The Wacker Neuson Fan is a genuine OEM component designed for the HI 120 and HI 120HD indirect-fired air heaters. Sourced directly from Wacker Neuson, this fan matches the original part specification to ensure proper airflow performance within the heater assembly. It is a direct-fit replacement for both the standard HI 120 and the heavy-duty HI 120HD configurations.
Key Features
- Genuine OEM Airflow Calibration — Engineered to the exact blade pitch and rotation spec of the original, ensuring the heater delivers its rated heat output without starved or excess airflow.
- Direct-Fit Installation — Matches the original mounting interface on the HI 120 and HI 120HD, dropping in without modification to shaft, housing, or fastener pattern.
- Broad HI 120 Series Coverage — Compatible with both the HI 120 and HI 120HD indirect-fired air heater models, covering standard and heavy-duty variants in the same product family.
- Combustion and Heat Transfer Integrity — A correctly functioning fan maintains the airflow balance required for clean combustion and efficient heat exchange; a worn or damaged fan can cause overheating, incomplete combustion, or heater shutdown.
- Fuel System Safety Relevance — In indirect-fired heaters, the fan manages airflow around the heat exchanger. Replacing a failed fan with an OEM-spec part preserves correct burner operation and reduces the risk of unsafe exhaust conditions.
The fan in an indirect-fired air heater draws air across the heat exchanger and pushes conditioned, heated air into the workspace — keeping combustion gases fully contained within the sealed exchanger rather than mixing with the output airstream. This makes the fan a critical component for both heating efficiency and safe indoor or enclosed-space operation. When the fan wears out or fails, the heater loses output capacity, may trigger thermal shutdowns, or — in more serious cases — compromise the separation between exhaust gases and delivered heat.
Part Details
| Part Number | 5200024735 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fan |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 120 | HI120 | 5200019342 |
| HI 120HD | HI120HD | 5200019343 |
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.
