The Dometic 18 HTS Machined Head Tank Kit is the replacement holding tank assembly for Dometic's 18 HTS toilet systems. This kit includes the machined head tank component that collects and holds waste, making it essential for RV owners whose original tank has cracked, leaked, or become damaged beyond repair.
Key Features
- OEM Dometic machined head tank designed for 18 HTS toilet models
- Precision-engineered construction for reliable waste containment
- Direct replacement—no modifications required for installation
- Durable materials built to withstand years of RV use
- Complete kit includes all necessary components for the head tank assembly
- Compatible with standard 18 HTS toilet plumbing connections
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 385400018 |
| Manufacturer | Dometic |
| Toilet Model | 18 HTS |
| Component Type | Machined Head Tank Kit |
| Application | RV Toilet Holding Tank Assembly |
Frequently Asked Questions
Q: Will this head tank kit fit my older Dometic 18 HTS toilet?
A: Yes. This is the OEM replacement tank for Dometic 18 HTS models. Verify your toilet model number before ordering to ensure compatibility.
Q: What's included in this kit?
A: This kit includes the machined head tank assembly and all necessary internal components. Check the product manual or contact our support team for a complete parts list.
Q: Do I need special tools to install this tank?
A: Basic plumbing tools and a wrench are typically required. Refer to your Dometic toilet service manual for detailed installation instructions, or contact our expert support team for guidance.
Why Choose Elkhart RV Parts
We specialize in hard-to-find Dometic RV replacement parts. Shipping from Elkhart, Indiana—the RV capital of the world—we stock genuine OEM parts and provide expert support to help you get your RV systems running smoothly.
| Brand | Dometic |
|---|---|
| Product_type | Toilet Tank Kit |
| Model_compatibility | 18 HTS |
| Part_number | 385400018 |
| Kit_type | Machined Head Tank Kit |
| Application | RV Sanitation System |
| Part_category | OEM Replacement |
| Weight_lbs | 25.78 |
| Included_components | Complete service kit with all necessary components |
| Installation_status | Ready to install |
| Product_condition | New |
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 Genuine, name-brand components made to order — never generic, never outdated.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.