37 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-654)

Description

The Custom Roto-Mold 37 Gallon RV Holding Tank (Part# H-654) is engineered to provide dependable holding capacity for RVs, trailers, and mobile sanitation systems. Its broad and low-profile design makes it ideal for underbelly or floor-mounted installations where height clearance is limited.

Constructed with rotationally molded, FDA-compliant polyethylene, this tank offers superior structural integrity, resisting cracks, punctures, and corrosion. The seamless design ensures a leak-proof build, making it a reliable option for storing fresh water, greywater, or blackwater.

Whether you're upgrading or customizing your RV plumbing setup, the Tank Superstore team is here to help you identify the right solution for your specific application.

Key Features

• 37-Gallon Capacity: Ideal for medium-sized RV systems or off-grid storage
• Rotationally Molded Construction: Seamless one-piece design minimizes risk of leaks or ruptures
• FDA-Compliant Material: Safe for storing potable water or wastewater
• Low-Profile Design: Allows installation in height-restricted compartments
• Blank Configuration: Ships without fittings for custom placement flexibility
• UV-Resistant & Chemical-Resistant: Built to perform in harsh outdoor environments
• Made in the USA: Precision molded in Oregon for dependable quality
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-654
• Capacity: 37 Gallons
• Dimensions: 48.8125" L x 30.4375" W x 7" H
• Weight: 26 lbs
• Material: FDA-Compliant Polyethylene
• Wall Thickness: Approx. 0.25"
• Color: Natural (Translucent White)
• Fittings: Blank (No pre-installed fittings)
• Manufacturing Location: Oregon, USA
• Applications: Fresh Water, Greywater, or Blackwater
  

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

Found the 37 Gallon Custom Roto-Mold Holding Tank (H-654) for less elsewhere? We offer a 6-month price match guarantee—we’ll match it and refund the difference.

Contact: info@tanksupplydirect.com