The Wacker Neuson Wire (Black, Fan Thermostat Hi 400) is a genuine OEM component designed for the HI 400HD G Indirect Air Heater. Sourced directly from Wacker Neuson, this wire is manufactured to the exact electrical specifications required for correct thermostat circuit operation in the HI 400HD G series. Choosing a genuine OEM part means you get the precise conductor gauge, insulation grade, and terminal configuration that the heater was engineered around — no guesswork on compatibility.
Key Features
- Correct Electrical Specification: — Matched to the fan thermostat circuit's conductor and insulation requirements, ensuring proper signal integrity and safe current handling within the HI 400HD G heater system.
- Genuine OEM Part: — Supplied by Wacker Neuson as an authorized replacement, identical in specification to the wire installed at the factory.
- Direct-Fit Installation: — Engineered to connect directly to the fan thermostat terminals on the HI 400HD G, replacing the original wire without modification to connectors or routing.
- Protects Thermostat and Fan Function: — A sound, correctly specified wire maintains reliable communication between the thermostat and fan circuit; a degraded or broken wire can cause the fan to run continuously, fail to activate, or trigger nuisance shutdowns.
- Confirmed Fitment — HI 400HD G: — Verified for the HI 400HD G Indirect Air Heater (part number 5100050032), so you can order with confidence.
- Electrical Safety Compliance: — As a wiring component in a combustion-based heating appliance, using the correct OEM wire ensures the thermostat circuit operates within its designed electrical parameters, supporting safe heater operation.
The fan thermostat wire carries the electrical signal that tells the heater's fan when to activate and deactivate based on temperature readings from the thermostat. In an indirect air heater like the HI 400HD G, this control is critical — the fan must respond accurately to thermostat commands to maintain safe combustion airflow and consistent heat output. When this wire degrades, corrodes, or breaks, the fan circuit loses its signal path, which can result in overheating, failure to ignite, or erratic fan behavior that disrupts the heater's performance on the job.
Part Details
| Part Number | 5100050032 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Wire (Black, Fan Thermostat Hi 400) |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 400HD G Indirect Air Heater | HI400HD G | 5000620701 |
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.
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