18 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-328)

Description

The Custom Roto-Mold 18 Gallon RV Holding Tank (Part #H-328) is engineered to deliver reliable liquid storage in mobile environments such as RVs, campers, food trucks, and marine vehicles.

Manufactured using rotational molding technology, this one-piece tank offers enhanced durability and resistance to vibration, impacts, and environmental wear. Constructed with FDA-approved polyethylene resin, it complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 & 3.2, making it ideal for fresh, grey, or black water storage.

With its long and narrow form, this tank is ideal for low-profile installations or custom fitment projects where space optimization is key.

Key Features

• Seamless Rotationally Molded Design: Eliminates weak points found in welded or assembled tanks.
• FDA-Compliant Material: Crafted from food-grade polyethylene resin safe for potable water.
• Versatile Applications: Compatible with black, grey, or fresh water systems.
• Slim Profile: 8" height and 14" width make it ideal for underfloor or low-clearance spaces.
• Durable & Lightweight: Weighs only 15 lbs while maintaining excellent impact resistance.
• Blank Configuration: Ships without pre-installed fittings for maximum customization.
• Made in the USA: Proudly manufactured in Idaho to rigorous quality standards.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-328
• Capacity: 18 Gallons
• Dimensions: 68" L x 14" W x 8" H
• Weight: 15 lbs
• Material: FDA-Approved Polyethylene
• Wall Thickness: Approx. 0.25"
• Color: Natural (Semi-Translucent)
• Design: Low-Profile Rectangular
• Fittings: Blank (no pre-installed fittings)
• Manufacturing Location: Idaho, USA
• Application: Fresh, Grey, or Black Water Storage
  

Shipping & Warranty

Shipping Information

• Manufacture Lead Time: 4-5 Week Lead Time 
  
• 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

Warranty coverage varies by manufacturer and product type. For warranty details or to initiate a warranty claim, please contact Tank Supply Direct at info@tanksupplydirect.com.

Price Match Guarantee

At Tank Superstore, we ensure the best value. If you find the 18 Gallon Custom Roto-Mold RV Holding Tank (Part #H-328) at a lower price from an authorized dealer within 6 months, we’ll match the price and refund the difference.

Contact: info@tanksupplydirect.com