The Wacker Neuson is a genuine OEM Receptacle Connector designed for the E1250 and HSH380 series hydronic surface heaters. Sourced directly from Wacker Neuson, this connector meets the original electrical specifications required for safe, consistent operation across Standard, Premium, and Basic heater configurations. Confirmed fitment covers the E1250S, E1250B, and E1250P models in LP/NG and Diesel variants, as well as the HSH380S and HSH380B in both generator-equipped and non-generator configurations. When it comes to electrical connections in heating equipment, installing the correct OEM component is the straightforward choice for long-term reliability.
Key Features
- OEM-Spec Electrical Interface — Manufactured to Wacker Neuson's original connector specifications, ensuring correct pin configuration, voltage rating, and mating compatibility within the heater's electrical circuit.
- Drop-In Replacement — Engineered to install into the same connector position as the original, with matching housing geometry and terminal arrangement for a direct swap.
- Broad E1250 and HSH380 Coverage — Fits E1250S, E1250B, and E1250P hydronic heaters across LP/NG and Diesel fuel variants, plus HSH380S and HSH380B models in generator and non-generator configurations.
- Maintains Circuit Integrity — A properly seated connector sustains the low-resistance electrical path the heater's control system depends on; a corroded or damaged connector can trigger control faults, intermittent operation, or complete heater shutdown.
- Electrical Safety Compliance — Using the correct OEM connector preserves the original insulation rating and contact design, which is especially critical in hydronic heating systems where electrical components operate in demanding temperature and moisture environments.
The receptacle connector provides the physical and electrical interface between wiring harness segments or between a harness and a key control or power component within the hydronic heater. It locks mating terminals together, maintains a continuous low-resistance electrical path, and protects the contact points from moisture and vibration. When a connector degrades — through corrosion, cracked housing, or worn retention clips — the resulting intermittent connection can cause erratic burner behavior, control board faults, or a complete loss of heater function, making prompt replacement essential to keep the heating system running as intended.
Part Details
| Part Number | 5200017738 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Receptacle 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.