delivers durability, versatility, and performance.

Key Features

• 45-Gallon Capacity: Well-suited for medium-capacity potable water systems in RVs, trailers, and mobile builds.
• Rotationally Molded Polyethylene: Seamless one-piece construction eliminates weak points and ensures long-term reliability.
• FDA-Compliant Materials: Made from food-grade polyethylene resin approved for potable water use.
• Low-Profile Footprint: Measures 56" x 27" x 7.75", making it ideal for narrow or low-clearance installation spaces.
• Blank Configuration: Ships with no fittings installed to allow total customization of inlet/outlet locations.
• Made in the USA: Proudly manufactured in Oregon using premium-quality polyethylene resin.
  

Specifications

• Product Type: RV Fresh Water Tank
• Part Number: W-336
• Capacity: 45 Gallons
• Dimensions: 56" L x 27" W x 7.75" H
• Weight: 25 lbs
• Material: FDA-Compliant Polyethylene
• Color: Natural (Translucent White)
• Fittings: Blank (No pre-installed fittings)
• Manufacturing Location: Oregon, USA
• Application: Potable Water
  

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.