27 Gallon Custom Roto-Mold RV Water Tank (MPN: W-78)

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

• 27-Gallon Capacity: Optimized for small to mid-size potable water systems.
• Rotationally Molded Construction: One-piece seamless design ensures strength and durability.
• FDA-Approved Resin: Safe for storing drinking water.
• Low-Profile Form Factor: Just 6.5" high—ideal for under-bed or narrow clearance installs.
• Blank Tank Design: No pre-installed fittings; fully customizable for your layout.
• Made in the USA: Manufactured in Oregon using food-grade polyethylene.
  

Specifications

• Product Type: RV Fresh Water Tank
• Part Number: W-78
• Capacity: 27 Gallons
• Dimensions: 42" L x 22.625" W x 6.5" H
• Weight: 16 lbs
• Material: FDA-Approved Polyethylene
• Color: Natural (Translucent White)
• Fittings: Blank (No pre-installed fittings)
• Manufacturing Location: Oregon, USA
• Application: Potable Water
  

Shipping & Warranty

Ships FOB from Idaho (Zip Code: 83605), Freight Class 250. Liftgate service available upon request for residential or limited-access deliveries.

Covered by a 1-Year Limited Warranty against material or manufacturing defects under normal usage.

Price Match Guarantee

If you find the 27 Gallon Custom Roto-Mold RV Water Tank (W-78) at a lower price through an authorized distributor within 6 months of purchase, we’ll match it and refund the difference.

Contact: info@tanksupplydirect.com