22 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-398)

Description

The Custom Roto-Mold 22 Gallon RV Holding Tank (Part# H-398) is designed to support compact mobile liquid storage in RVs, travel trailers, van builds, food trucks, and marine vessels.

Its seamless, one-piece rotationally molded construction eliminates structural weak points, delivering exceptional resistance to cracks, impact, and long-term wear.
Made with FDA-compliant polyethylene resin, this tank meets FDA 21 CFR 177.1520 (1) 3.1 and 3.2 standards, making it safe for fresh (potable), grey, or black water applications.

Need help planning your system? The Tank Superstore support team is available to provide technical assistance and application-specific recommendations.

Key Features

• 22-Gallon Capacity: Ideal for compact RVs, van conversions, and mobile kitchens.
• FDA-Approved Polyethylene: Compliant with FDA 21 CFR 177.1520, safe for drinking water or waste storage.
• Rotationally Molded, Seamless Design: Ensures leak-proof strength and longevity in rugged conditions.
• Ultra-Low Profile Geometry: At just 7.75" high, it fits in tight vertical clearance spaces.
• Ships Blank: Comes without fittings, suitable for DIY customization using a fitting kit.
• Lightweight Yet Durable: Weighs only 15 lbs, making installation easier without sacrificing durability.
• Weather and Road-Ready: Resistant to vibration, impact, temperature extremes, and UV degradation.
• Semi-Translucent Finish: Allows for easy fluid level checks without the need for gauges.
• Multi-Application Compatible: Suitable for fresh, grey, or black water in RVs, trailers, boats, and mobile service units.
• Made in the USA: Proudly manufactured in Idaho, ensuring quality and consistency.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-398
• Capacity: 22 Gallons
• Dimensions: 44" L x 38.25" W x 7.75" H
• Weight: 15 lbs
• Material: FDA-Compliant 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 for residential and non-commercial sites.

Includes a 1-Year Limited Warranty covering material and manufacturing defects under standard use.

Price Match Guarantee

If you find the 22 Gallon Custom Roto-Mold Holding Tank (H-398) offered at a lower price from any authorized dealer within 6 months, we will match the price and refund the difference.

Contact: info@tanksupplydepot.com