55 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-497)

Description

The Custom Roto-Mold 55 Gallon RV Holding Tank (Part# H-497) is engineered to meet the demanding requirements of mobile water and waste storage for RVs, campers, trailers, and marine vessels.

Manufactured using a rotationally molded, seamless design, this tank delivers superior durability—resisting cracks, leaks, and structural fatigue even under road stress and frequent use. Built from FDA-approved polyethylene resin, it complies with FDA 21 CFR 177.1520 (1) 3.1 and 3.2, making it safe for storing fresh, grey, or black water.

Need help with sizing or installation? The Tank Superstore team is here to provide expert support and personalized recommendations for your project.

Key Features

• 55-Gallon Capacity: Suitable for mid- to large-size RV and mobile systems requiring expanded water or waste storage.
• FDA-Compliant Polyethylene: Made from food-grade resin safe for potable water and wastewater use.
• One-Piece Seamless Design: Reduces the risk of leaks and structural weakness.
• Low-Profile Tank: Just 9" high—ideal for under-bed or shallow bay installations.
• Lightweight Yet Sturdy: Weighs 27 lbs while maintaining high durability for road travel.
• Blank Configuration: Ships without pre-installed fittings, ideal for DIY customization.
• UV & Impact Resistant: Built for rugged outdoor conditions and varying climates.
• Made in the USA: Manufactured with strict quality control standards for dependable performance.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-497
• Capacity: 55 Gallons
• Dimensions: 54.25" L x 34" W x 9" H
• Weight: 27 lbs
• Material: FDA-Compliant Polyethylene
• Wall Thickness: Approx. 0.25"
• Color: Natural (Translucent White)
• Fittings: Blank (No pre-installed fittings)
• Manufacturing Location: USA
• Application: Fresh, Grey, or Black Water
  

Shipping & Warranty

Ships FOB from Oregon, under Freight Class 250. Liftgate service available for residential and limited-access locations.

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

Price Match Guarantee

If you find the 55 Gallon Custom Roto-Mold Holding Tank (H-497) at a lower price from an authorized retailer within 6 Months, we’ll match the price and refund the difference.

Contact: info@tanksupplydepot.com