37 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-539)

Description

The Custom Roto-Mold 37 Gallon RV Holding Tank (Part# H-539) is purpose-built for demanding mobile liquid storage needs in RVs, campers, trailers, and mobile sanitation units where length and low profile are essential.

Its rotationally molded, one-piece construction delivers excellent resistance to cracks, impacts, and vibrations, ensuring long-term reliability on and off the road. Crafted from FDA-approved polyethylene resin, it complies with FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it safe for potable water, greywater, or blackwater use.

Whether you're replacing an existing tank or designing a new system, the H-539 provides a slim yet spacious solution for your RV’s holding requirements.

Key Features

• 37-Gallon Capacity: Optimized for medium-size RVs and trailers, offering generous liquid storage.
• Seamless Rotational Molding: Ensures superior strength and minimizes the risk of leaks or fractures.
• FDA-Compliant Polyethylene: Approved for fresh, grey, and black water applications.
• Low-Profile Design: At only 10.5" high and over 8 feet long, it fits tight clearance installations.
• Impact & Chemical Resistant: Durable against UV exposure, road debris, and chemical wear.
• Blank Configuration: Ships without fittings, allowing for custom inlet/outlet placement.
• Lightweight Construction: Weighs just 24 lbs, making transport and installation easy.
• Made in the USA: Built with quality materials and domestic manufacturing standards.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-539
• Capacity: 37 Gallons
• Dimensions: 104" L x 28.5" W x 10.5" 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 37 Gallon Custom Roto-Mold Holding Tank (H-539) advertised at a lower price by any authorized retailer within 6 months, we’ll match the price and refund the difference.

Contact: info@tanksupplydirect.com