21 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-428)

Description

The Custom Roto-Mold 21 Gallon RV Holding Tank (Part# H-428) is engineered to meet the requirements of mobile holding storage applications in RVs, campers, trailers, and mobile units. Its seamless, rotationally molded construction offers excellent durability, resisting cracks, chips, and ruptures even in rugged conditions.

Constructed with FDA-approved polyethylene resin, this tank meets FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it safe for the storage of potable water as well as black or gray water. Its shallow, low-profile design is ideal for tight compartments and underfloor installations.

Whether you're upgrading an existing setup or installing a new system, this 21-gallon tank is a compact, reliable solution. The Tank Superstore team is ready to assist you in selecting the right fit for your RV or trailer.

Key Features

• 21-Gallon Capacity: Suitable for potable, gray, or black water applications.
• Seamless Rotational Molded Construction: Provides superior strength and eliminates potential leak points.
• FDA-Approved Polyethylene: Fully compliant with FDA 21 CFR 177.1520 for potable water use.
• Low-Profile Design: Only 6" in height, perfect for shallow mounting spaces.
• Lightweight Build: Weighs just 15 lbs for easy transport and installation.
• Blank with DIY Fitting Kit Option: Ships blank; optional DIY fitting kit available.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-428
• Capacity: 21 Gallons
• Dimensions: 53"L x 24"W x 6"H
• Weight: 15 lbs
• Material: FDA-Approved, BPA-Free Polyethylene
• Regulatory Compliance: FDA 21 CFR 177.1520 (1) 3.1 & 3.2
• Color Options: Natural or Black (subject to availability)
• Configuration: Blank (no fittings); DIY Fitting Kit optional
• Use Environment: Above-Ground, Mobile Installations (RV/Trailer)
• Ships From: Oregon, USA
  

Shipping & Warranty

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

Includes a 1-Year Limited Warranty covering defects in materials and workmanship under normal use.

Price Match Guarantee

At Tank Superstore, we guarantee the best price. If you find the Custom Roto-Mold 21 Gallon RV Holding Tank (H-428) at a lower price within 6 Months of purchase, we’ll refund the difference.

Contact: info@tanksupplydepot.com