28 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-558)

Description

The Custom Roto-Mold 28 Gallon RV Holding Tank (Part# H-558) is designed to provide dependable, compact waste or water storage for a variety of RV and mobile applications. Its narrow profile makes it perfect for installations where space is limited or access is tight.

Constructed using rotational molding technology, this tank features a one-piece, seamless design that ensures maximum strength and resistance to cracks, leaks, and corrosion. It’s made from FDA-compliant polyethylene resin (21 CFR 177.1520 (1) 3.1 and 3.2), ensuring safe containment of potable water, greywater, or blackwater.

Whether you’re outfitting a new build or replacing an existing tank, the H-558 offers versatile, reliable performance in a lightweight design.

Key Features

• 28-Gallon Capacity: Ideal for smaller RVs, campers, and portable setups.
• Rotationally Molded Design: Seamless one-piece build eliminates weak points and reduces risk of leaks.
• FDA-Compliant Resin: Built from safe, food-grade polyethylene for use with drinking water or waste systems.
• Low-Profile Configuration: Just under 10" tall—perfect for tight compartments and underfloor installations.
• Rugged Polyethylene Construction: Withstands vibration, road impact, UV rays, and chemical exposure.
• Blank Tank Setup: Ships without fittings, giving you flexibility for custom installations.
• Lightweight Design: Weighs just 14 lbs, making it easy to transport, handle, and mount.
• Made in the USA: Manufactured with strict quality standards for long-lasting use.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-558
• Capacity: 28 Gallons
• Dimensions: 55" L x 13.625" W x 9.875" H
• Weight: 14 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 available upon request for residential or limited-access locations.

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

Price Match Guarantee

If you find the 28 Gallon Custom Roto-Mold Holding Tank (H-558) at a lower price from any authorized retailer within 6 Months, we’ll match the price and refund the difference.

Contact: info@tanksupplydepot.com