The Wacker Neuson is a genuine OEM Plug Connector designed for the E1250 and HSH380 series hydronic surface heaters. Sourced directly from Wacker Neuson, this connector meets the exact electrical specifications required by the E1250S, E1250B, E1250P, HSH380S, and HSH380B platforms across LP/NG, diesel, and generator-equipped configurations. Using the correct OEM part ensures a secure, code-compliant connection within the heater's electrical circuit — critical in heating equipment operating in cold-weather job environments. Confirm your model number against the fitment list before ordering to ensure this is the right connector for your unit.
Key Features
- OEM-Rated Electrical Spec — Manufactured to the exact contact-grade and insulation rating required by Wacker Neuson's hydronic heater control circuitry, ensuring consistent signal and power transfer.
- Direct Plug-In Replacement — Mates to the factory harness connector points on E1250 and HSH380 series units with no splicing, pinning, or wiring modification.
- Broad Series Coverage — Fits E1250S, E1250B, and E1250P heaters in LP/NG and diesel variants, plus HSH380S and HSH380B units in both generator-equipped and standalone configurations.
- Fuel-Type Versatile — A single part number covers the LP/NG, natural gas, and diesel configurations across both heater families, simplifying parts stocking for fleet operators.
- Electrical Safety Compliance — A properly seated, undamaged connector prevents intermittent faults, nuisance shutdowns, and potential arc events in a combustion heating environment — making connector condition a genuine safety consideration.
A plug connector forms a secure, demountable electrical junction between wiring harness segments within the heater's control and power circuit. In hydronic surface heaters like the E1250 and HSH380 series, these connectors link components such as thermostats, pumps, igniters, and control boards — carrying both signal and supply current. When a connector degrades, corrodes, or loses its locking retention, the result is intermittent operation, error codes, or a complete loss of heat output; replacing a worn connector restores circuit integrity and returns the unit to full heating performance.
Part Details
| Part Number | 5200017750 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Plug Connector |
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.
