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31 Gallon RV Holding Tank - Premium Quality by Elkhart Plastics
Upgrade your RV's waste management system with this durable 31-gallon holding tank from Elkhart Plastics, a trusted name in RV components. Designed for reliable performance and long-lasting durability, this tank is perfect for black water or gray water applications.
Key Benefits
- Optimal Capacity: 31-gallon capacity provides extended use between dump station visits
- Space-Efficient Design: Compact dimensions (27.5" x 20.5" x 18.5") fit most RV configurations
- Built to Last: Manufactured by Elkhart Plastics using high-quality, impact-resistant materials
- Versatile Application: Suitable for both black water and gray water systems
- Easy Installation: Standard fittings and connections for straightforward replacement
Technical Specifications
- Capacity: 31 Gallons
- Dimensions: 27.5" L x 20.5" W x 18.5" H
- Weight: 20 lbs
- Manufacturer: Elkhart Plastics/Ameri-Kart
- Part Number: H1235005 (EPI 4852)
- SKU: H1235005
- Barcode: 51816507
- Material: High-density polyethylene (HDPE)
Perfect For
- RV holding tank replacement and upgrades
- Travel trailers, fifth wheels, and motorhomes
- Black water waste systems
- Gray water drainage systems
- Custom RV builds and renovations
- Commercial RV fleet maintenance
Why Choose Elkhart Plastics?
Elkhart Plastics is an industry leader in RV tank manufacturing, known for producing durable, leak-resistant tanks that withstand the rigors of road travel. This holding tank features robust construction that resists cracking, warping, and chemical degradation from waste and cleaning products.
Installation & Compatibility
This holding tank is designed as a direct replacement for many RV models. Before ordering, verify your existing tank dimensions and connection locations to ensure proper fitment. Standard RV plumbing fittings make installation straightforward for DIY enthusiasts or professional installers.
In Stock & Ready to Ship
We maintain inventory of this popular holding tank for immediate shipment. Get your RV back on the road quickly with fast, reliable delivery from Elkhart RV Parts.
Need help with product identification or have questions? Use our AI Live Chat for expert assistance with deep product knowledge and compatibility guidance.
Order your 31-gallon RV holding tank today and enjoy reliable waste management on all your adventures!
| Material | black polyethylene |
|---|---|
| Width (inches) | 20.5 |
| Height (inches) | 18.5 |
| Length (inches) | 27.5 |
| Capacity (gallons) | 31 |
| Wall thickness (inches) | 0.18 |
| Outlet diameter (inches) | 3 |
- What is the capacity of the rv holding tank? The RV holding tank has a capacity of 31 gallons.
- What are the dimensions of this holding tank? The holding tank measures 27 1/2 inches by 20 1/2 inches by 18 1/2 inches.
- Does the tank come with fittings installed? No, this is a blank tank with no fittings; fittings can be added per quote.
- What material is the tank made from and how thick are the walls? The tank is made from black polyethylene with a wall thickness of 0.180 inches.
- What is the sealed hole on top of the tank for? The sealed hole on top of the tank is a venting hole used during the manufacturing process and has no functional use for the end-user.
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.






