The Wacker Neuson Electrical Box is a genuine OEM component designed for the HI750, HI900, and HI1000 series indirect fired air heaters. As a direct OEM replacement, this electrical box meets the original design and electrical specifications set for these heaters, covering diesel, gas, and dual-fuel DGM configurations across trailer-mounted and skid-mounted variants. Whether you're running an HI750G, HI900D, or an HI1000DGM with electric or surge brake options, this is the verified replacement part for the job. Sourcing the correct electrical box is critical on these units — the wrong component can compromise ignition control, burner sequencing, and safety shutoff functions.
Key Features
- OEM-Matched Electrical Specifications — Built to the original circuit and terminal configuration, ensuring correct voltage handling and control logic for indirect fired heater operation.
- Direct Drop-In Replacement — Connects to existing wiring harnesses and mounting points on compatible Wacker Neuson heaters without modification to brackets or connectors.
- Broad Series Compatibility — Fits HI750, HI900, and HI1000 series indirect air heaters in diesel, gas, and DGM configurations, including trailer and skid-mounted units.
- Protects Burner Sequencing and Control — A functioning electrical box maintains proper ignition timing and burner shutoff cycles; a failed unit can cause no-start conditions or unsafe burner behavior.
- Electrical Safety Compliance — As the nerve center of the heater's control system, using a genuine OEM unit preserves the original safety shutoff and fault detection circuits built into these heaters.
- Genuine Wacker Neuson Part — Sourced directly from Wacker Neuson, part number 5000192603 carries the same quality assurance as the original production component.
The electrical box on an indirect fired air heater serves as the central control hub for the unit's ignition, burner operation, and safety shutoff systems. It manages the sequencing of fuel delivery, ignition spark, and airflow controls — coordinating these functions to bring the heater up to operating temperature safely and shut it down cleanly when required. When this component fails or becomes damaged, the heater may refuse to start, cycle erratically, or fail to shut off properly, creating both operational and safety concerns on the worksite.
Part Details
| Part Number | 5000192603 |
|---|---|
| Old Part Number | 0192603 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Electrical Box |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI750 DGM HEATER-INDIRECT | HI750GM | 5000620859, 5000620930 |
| Mobile Indirect Fired Air Heat er, Diesel | HI750D | 5000620856, 5000620923 |
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| HI750G HEATER-INDIRECT | HI750G | 5000620857 |
| Factory-Installed Options | Factory-Installed Options | 5200004152 |
| HI1000 Indirect Air Heater, Diesel w/Tank | HI1000 | 5200011232, 5200011233, 5100049274 |
| HI1000 Indirect Air Heater, DGM, Electric Break | HI1000DGM | 5200011234, 5200011235, 5100049275, 5100049276 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014222, 5200014165, 5200014166 |
| HI 900D Heater-Indirect | HI900D | 5200014158, 5200014159 |
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.
