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

Ships FOB from Idaho (Zip Code: 83605), Freight Class 250. Liftgate service is available upon request for residential or limited-access delivery locations.

Backed by a 1-Year Limited Warranty covering defects in materials and workmanship under normal use conditions.

Price Match Guarantee

If you find the 34 Gallon Custom Roto-Mold Holding Tank (H-621) at a lower price from an authorized competitor within 6 months, we’ll match it and refund the difference.

Contact: info@tanksupplydepot.com