The Wacker Neuson Duct Inlet Air Adapter is a genuine OEM component designed for the HI770XHD Extra Heavy Duty Air Heater. Sourced directly from Wacker Neuson, this part meets the exact design and material specifications of the original — so you can be confident it fits and functions as intended the first time. If you're servicing an HI770XHD unit, cross-reference part number to confirm this is the correct adapter for your machine.
Key Features
- OEM Airflow Channel Integrity — Manufactured to Wacker Neuson's original duct geometry specifications, ensuring the inlet air path maintains the correct flow characteristics for efficient heater operation.
- Direct-Fit Replacement — Engineered to connect directly to the existing duct assembly on the HI770XHD, matching the original mounting points and sealing surfaces without adaptation.
- Confirmed Fitment for HI770XHD — Verified for the HI770XHD Extra Heavy Duty Air Heater, so you can order with confidence for that specific unit.
- Protects Combustion Performance — A properly seated inlet air adapter channels clean, unrestricted air into the heater system; a cracked or poorly fitting adapter can starve combustion and reduce heat output.
- Combustion Air Safety — Maintaining a correctly sealed inlet duct is essential on direct-fired and indirect air heaters to prevent uncontrolled air ingestion and ensure safe, consistent burner operation.
The duct inlet air adapter serves as the entry point for combustion or process air entering the heater's airflow system. It channels outside air into the unit in a controlled, directed manner — allowing the heater to regulate combustion efficiently and deliver consistent heat output. When this adapter is cracked, misaligned, or missing, uncontrolled air infiltration can disrupt burner performance, reduce heating capacity, and in some cases trigger safety shutdowns on the unit.
Part Details
| Part Number | 5100048525 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Duct Inlet Air Adapter |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Extra Heavy Duty Air Heater | HI770XHD | 5100049894 |
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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