The Dometic HD Holding Tank (4015 Series) is a heavy-duty waste water storage tank designed for RV owners who need reliable, long-lasting holding tank performance. This genuine OEM Dometic part is built to handle the demands of full-time and frequent RV use, providing dependable waste containment for your black water or gray water system.
Key Features
- Heavy-duty construction designed for maximum durability and longevity
- OEM Dometic quality ensures compatibility with your RV waste system
- Corrosion-resistant materials withstand harsh RV environments
- Secure mounting design prevents leaks and movement during travel
- Designed for both black water and gray water applications
- Part of the proven 4015 Series tank lineup
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 385344015 |
| Series | 4015 Series |
| Tank Type | Heavy-Duty Holding Tank |
| Manufacturer | Dometic |
Frequently Asked Questions
Q: Will this tank fit my RV?
A: The Dometic 4015 Series tank is designed for specific RV models. We recommend verifying your current tank's part number or contacting our expert support team to confirm compatibility with your RV's waste system.
Q: Can this tank be used for both black water and gray water?
A: Yes, this heavy-duty holding tank is constructed to handle both black water and gray water applications, making it a versatile replacement option for your RV's waste management system.
Q: How do I know if my holding tank needs replacement?
A: Signs of a failing holding tank include persistent odors, leaks underneath your RV, sensor malfunctions, or visible cracks. If you're experiencing any of these issues, a replacement tank like this Dometic model is the solution.
Why Choose Elkhart RV Parts
We specialize in hard-to-find Dometic RV replacement parts and ship directly from Elkhart, Indiana—the RV capital of the world. Every part we sell is genuine OEM Dometic equipment backed by our expert support team. When you need a replacement holding tank you can trust, Elkhart RV Parts has the inventory and knowledge to get you the right part fast.
| Brand | Dometic |
|---|---|
| Product_type | Holding Tank |
| Series | 4015 |
| Part_number | 385344015 |
| Application | RV Waste Management System |
| Oem_part | true |
| Compatibility | Dometic 4015 series |
| Tank_type | Waste/Black Water |
| Fittings_included | true |
| Installation_type | Replacement |
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.