The Wacker Neuson Control Box Complete is a genuine OEM component designed for the E1250S and E1250P Hydronic Surface Heater series. As a direct OEM replacement, this part is manufactured to the exact specifications of the original unit, ensuring full compatibility with all E1250S and E1250P configurations — including Standard LP/NG, Premium LP/NG, and Premium Diesel variants. Sourced directly from Wacker Neuson, the delivers the same electrical performance and system integration as the factory-installed assembly. If your hydronic heater has lost operational control or is showing faults tied to the control circuit, this complete box assembly is the correct service replacement.
Key Features
- Complete Electrical Control Assembly — Supplied as a fully assembled unit with all internal control components intact, ready for direct installation without sourcing individual sub-components.
- Correct Circuit Specifications — Built to OEM electrical tolerances, ensuring accurate signal output, relay timing, and system switching behavior specific to the E1250 Hydronic Surface Heater platform.
- Broad E1250 Series Fitment — Confirmed compatible with E1250S Standard (LP/NG) and E1250P Premium (LP/NG and Diesel) models, covering the full E1250 Hydronic Surface Heater lineup.
- Restores Full Heater Operability — A failed or damaged control box can disable burner ignition, temperature regulation, and safety shutoffs; replacing it with the correct OEM assembly brings the heater back to full working operation.
- Safety-Critical Replacement — The control box governs fuel system activation and safety lockout functions on fuel-fired heating equipment; using the correct OEM part maintains proper safety circuit behavior.
The control box on a hydronic surface heater serves as the central command hub for the entire heating system. It manages burner ignition sequencing, monitors temperature inputs, and activates safety shutoffs when operating conditions fall outside acceptable limits. When the control box fails, the heater may refuse to start, cycle erratically, or lose the ability to shut down safely — making prompt replacement with the correct OEM assembly essential for both operational reliability and safe use on the jobsite.
Part Details
| Part Number | 5100015697 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Control Box Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E1250S | E1250S | 5200012355, 5200012354 |
| E 1250P Hydronic Heater, Premium, Diesel | E1250P | 5200012357, 5200012356 |
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.
