The Wacker Neuson Terminal is a genuine OEM component designed for HSH350 and HP252 series hydronic surface heaters. As a direct factory replacement, this terminal ensures proper electrical connection integrity within the heater's control and power circuit. Wacker Neuson genuine OEM parts are manufactured to the same specifications as the original components, so you can be confident in a correct, secure fit when servicing your HSH350 or HP252 unit.
Key Features
- Correct Contact Rating: — Engineered to the original electrical specification for this terminal position, ensuring stable current transfer without resistance loss or heat buildup at the connection point.
- Direct Drop-In Replacement: — Matches the original terminal's mounting configuration and connector profile, allowing straightforward installation without modification to the wiring harness.
- Confirmed Fitment: — Compatible with HSH350 and HP252 hydronic surface heaters, including 50 Hz variants of the HSH350.
- Electrical Integrity Restored: — A failed or corroded terminal can interrupt heater operation entirely; replacing with the correct OEM part restores full circuit continuity and consistent heater output.
- Fuel System and Heating Circuit Safety: — Proper terminal condition is essential in hydronic heater applications where electrical faults at connection points can affect burner control and safe operation.
A terminal in a hydronic surface heater serves as the fixed electrical connection point that carries power or signal between wiring conductors and internal components such as the burner control board, pump motor, or fuel system. When a terminal corrodes, loosens, or fails, it can cause intermittent operation, complete heater shutdown, or unreliable temperature control — making timely replacement critical to keeping the heating system functioning safely and efficiently. Using the correct OEM terminal ensures the connection meets the original design standard for current capacity and mechanical retention.
Part Details
| Part Number | 5000172198 |
|---|---|
| Old Part Number | 0172198 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Terminal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydronic Surface Heater | HSH350 | 5000620254, 5200001677 |
| HP252 | HP252 | 5000620249 |
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.