Description
The Custom Roto-Mold 21 Gallon RV Water Tank (Part# W-413) is engineered to meet the requirements of mobile potable water storage applications. Manufactured from rotationally molded polyethylene resin, this tank is designed for fresh water use in a wide range of mobile setups.
Commonly installed in recreational vehicles, campers, tiny homes, and food trucks, this tank offers a compact, rugged, and space-saving solution for storing potable water on the go or in off-grid locations.
The tank’s seamless one-piece construction enhances its structural integrity, offering protection against cracks, chips, and leaks. It is built with FDA-approved, food-grade polyethylene and complies with FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring safe water storage for drinking and cooking purposes.
Key Features
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21-Gallon Capacity: Ideal for compact or mid-size potable water systems in mobile applications.
 
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Rotationally Molded Polyethylene: One-piece, seamless construction minimizes leak risks and improves durability.
 
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FDA-Compliant Materials: Constructed from food-grade resin to safely store drinking water.
 
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Low-Profile Horizontal Design: Measures 10.75" x 34.75" x 15", great for installations in narrow spaces or under benches.
 
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Mobile-Use Ready: Engineered to withstand road vibration, movement, and varying environmental conditions.
 
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Blank Configuration: Ships without fittings, giving you full flexibility over plumbing layout.
 
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Made in the USA: Proudly manufactured in Oregon using premium polyethylene materials.
 
Specifications
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Product Type: RV Fresh Water Tank
 
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Part Number: W-413
 
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Capacity: 21 Gallons
 
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Dimensions: 10.75" L x 34.75" W x 15" H
 
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Weight: 11 lbs
 
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Material: FDA-Compliant Polyethylene
 
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Color: Natural (Translucent White)
 
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Fittings: Blank (No pre-installed fittings)
 
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Manufacturing Location: Oregon, USA
 
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Application: Potable Water
 
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 21 Gallon Custom Roto-Mold Water Tank (W-413) offered at a lower price from any authorized competitor within 6 months of purchase, we’ll match the price and refund the difference.
Contact: info@tanksupplydirect.com