The Wacker Neuson is a genuine OEM Plug Connector designed for the E1250S, E1250P, and HSH380S series hydronic surface heaters. As a factory-sourced component, this connector is manufactured to the exact specifications required for proper electrical integration within Wacker Neuson's hydronic heating systems. It is compatible across multiple configurations including standard, premium, basic, diesel, LP, and natural gas variants of the E1250 and HSH380 families. Keeping this connection point in good working order ensures consistent electrical signal transfer throughout the heater's control and operating circuits.
Key Features
- Genuine OEM Electrical Integrity — Sourced directly from Wacker Neuson, this plug connector meets the exact contact rating and connector housing tolerances specified for hydronic heater wiring circuits.
- Drop-In Replacement — Mates directly to the existing wiring harness connector points on compatible E1250 and HSH380 series units, using the same locking tab and pin configuration as the original.
- Broad Hydronic Heater Compatibility — Fits E1250S, E1250B, and E1250P models across diesel, LP, and natural gas fuel configurations, as well as HSH380S and HSH380B units with and without generators.
- Supports Consistent Heater Operation — A damaged or corroded plug connector can interrupt control signals and cause erratic or failed heater operation; this replacement restores proper circuit continuity.
- Electrical Safety Compliance — Using the correct OEM connector ensures the connection point maintains its rated insulation and contact properties, reducing the risk of arcing or intermittent faults in the heater's electrical system.
A plug connector serves as the physical and electrical interface between two segments of a wiring harness or between a harness and a control component. In hydronic surface heaters like the E1250 and HSH380 series, these connectors carry control and power signals to burner assemblies, circulation pumps, and thermostat circuits. When a plug connector becomes cracked, corroded, or loses its locking retention, the resulting intermittent connection can trigger fault codes, cause the heater to shut down unexpectedly, or prevent startup entirely.
Part Details
| Part Number | 5200017737 |
|---|---|
| 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.
