21 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-553)

Description

The Custom Roto-Mold 21 Gallon RV Holding Tank (Part# H-553) is engineered to meet the rugged demands of mobile liquid storage in RVs, trailers, campers, and portable sanitation systems.

This tank is constructed using seamless rotational molding, providing superior resistance to cracking, leaking, and structural damage—even in challenging travel and environmental conditions. Made from FDA-approved polyethylene resin, it complies with FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it safe for both potable water and wastewater use.

If you're planning a system upgrade or a fresh install, this compact 21-gallon tank offers versatile performance and exceptional reliability.

Key Features

• 21-Gallon Capacity: Perfect for smaller RVs, off-grid trailers, or compact sanitation systems.
• Rotationally Molded Construction: One-piece design minimizes risk of leaks and boosts durability.
• FDA-Compliant Resin: Suitable for freshwater, greywater, and blackwater applications.
• Compact Vertical Design: Stands at nearly 13" tall, maximizing storage in tight horizontal spaces.
• Blank Tank Format: Ships without pre-installed fittings, allowing for custom port placement.
• Lightweight Yet Strong: Weighs just 10 lbs, ensuring easy transport and installation.
• Made in the USA: Crafted to high-quality standards using reliable materials.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-553
• Capacity: 21 Gallons
• Dimensions: 24" L x 19.5" W x 12.75" H
• Weight: 10 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

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

Protected by a 1-Year Limited Warranty covering manufacturing defects under standard operating conditions.

Price Match Guarantee

If you discover the 21 Gallon Custom Roto-Mold Holding Tank (H-553) at a lower price from any authorized retailer within 6 months, we’ll match that price and refund the difference.

Contact: info@tanksupplydepot.com