34 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-621)

Description

The Custom Roto-Mold 34 Gallon RV Holding Tank (Part# H-621) is engineered to meet the demands of mobile holding storage applications, including RVs, campers, trailers, food trucks, and off-grid systems. With a narrow and elongated footprint, this tank is perfect for installations that require length over width or depth, such as under chassis or alongside structural frames.

Built using rotational molding technology, the tank features a seamless, one-piece construction that provides outstanding resistance to cracking, chipping, and leaking. Constructed from FDA-approved polyethylene resin, it complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it safe for potable water, greywater, or blackwater storage.

If you need support with system planning or installation advice, the Tank Superstore's team of specialists is here to assist with personalized recommendations.

Key Features

• 34-Gallon Capacity: Designed for mid-sized fluid storage in mobile sanitation systems.
• Rotationally Molded Construction: Seamless, one-piece body for long-term durability and leak prevention.
• FDA-Compliant Polyethylene: Approved for use with potable water, greywater, or blackwater.
• Slim, Elongated Profile: 84" long and just 11" wide/high—ideal for undercarriage or linear mounting.
• Rugged & Reliable: Resistant to UV rays, road vibration, chemical exposure, and impact.
• Blank Tank Configuration: Ships without fittings, giving you freedom to install custom plumbing.
• Lightweight Yet Sturdy: Weighs just 17 lbs for easy handling and secure installation.
• Made in the USA: Proudly manufactured in Oregon under strict quality control protocols.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-621
• Capacity: 34 Gallons
• Dimensions: 84" L x 11" W x 11" H
• Weight: 17 lbs
• Material: FDA-Compliant Polyethylene
• Wall Thickness: Approx. 0.25"
• Color: Natural (Translucent White)
• Fittings: Blank (No pre-installed fittings)
• Manufacturing Location: Oregon, USA
• Application: Potable Water, Greywater, or Blackwater
  

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.