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Custom Roto-Molding

31 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-538)

31 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-538)

SKU: H-538

Regular price
Price: $411.00
Regular price
List Price:
Sale price
Price: $411.00
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Description

The Custom Roto-Mold 31 Gallon RV Holding Tank (Part# H-538) is expertly engineered for use in RVs, trailers, campers, and other mobile liquid storage systems that require a long, low-profile tank.

Crafted with seamless rotational molding, this tank offers outstanding durability and protection against cracks, chips, and impact-related failures. Built using FDA-approved polyethylene resin, it complies with FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it suitable for potable water, greywater, or blackwater use.

With its impressive 103-inch length and slim 8.5-inch height, the H-538 is a great fit for underbelly or chassis-mounted installations where space is limited but capacity is still a priority.

Key Features
  • 31-Gallon Capacity: Ideal for small to mid-size RV and camper systems where space-efficient storage is needed.
  • Seamless Rotational Molded Design: Ensures long-term performance by eliminating joints and weak points.
  • FDA-Compliant Resin: Safe for use with drinking water, as well as grey and black water systems.
  • Slim, Long Profile: Just 8.5" high and over 8 feet long—perfect for tight horizontal mounting spaces.
  • Durable Polyethylene Construction: Resistant to UV damage, vibration, chemicals, and road debris.
  • Blank Configuration: Ships without fittings, allowing you to place custom ports where needed.
  • Lightweight and Easy to Install: Weighs only 24 lbs, making transport and handling simple.
  • Manufactured in the USA: Built with high-quality domestic materials under strict quality control.
Specifications
  • Product Type: RV Holding Tank
  • Part Number: H-538
  • Capacity: 31 Gallons
  • Dimensions: 103" L x 34" W x 8.5" H
  • Weight: 24 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 31 Gallon Custom Roto-Mold Holding Tank (H-538) offered at a lower price by any authorized retailer within 6 months, we’ll match the price and refund the difference.

Contact: info@tanksupplydirect.com


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