The Wacker Neuson Nipple Fitting is a genuine OEM component designed for the E5000 Ground Heater, HP252, and Pureheat Hydronic Heater series. As a direct-from-manufacturer part, it meets the exact specifications required for proper fluid or gas line connection within these hydronic and ground heating systems. This fitting is compatible across multiple E5000 configurations — including gas burner, diesel burner, and 12kW generator diesel variants — as well as the HP252 and both oil and gas burner Pureheat models. Keeping the correct OEM fitting in place ensures leak-free connections and uninterrupted heater performance on cold-weather jobsites.
Key Features
- Genuine OEM Thread and Dimensional Accuracy — Manufactured to Wacker Neuson's exact thread pitch and diameter spec, ensuring a secure, leak-free seal in hydronic and fuel line applications.
- Drop-In Line Connection — Designed to thread directly into existing ports on E5000, HP252, and Pureheat heater assemblies with no rework to surrounding hardware.
- Broad Heater Family Coverage — A single part number serves the E5000 gas and diesel ground heaters, E5000 12kW generator diesel variant, HP252, and Pureheat oil and gas burner hydronic heaters.
- Maintains Heating System Integrity — A failed or damaged nipple fitting can cause fluid or fuel leaks that compromise heater output and create unsafe operating conditions; this OEM replacement restores full system pressure retention.
- Fuel and Fluid System Safety — Correct fitting specification is critical in pressurized fuel and hydronic circuits; using the verified OEM part reduces the risk of connection failure under operating pressure and temperature.
A nipple fitting is a short threaded connector used to join two sections of pipe, hose, or hardware ports in a fluid or fuel circuit. In hydronic ground heaters and indirect heating systems like the E5000 and Pureheat series, these fittings carry heated fluid or fuel under pressure through the system. When a nipple fitting corrodes, cracks, or strips its threads, it can cause leaks that degrade heating performance or create a fuel or fluid hazard — making prompt replacement with the correct OEM part essential to safe operation.
Part Details
| Part Number | 5000168868 |
|---|---|
| Old Part Number | 0168868 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nipple Fitting |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E5000 GROUND HEATER, W/GAS BURNER | E5000 | 5000620898, 5000620897, 5000620899 |
| HP252 | HP252 | 5000620249 |
| Pureheat Hydronic Heater, Oil Burner | Pureheat | 5000620245, 5000620246 |
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.
