The Wacker Neuson Terminal Jumper 3-Pole is a genuine OEM electrical component designed for the E1250 and HSH380 series hydronic surface heaters. As a direct OEM part, the is manufactured to the exact specification required for proper electrical continuity across the terminal block in these heater systems. This part is confirmed to fit the E1250S, E1250B, and E1250P models across Standard, Basic, and Premium configurations, as well as HSH380S and HSH380B units in both fuel and generator variants. Ordering by part number ensures you receive the correct jumper for your specific machine.
Key Features
- Correct Pole Configuration: — 3-pole design matches the terminal block layout in E1250 and HSH380 hydronic heater control circuits, ensuring proper bridging without adaptation.
- Genuine OEM Component: — Sourced directly from Wacker Neuson, this jumper meets the exact electrical specification for safe and correct operation in the heater's wiring system.
- Broad Series Fitment: — Confirmed fit across E1250S, E1250B, and E1250P models (LP/NG, Diesel, Standard, Basic, and Premium) as well as HSH380S and HSH380B variants with and without generators.
- Maintains Circuit Integrity: — A correctly installed terminal jumper ensures consistent voltage distribution across the terminal block; a missing or damaged jumper can cause intermittent faults or prevent the heater from operating entirely.
- Electrical Safety Compliance: — Using the correct OEM jumper in a fuel-fired hydronic heater control circuit is essential — an incorrect or improvised substitute risks miswiring or control board damage in a combustion-based system.
A terminal jumper bridges two or more adjacent poles on a terminal block, creating a shared electrical connection without the need for individual wires between each point. In a hydronic surface heater like the E1250 or HSH380 series, the terminal block manages power distribution to key control components, and the jumper ensures those circuits remain properly linked during operation. If the jumper is missing, corroded, or damaged, the affected circuit may lose continuity, causing the heater to fault out, fail to ignite, or shut down unexpectedly.
Part Details
| Part Number | 5200017790 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Terminal Jumper 3-Pole |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E1250S | E1250S | 5200012355, 5200012354 |
| E12540B | E1250B | 5200012353, 5200007613 |
| HSH380s | HSH 380S | 5100054643 |
| E 1250P Hydronic Heater, Premium, Diesel | E1250P | 5200012357, 5200012356 |
| HSH380S-Diesel, with Generator | HSH380S | 5200012371, 5200012370 |
| HSH380B-Diesel, without generator | HSH380B | 5200012359, 5200007614 |
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.