The Wacker Neuson Fuel Sensor E1250 is a genuine OEM component designed for E1250S, HSH380S, and E1250P series hydronic heaters. As a direct OEM part, the is built to the exact electrical and mechanical specifications Wacker Neuson requires for proper fuel monitoring in these units — no guesswork on compatibility. This sensor is confirmed to fit across the E1250S, HSH380S-Diesel, HSH380S Natural Gas/Propane, and E1250P Premium Diesel hydronic heater configurations, covering both standard and generator-equipped variants.
Key Features
- OEM-Calibrated Signal Output — Engineered to deliver the precise electrical signal your heater's control system expects, ensuring accurate fuel level readings without drift or false readings.
- Drop-In Replacement Fit — Matches the original mounting configuration and connector type, allowing direct installation into the existing fuel system port without adaptation.
- Broad Hydronic Heater Coverage — A single part number fits E1250S, E1250P, and HSH380S series units across LP, natural gas, propane, and diesel fuel configurations.
- Protects Against Fuel Starvation — A functioning fuel sensor keeps the heater's control system informed of fuel availability, preventing unintended shutdowns or dry-run conditions during operation.
- Fuel System Safety Compliance — As a fuel-system sensing component, using the correct OEM-specified part is critical to maintaining safe heater operation and preventing misread shutoff conditions in the field.
- Genuine Wacker Neuson OEM Part — Sourced directly through Wacker Neuson's parts supply chain, so you're getting the same component installed at the factory — not an approximation.
The fuel sensor monitors the fuel level or fuel presence within the hydronic heater's fuel system and relays that information to the unit's control board. This allows the machine to manage burner operation safely and efficiently, triggering shutoffs or alerts when fuel supply is low or interrupted. When the sensor fails or sends inaccurate data, the heater may shut down unexpectedly, fail to ignite, or — in a worst case — continue operating without proper fuel monitoring, creating an unsafe condition on the jobsite.
Part Details
| Part Number | 5200011407 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fuel Sensor E1250 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E1250S | E1250S | 5200012355, 5200012354 |
| HSH380s | HSH 380S | 5100054643 |
| HSH380S-Diesel, with Generator | HSH380S | 5200012371, 5200012370 |
| E 1250P Hydronic Heater, Premium, Diesel | E1250P | 5200012357 |
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.
