The Wacker Neuson Retaining Ring is a genuine OEM component designed for the HX60 Heat Exchanger, HX200 Heat Exchanger, and Pureheat Hydronic Heater series — including Oil Burner, Gas Burner, and Diesel configurations. As a factory-sourced part, the matches the original material grade and dimensional tolerances required for a secure, lasting fit in these heating systems. Whether you're servicing a Pureheat unit on a wintertime concrete pour or maintaining an HX200 in a long-term heating application, this retaining ring ensures critical internal components stay locked in position under thermal cycling and operational stress.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to exact Wacker Neuson specifications, ensuring the ring seats and retains with the correct tension for hydronic heating system components.
- Direct-Fit Replacement — Drops into place on existing mounting points with no rework; engineered to match the original installation in HX and Pureheat assemblies.
- Broad Heater Series Coverage — Confirmed fitment across HX60, HX200, and the full Pureheat Hydronic Heater lineup including Oil Burner, Gas Burner, and Diesel variants.
- Thermal Cycle Durability — Built to withstand the repeated heating and cooling cycles inherent to hydronic and indirect heating systems, preventing premature loosening or failure of retained components.
- Fuel and Fluid System Integrity — A failed or missing retaining ring in a hydronic heater can allow internal components to shift, risking fluid leaks or loss of burner alignment — replacing it promptly restores safe system operation.
A retaining ring is a fastening component used to secure rotating or stationary parts within a bore or on a shaft, preventing axial movement without the need for threaded fasteners. In hydronic and indirect heating equipment like the Pureheat and HX series, retaining rings hold key internal components in their correct operating position through sustained heat, pressure, and vibration. When a retaining ring wears, deforms, or is lost during service, the components it secures can shift or dislodge — leading to fluid leaks, reduced heating efficiency, or more serious mechanical damage to the assembly.
Part Details
| Part Number | 5000168546 |
|---|---|
| Old Part Number | 0168546 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Retaining Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HX 60 Heat Exchanger, 230 V | HX60 | 5000620251 |
| HX200 Heat Exchanger | HX200 | 5000620430 |
| Pureheat Hydronic Heater, Oil Burner | Pureheat | 5000620245, 5000620246, 5000620190 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
