38 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-388)

Description

The Custom Roto-Mold 38 Gallon RV Holding Tank (Part# H-388) is engineered to meet the performance demands of mobile holding storage across a wide range of applications, including RVs, travel trailers, campers, and marine vessels.

Manufactured using a rotationally molded, seamless design, this tank resists cracks, chips, and structural fatigue, even under the stress of daily travel. It is constructed with FDA-approved polyethylene resin, compliant with FDA 21 CFR 177.1520 (1) 3.1 and 3.2, making it safe for potable, grey, or black water storage.

Need help with installation or setup? The Tank Superstore team is ready to assist you in finding the right tank solution for your mobile project.

Key Features

• 38-Gallon Capacity: Ideal for medium-scale water or waste storage in RVs or marine setups.
• FDA-Compliant Resin: Constructed with food-grade polyethylene, safe for drinking water and waste applications.
• Seamless One-Piece Design: Built using rotational molding, eliminating seams for increased leak resistance.
• Mid-Low Profile: Stands at just 9.25" high, making it suitable for shallow compartments or underfloor installs.
• Durable Construction: Withstands road vibration, impact, UV exposure, and temperature swings.
• Blank Tank Configuration: Ships with no pre-installed fittings, perfect for custom installations.
• Lightweight Build: Weighs just 19 lbs, making it easy to maneuver and mount.
• Translucent Color Finish: Semi-transparent walls allow for easy level monitoring without sensors.
• Multi-Use Application: Works well for fresh, grey, or black water systems in various mobile and off-grid setups.
• Made in the USA: Proudly manufactured in Idaho, ensuring consistent quality and reliable production standards.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-388
• Capacity: 38 Gallons
• Dimensions: 54.6875" L x 21.5" W x 9.25" H
• Weight: 19 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.