The Wacker Neuson Fuse is a genuine OEM fuse designed for the Pureheat Hydronic Heater series, including Oil Burner, Gas Burner, and Diesel Hydronic Air Heater models. As a direct OEM replacement, this fuse is sourced to the exact specification Wacker Neuson uses in production, ensuring a correct fit within the electrical protection circuit of your heating unit. It is compatible with Pureheat Hydronic Heaters across the Oil Burner, Gas Burner, and Diesel configurations. When your existing fuse has blown or is showing signs of degradation, replacing it with the correct OEM part keeps the heater's electrical system properly protected and the unit operating as intended.
Key Features
- OEM-Specified Circuit Protection — Rated and sourced to the exact electrical specification Wacker Neuson requires for the Pureheat Hydronic Heater series, ensuring the fuse interrupts current at the correct threshold — not too early, not too late.
- Drop-In Electrical Fit — Matches the original fuse holder configuration in the Pureheat heater's control circuit, allowing straightforward installation without modification to wiring or housing.
- Broad Pureheat Series Coverage — Compatible with the Pureheat Hydronic Heater in Oil Burner, Gas Burner, and Diesel variants, consolidating one part number across multiple heater configurations.
- Keeps the Burner Control Circuit Intact — A correctly rated fuse allows the heater's ignition and burner control electronics to function without interruption; an incorrectly rated or failed fuse can prevent the unit from firing or, in a worst case, leave the circuit unprotected.
- Electrical Safety Compliance — Using the genuine OEM-specified fuse maintains the designed overcurrent protection for the heater's control system, an important consideration on any fuel-burning heating appliance.
The fuse in a hydronic heater serves as the first line of defense for the unit's electrical control circuit, protecting sensitive components such as the burner controller, igniter, and pump circuitry from damaging current spikes or short circuits. When the fuse is intact and correctly rated, the heater starts, runs, and shuts down under normal electrical conditions without interruption. If the fuse blows — or is replaced with one of the wrong rating — the heater may fail to power on entirely, or the control board and related components may be left exposed to electrical faults that cause more extensive and costly damage.
Part Details
| Part Number | 5000166692 |
|---|---|
| Old Part Number | 0166692 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fuse |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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.
