20 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-429)

Description

The Custom Roto-Mold 20 Gallon RV Holding Tank (Part# H-429) is engineered to meet the requirements of mobile holding storage applications in RVs, trailers, campers, and specialty vehicles. Its seamless, rotationally molded polyethylene construction offers superior durability and long-lasting resistance to cracking, chipping, and rupture.

Manufactured from FDA-approved polyethylene resin, this tank meets FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring safe use for potable water storage as well as for gray or black water applications. Its extra-wide, low-profile design is ideal for mounting in shallow compartments and under-floor spaces.

Whether you're planning a new install or replacing an old tank, this 20-gallon model provides a compact and effective solution. The Tank Superstore team is available to help you select the best configuration for your setup.

Key Features

• 20-Gallon Capacity: Suitable for use with black water, gray water, or potable water.
• Seamless Rotational Molded Construction: One-piece design eliminates weak points to prevent leaks.
• FDA-Approved Polyethylene: Safe for potable water use, compliant with FDA 21 CFR 177.1520.
• Ultra-Low Profile Design: Just 6" tall and 80" wide—ideal for tight vertical clearances.
• Lightweight and Easy to Handle: Weighs only 17 lbs, simplifying transport and installation.
• Blank with DIY Fitting Kit Option: Ships blank; optional DIY kit available for custom fitting placement.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-429
• Capacity: 20 Gallons
• Dimensions: 80"L x 40.5"W x 6"H
• Weight: 17 lbs
• Material: FDA-Approved, BPA-Free Polyethylene
• Regulatory Compliance: FDA 21 CFR 177.1520 (1) 3.1 & 3.2
• Color Options: Natural or Black (subject to availability)
• Configuration: Blank (no fittings); DIY Fitting Kit optional
• Use Environment: Above-Ground, Mobile Installations (RV/Trailer)
• Ships From: Oregon, USA
  

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.