The Wacker Neuson Heat Exchanger Coil is a genuine OEM component designed for the HX100 Heat Exchanger, Pureheat Hydronic Heater (Oil Burner and Gas Burner variants), Hydronic Air Heater Diesel, and HX30 Heat Exchanger. As a direct factory-sourced part, the meets Wacker Neuson's original design specifications, ensuring consistent thermal transfer performance across the supported heater and heat exchanger series. This coil is a core internal component — when it degrades or fails, the unit's ability to deliver reliable, controlled heat output is directly compromised. Keeping this part in serviceable condition is essential for any hydronic heating application where consistent output and safe operation are required.
Key Features
- Genuine OEM Thermal Specification: — Factory-sourced coil maintains the original heat transfer surface area and flow characteristics engineered for Wacker Neuson hydronic heating systems — not an approximation.
- Direct-Fit Installation: — Engineered to the original mounting geometry and connection points, the 5000168639 drops into place without rework or adaptation to fittings or housing.
- Broad Hydronic Heater Compatibility: — Confirmed fitment across HX100 and HX30 Heat Exchangers and Pureheat Hydronic Heaters in oil burner, gas burner, and diesel configurations.
- Sustained Heat Output: — A fully functioning coil ensures the unit delivers its rated thermal output; a corroded or blocked coil reduces heating efficiency and forces the burner to work harder, accelerating wear on surrounding components.
- Fuel-System Safety Relevance: — In hydronic heater applications, a compromised heat exchanger coil can allow combustion byproducts or fuel contact with the heat-transfer circuit — replacing with a genuine OEM part preserves the integrity of the sealed system.
The heat exchanger coil is the central element of a hydronic heating unit — it carries heated fluid through a looped or coiled tube assembly, transferring thermal energy to the surrounding air or surface being warmed. In Wacker Neuson hydronic heaters, this coil sits within the burner assembly housing and must withstand repeated thermal cycling, internal fluid pressure, and exposure to combustion heat. Over time, corrosion, scale buildup, or mechanical stress can cause the coil to crack or restrict flow, leading to reduced heat output, uneven temperature distribution, or in more severe cases, fluid leaks within the unit. Replacing a worn coil with the correct OEM part restores the system to full rated performance and protects the integrity of the surrounding components.
Part Details
| Part Number | 5000168639 |
|---|---|
| Old Part Number | 0168639 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Heat Exchanger Coil |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HX100 Heat Exchanger | HX100 | 5000620432 |
| Pureheat Hydronic Heater, Oil Burner | Pureheat | 5000620245, 5000620246, 5000620190 |
| HX30 Heat Exhanger, 230 V | HX30 | 5000620913 |
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.
