21 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-556)

Description

The Custom Roto-Mold 21 Gallon RV Holding Tank (Part# H-556) is engineered to perform reliably in a wide range of mobile liquid storage applications such as RVs, trailers, campers, and portable sanitation systems.

Featuring a seamless, rotationally molded design, this tank delivers outstanding structural strength, effectively resisting cracks, leaks, and impacts during travel or outdoor use. Made from FDA-approved polyethylene resin, it fully complies with FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it ideal for both potable water and wastewater containment.

Compact and durable, this 21-gallon tank offers versatile installation options, making it a dependable choice for tight compartments or custom setups.

Key Features

• 21-Gallon Capacity: Ideal for compact RVs, vans, trailers, or portable sanitation systems.
• Rotationally Molded Construction: One-piece tank design minimizes leaks and improves durability.
• FDA-Compliant Polyethylene: Safe for drinking water and approved for black and grey water applications.
• Space-Efficient Design: At just 24" long and 14" high, it fits well in tight or low-profile spaces.
• Blank Tank Configuration: Ships without fittings for customized plumbing placement.
• Lightweight and Easy to Handle: Weighs only 10 lbs for simplified transport and installation.
• Made in the USA: Crafted with quality materials and precision molding.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-556
• Capacity: 21 Gallons
• Dimensions: 24.0625" L x 20.5" W x 14" 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

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-556) offered at a lower price by an authorized retailer within 6 months, we’ll match the price and refund the difference.

Contact: info@tanksupplydirect.com