The Wacker Neuson Terminal Jumper 2-Pole is a genuine OEM electrical component designed for the E1250 and HSH380 series hydronic surface heaters. Sourced directly from Wacker Neuson, this part carries the same specifications as the original, ensuring correct electrical continuity across the terminal block. Compatible with E1250S, E1250B, and E1250P models in Standard, Basic, and Premium configurations — covering LP/NG and Diesel fuel variants — as well as HSH380S and HSH380B heaters with and without generator packages. When you need a verified, like-for-like replacement for your hydronic heating system, part number is the correct choice.
Key Features
- Correct Electrical Specification — Genuine OEM construction ensures proper conductivity and contact resistance across the 2-pole terminal connection, matching the original circuit design.
- Drop-In Terminal Block Replacement — Engineered to seat directly onto the existing terminal block arrangement without reworking wiring harnesses or terminal housings.
- Broad E1250 and HSH380 Coverage — Fits E1250S, E1250B, and E1250P hydronic heaters across LP/NG and Diesel fuel configurations, plus HSH380S and HSH380B models with and without generator packages.
- Protects Heating Circuit Integrity — A failed or corroded jumper can interrupt control signals or power routing within the heater, causing erratic operation or a complete loss of heat output; this replacement restores proper circuit function.
- Electrical Safety Compliance — Using the correct OEM-spec jumper in a hydronic heater electrical circuit is critical to maintaining safe, code-compliant operation and preventing unintended voltage paths.
A terminal jumper bridges two adjacent poles on a terminal block, completing an electrical circuit between them without the need for a separate wire run. In hydronic surface heaters like the E1250 and HSH380 series, terminal jumpers are used to link control or power circuits within the unit's electrical panel, ensuring the correct signals and voltages reach heating elements, pumps, and control boards. When a jumper becomes corroded, cracked, or loses contact tension, the circuit it bridges can open intermittently or entirely — leading to heating faults, failed startup sequences, or inoperative zones that are difficult to diagnose without inspecting the terminal block directly.
Part Details
| Part Number | 5200017791 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Terminal Jumper 2-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.
