20 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-337)

Description

The Custom Roto-Mold 20 Gallon RV Holding Tank (Part #H-337) is engineered to meet the demands of mobile water or waste storage in RVs, trailers, vans, and compact living spaces.

This tank features a seamless, rotationally molded polyethylene construction that ensures exceptional durability and resistance to cracks, chips, and ruptures. It is made using FDA-approved resin, complying with FDA 21 CFR 177.1520 (1) 3.1 and 3.2, making it safe for potable, grey, or black water applications.

Whether you're building out a van conversion or replacing an old tank, our Tank Superstore specialists are ready to help you choose the right solution.

Key Features

• Seamless One-Piece Construction: Prevents leaks and structural failure over time.
• FDA-Approved Polyethylene: Safe for potable water and fully compliant with food-grade standards.
• Slim, Elongated Profile: 68" long and only 8.5" high—perfect for tight or narrow installations.
• Multi-Purpose Use: Suitable for fresh, grey, or black water storage.
• DIY Ready: Ships blank with no fittings, allowing flexible configuration with standard kits.
• Ultra Lightweight: Weighs just 17 lbs, making installation easy and manageable.
• USA Made: Molded and inspected in the USA for quality and consistency.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-337
• Capacity: 20 Gallons
• Dimensions: 68" L x 15" W x 8.5" H
• Weight: 17 lbs
• Material: FDA-Approved Polyethylene
• Wall Thickness: Approx. 0.25"
• Color: Natural (Translucent White)
• Fittings: Blank (no pre-installed fittings)
• Manufacturing Location: USA
• Application: Fresh, Grey, or Black Water
  

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

We’re committed to offering the best price on the market. If you find the 20 Gallon Custom Roto-Mold RV Holding Tank (H-337) at a lower price from an authorized retailer within 6 months of purchase, we’ll match the price and refund the difference.

Contact: info@tanksupplydirect.com