The Wacker Neuson Fuse is a genuine OEM fuse designed for the E1250S and E1250P hydronic heaters and HSH380S hydronic surface heaters. As a factory-sourced component, it meets the exact electrical specifications required to protect the heater's control circuits across all covered configurations, including LP/NG, diesel, and generator-equipped variants. This fuse is a direct, no-hassle replacement that restores proper overcurrent protection and gets your heating equipment back to full operation.
Key Features
- Correct Rated Protection: — Manufactured to the exact current rating required by Wacker Neuson's heater control systems, ensuring the fuse responds accurately to overcurrent events without nuisance tripping.
- Genuine OEM Component: — Sourced directly from Wacker Neuson, this fuse matches the original part installed at the factory — same form, same terminal type, same rating.
- Broad Heater Fitment: — Compatible with E1250S (LP/NG), E1250P (Diesel and LP/NG), HSH380S (Natural Gas/Propane), and HSH380S-Diesel with generator configurations.
- Electrical System Integrity: — A failed or incorrectly rated fuse can leave control circuits unprotected or prevent the heater from powering on entirely; the correct fuse keeps the system operating as designed.
- Safety-Critical Fit: — In heating equipment, proper overcurrent protection is essential. Using the correct OEM-rated fuse prevents damage to control boards and wiring caused by fault conditions.
A fuse is a sacrificial overcurrent protection device installed in a machine's electrical circuit. When current exceeds a safe threshold — due to a short circuit, component fault, or voltage spike — the fuse element melts and breaks the circuit, preventing damage to control boards, wiring harnesses, and other downstream components. In hydronic heaters like the E1250S, E1250P, and HSH380S, the fuse protects the sensitive control and ignition electronics that regulate heat output and fuel delivery. A blown fuse will typically cause the heater to shut down or fail to start entirely, and installing a replacement with the wrong rating can leave the electrical system either unprotected or non-functional.
Part Details
| Part Number | 5200023431 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fuse |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E1250S | E1250S | 5200012355, 5200012354 |
| HSH380s | HSH 380S | 5100054643 |
| E 1250P Hydronic Heater, Premium, Diesel | E1250P | 5200012357, 5200012356 |
| HSH380S-Diesel, with Generator | HSH380S | 5200012371, 5200012370 |
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.