40 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-408 [OR])

Description

The Custom Roto-Mold 40 Gallon RV Holding Tank (Part# H-408 [OR]) is designed for mobile liquid storage in RVs, trailers, camper vans, marine applications, and off-grid systems.

With seamless one-piece construction achieved through rotational molding, this tank delivers enhanced resistance to cracks, leaks, and long-term wear.

Built using FDA-approved polyethylene resin, it is compliant with FDA 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring safe use for fresh (potable), grey, or black water.
Let Tank Superstore's specialists assist you in customizing the best holding tank system for your build.

Key Features

• 40-Gallon Capacity: Provides solid mid-size storage for water or waste across a range of mobile systems.
• FDA-Compliant Polyethylene Resin: Certified for safe potable water use, also suitable for grey and black water.
• Rotationally Molded Seamless Body: Eliminates seams and weak points for long-term structural integrity.
• Low-to-Mid Profile Layout: Just 10.25" high, allowing flexible installation in tight undercarriage spaces or storage bays.
• Blank Tank Configuration: Ships without pre-installed fittings, supporting DIY custom fitting kits.
• Durable and Lightweight: Weighs only 21 lbs, simplifying handling and installation.
• Built to Withstand Mobile Use: Resists vibration, impact, UV exposure, and temperature variation.
• Natural Semi-Translucent Finish: Allows for visual fluid level inspection without gauges.
• Multi-Purpose Versatility: Excellent for use in RVs, boats, mobile kitchens, and sanitation units.
• Made in the USA: Produced in Idaho under high manufacturing quality standards.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-408 [OR]
• Capacity: 40 Gallons
• Dimensions: 39.5" L x 27.5" W x 10.25" H
• Weight: 21 lbs
• Material: FDA-Compliant Polyethylene
• Wall Thickness: Approx. 0.25"
• Color: Natural (Translucent White)
• Fittings: Blank (No pre-installed fittings)
• Manufacturing Location: Idaho, USA
• Application: Fresh, Grey, or Black Water
  

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.