The Dometic water heater anode rod protects your RV's water tank from rust and corrosion by sacrificially corroding instead of your tank walls. This lead-free anode rod is essential maintenance for pre-2006 Dometic water heaters, extending tank life and ensuring safe, clean water storage during your travels.
Key Features
- Lead-free construction meets modern safety and environmental standards
- Sacrificial design corrodes to protect steel tank from rust
- Compatible with Dometic water heaters manufactured before 2006
- Extends water heater tank lifespan significantly
- Easy installation—simply thread into existing anode port
- Genuine OEM Dometic part ensures proper fit and performance
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 91604 |
| Material | Lead-Free Anode Rod |
| Compatibility | Dometic Water Heaters (Pre-2006) |
| Application | Corrosion Protection |
| Installation Type | Threaded Port Mount |
Frequently Asked Questions
Q: How often should I replace the anode rod?
A: Anode rods typically need replacement every 3–5 years, depending on water quality and usage. If your water heater is more than 5 years old and you haven't replaced the anode, now is the time.
Q: Will this rod fit my Dometic water heater?
A: This part is designed for pre-2006 Dometic models. Check your water heater's manufacturing date or model number to confirm compatibility before ordering.
Q: What happens if I don't replace a worn anode rod?
A: Without an anode rod, your steel tank will corrode directly, leading to leaks, rust-colored water, and eventual tank failure—a costly replacement.
Why 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 is genuine OEM Dometic stock, backed by our expert support team to help you get the exact component your RV needs.
| Product_name | Dometic Water Heater Anode Rod - Lead Free - Pre-2006 Models |
|---|---|
| Part_number | 91604 |
| Manufacturer | Dometic |
| Product_type | Anode Rod |
| Material_composition | Lead Free |
| Compatibility | Dometic water heatersSHURflo water heater modelsAtwood water heater modelsPre-2006 modelsManufactured before June 2006 |
| Function | Sacrificial anode for corrosion protection |
| Installation_type | Replacement/OEM |
| Installation_method | Unscrew from tank drain valve |
| Product_category | Service Parts |
| New_arrival | true |
| Oem_part | true |
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.