40 Gallon Custom Roto-Mold RV Holding Tank (MPN: 4-H-332)

Description

The Custom Roto-Mold 40 Gallon RV Holding Tank (Part #4-H-332) is expertly crafted to serve as a reliable solution for mobile water or waste storage in RVs, trailers, tiny homes, and specialty vehicles.

Manufactured using rotationally molded, FDA-approved polyethylene, this tank offers seamless one-piece construction for enhanced strength and long-term performance. Its low-profile, wide-base design makes it ideal for installations where vertical space is limited.

This 40-gallon holding tank meets FDA 21 CFR 177.1520 (1) 3.1 and 3.2 compliance, making it safe for use with potable water, as well as grey or black water applications.

Key Features

• One-Piece Seamless Design: Engineered to resist cracking, splitting, and leaking under regular use.
• FDA-Compliant Resin: Safe for potable water applications—built from food-grade polyethylene.
• Wide and Low-Profile: 7" tall, making it ideal for shallow compartments or under-vehicle mounting.
• Versatile Use: Supports both fresh and wastewater storage needs.
• DIY Ready: Ships blank—compatible with standard fitting kits for custom configuration.
• Lightweight & Durable: Weighs just 28 lbs while offering robust 40-gallon capacity.
• Made in the USA: Precision-molded and quality-checked in Idaho.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: 4-H-332
• Capacity: 40 Gallons
• Dimensions: 55" L x 35" W x 7" H
• Weight: 28 lbs
• Material: FDA-Approved Polyethylene
• Wall Thickness: Approx. 0.25"
• Color: Natural (Translucent White)
• Fittings: Blank (no pre-installed fittings)
• Manufacturing Location: Idaho, USA
• Application: Fresh, Grey, or Black Water
  

Shipping & Warranty

Ships FOB from Idaho (Zip Code: 83605) under Freight Class 250. Liftgate delivery available upon request.

Backed by a 1-Year Limited Warranty for defects in materials or workmanship

Price Match Guarantee

We’re committed to offering the best price on the market. If you find the 40 Gallon Custom Roto-Mold RV Holding Tank (4-H-332) at a lower price from an authorized retailer within 6 months of purchase, we’ll match the price and refund the difference.

Contact: info@tanksupplydepot.com