The Wacker Neuson 5100048605 Fuse is a genuine OEM component designed for the E1250S, E1250P, and HSH380S hydronic surface heaters. As a direct factory replacement, this fuse is built to the exact electrical specification required to protect the heater's control circuit across LP/NG, Natural Gas, and Diesel-fueled configurations. Sourced directly from Wacker Neuson, part number 5100048605 ensures you are installing the correct rated fuse — not a generic substitute that may not trip at the right threshold. Confirmed fitment covers both standard and premium variants of the E1250 series as well as HSH380S units with and without the integrated generator option.
Key Features
- Correct Current Rating for the Application — Manufactured to the exact amperage and voltage specification required by the E1250 and HSH380S control circuits, so the fuse protects as intended without nuisance tripping or under-protection.
- Genuine OEM Part — Supplied by Wacker Neuson as a factory original component, ensuring full traceability and compatibility with the heater's electrical architecture.
- Drop-In Replacement — Installs directly into the existing fuse holder with no modifications to wiring or the fuse block assembly.
- Broad HSH and E1250 Series Coverage — A single part number covers E1250S (Standard LP/NG), E1250P (Premium LP/NG and Diesel), HSH380S (Natural Gas/Propane with Generator), and HSH380S (Diesel with Generator) configurations.
- Electrical Circuit Protection — A correctly rated fuse is the first line of defense for control board components; installing an incorrect fuse can allow damaging current surges or prevent the heater from powering on at all.
A fuse in a hydronic surface heater safeguards the low-voltage control circuit that governs the burner, pump, and safety shutdown systems. When current exceeds the rated threshold — due to a wiring fault, failed component, or surge — the fuse interrupts the circuit before damage can reach more expensive control electronics. A blown fuse will cause the heater to fail to start or shut down unexpectedly; installing the wrong amperage rating risks either repeated nuisance trips or, worse, unprotected circuit operation that can lead to component failure.
Part Details
| Part Number | 5100048605 |
|---|---|
| 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.
