The Wacker Neuson Nipple Fitting is a genuine OEM component designed for the E3000 and E5000 Ground Heater series, the HP252, and the CH5000 Cross Heater family. As a factory-sourced part, it delivers the exact dimensions and thread specification needed to maintain leak-free fluid connections within the hydronic heating circuit. This fitting is confirmed compatible across a wide range of E3000 and E5000 configurations, including generator-equipped, lift bail, and temperature-controlled variants, as well as CH5000 oil-burner models.
Key Features
- Genuine OEM Thread Integrity — Manufactured to Wacker Neuson's exact thread form and sealing specification, ensuring a pressure-tight connection in the hydronic circuit without the risk of cross-threading or weeping joints.
- Direct Drop-In Replacement — Matches the original port size and thread pitch, so it installs directly into the existing fitting port with no modification to lines or manifolds.
- Broad Fitment Across Heater Families — Compatible with E3000 Ground Heater and Hydronic Surface Heater variants, E5000 Ground Heater models (gas and diesel burner), HP252, and CH5000 Cross Heater configurations.
- Fluid Circuit Performance — A sound fitting keeps coolant or heat-transfer fluid flowing at the correct pressure; a cracked or leaking nipple fitting can starve the circuit, reducing heat output and risking system shutdown on the job.
- Fuel and Fluid System Safety — Fittings in hydronic heating systems carry pressurized hot fluid; using a correctly rated OEM fitting helps prevent leaks that could create burn hazards or fire risk near ignition sources.
A nipple fitting serves as a short, threaded connector that links two sections of pipe, hose, or manifold within a fluid circuit. In Wacker Neuson hydronic surface heaters and ground heaters, this type of fitting is a critical junction point in the heat-transfer loop, allowing hot fluid to move efficiently between the burner, pump, and distribution lines. When a nipple fitting corrodes, cracks, or develops thread damage, the resulting leak compromises system pressure and heat delivery — making prompt replacement essential to keeping the heating circuit operating safely and at full capacity.
Part Details
| Part Number | 5000168869 |
|---|---|
| Old Part Number | 0168869 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nipple Fitting |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E3000 Hydronic Surface Heater with generator | E3000 | 5000620219, 5000620679, 5000620158, 5000620678, 5200014677, 5200004952, 5100017807, 5100017809, 5200014678, 5200014679, 5200014720, 5100017806, 5100017808, 5200014721, 5100017810, 5100017811 |
| E5000 GROUND HEATER, W/GAS BURNER | E5000 | 5000620898, 5000620897, 5000620899 |
| HP252 | HP252 | 5000620249 |
| Cross Heater with oil burner | CH5000 | 5000620240, 5000620242 |
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.
