Description
The Custom Roto-Mold 27 Gallon RV Water Tank (Part# W-78) is engineered to meet the requirements of mobile potable water storage applications. Manufactured from rotationally molded polyethylene resin, this tank is built for safe, long-term potable water use.
This RV water tank is commonly installed in recreational vehicles, campers, food trucks, tiny homes, and other mobile setups where compact water storage is essential.
Its seamless, one-piece construction offers excellent resistance to cracks, chips, and ruptures. The tank is molded from FDA-compliant polyethylene resin (21 CFR 177.1520 (1) 3.1 and 3.2), making it safe for drinking water and food-service operations.
If you need help selecting the right tank or layout, the Tank Superstore team is ready to assist with expert recommendations for your RV, trailer, or mobile build.
Key Features
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27-Gallon Capacity: Optimized for small to mid-size potable water systems.
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Rotationally Molded Construction: One-piece seamless design ensures strength and durability.
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FDA-Approved Resin: Safe for storing drinking water.
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Low-Profile Form Factor: Just 6.5" high—ideal for under-bed or narrow clearance installs.
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Blank Tank Design: No pre-installed fittings; fully customizable for your layout.
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Made in the USA: Manufactured in Oregon using food-grade polyethylene.
Specifications
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Product Type: RV Fresh Water Tank
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Part Number: W-78
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Capacity: 27 Gallons
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Dimensions: 42" L x 22.625" W x 6.5" H
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Weight: 16 lbs
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Material: FDA-Approved 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
Shipping Information
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Manufacture Lead Time: 3-5 Weeks
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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.