21 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-571)

Description

The Custom Roto-Mold 21 Gallon RV Holding Tank (Part# H-571) is engineered to meet the requirements of mobile liquid storage in RVs, campers, trailers, and portable sanitation systems.

With a seamless, rotationally molded construction, this tank delivers excellent resistance to cracks, chips, and ruptures, ensuring long-term durability even under road vibration and harsh environmental exposure. Made using FDA-approved polyethylene resin, the tank complies with FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it safe for potable water and suitable for black or grey water applications.

Slim and elongated, this 21-gallon tank is designed for narrow or shallow compartments, making it a great fit for custom van builds and compact RVs. The team at Tank Superstore is ready to assist with expert support tailored to your needs.

Key Features

• 21-Gallon Capacity: Ideal for small RVs, van conversions, and portable restroom setups.
• Rotationally Molded Design: Seamless, single-piece construction resists leaks and structural fatigue.
• FDA-Compliant Resin: Built with food-grade polyethylene, suitable for drinking water and waste systems.
• Slim Profile: At only 9" wide and 11" high, fits easily in tight or narrow compartments.
• Durable Build: Withstands UV exposure, chemical contact, vibration, and physical impact.
• Blank Tank Configuration: Ships without fittings, allowing for fully customizable plumbing placement.
• Lightweight Design: Weighs just 13 lbs, making it easy to carry, position, and install.
• Made in the USA: Manufactured with rigorous quality standards for long-lasting use.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-571
• Capacity: 21 Gallons
• Dimensions: 61" L x 9" W x 11" H
• Weight: 13 lbs
• Material: FDA-Compliant 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

If you find the 21 Gallon Custom Roto-Mold Holding Tank (H-571) at a lower price from any authorized retailer within 6 Months, we’ll match the price and refund the difference.

Contact: info@tanksupplydirect.com