51 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-437 [OR])

Description

The Custom Roto-Mold 51 Gallon RV Holding Tank (Part# H-437 [OR]) is engineered to meet the demanding requirements of mobile liquid storage in RVs, campers, trailers, and other mobile systems. Constructed using a seamless, one-piece rotational molding process, this tank delivers excellent structural integrity and durability—resisting cracks, chips, and leaks even in rugged travel conditions.

Made with FDA-approved polyethylene resin, this tank meets FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it a reliable choice for storing potable water, as well as gray or black wastewater. Its slim and elongated form factor is ideal for tight installation areas such as undercarriage compartments or custom enclosures.

Key Features

• 51-Gallon Capacity: Sized for medium-capacity fresh, gray, or black water use.
• Seamless Rotational Molded Construction: Eliminates weak points and enhances resistance to cracking.
• FDA-Approved Polyethylene: Certified safe for potable water storage under FDA 21 CFR 177.1520.
• Slim, Elongated Design: At 85" in length and just 11.25" in height, ideal for low-clearance installs.
• Lightweight for Easy Handling: Weighs just 26 lbs for simplified transport and mounting.
• Blank with DIY Fitting Kit Option: Ships blank for maximum flexibility; fitting kit sold separately.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-437 [OR]
• Capacity: 51 Gallons
• Dimensions: 85"L x 17.375"W x 11.25"H
• Weight: 26 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.